{"id":3626,"date":"2026-03-10T07:16:28","date_gmt":"2026-03-10T07:16:28","guid":{"rendered":"https:\/\/huilicoating.com\/?p=3626"},"modified":"2026-04-09T08:25:51","modified_gmt":"2026-04-09T08:25:51","slug":"iso-12944-c4-corrosion-protection","status":"publish","type":"post","link":"https:\/\/huilicoating.com\/ar\/iso-12944-c4-corrosion-protection\/","title":{"rendered":"ISO 12944 \u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u062a\u0622\u0643\u0644 C4: \u0627\u0644\u0628\u064a\u0626\u0629\u060c \u0646\u0638\u0627\u0645 \u0627\u0644\u0637\u0644\u0627\u0621\u060c \u0648\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0629"},"content":{"rendered":"<p>C4 \u0641\u0626\u0629 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062a\u0622\u0643\u0644 \u0627\u0644\u062c\u0648\u064a \u0628\u0645\u0648\u062c\u0628 ISO 12944\u060c \u0648\u0627\u0644\u0643\u062b\u064a\u0631 \u0645\u0646 \u0627\u0644\u0647\u064a\u0627\u0643\u0644 \u0627\u0644\u062d\u062f\u064a\u062f\u064a\u0629 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0623\u0648 \u0627\u0644\u0633\u0627\u062d\u0644\u064a\u0629 \u062a\u0642\u0639 \u0636\u0645\u0646 \u0647\u0630\u0627 \u0627\u0644\u0646\u0637\u0627\u0642 \u0639\u0646\u062f\u0645\u0627 \u064a\u0632\u064a\u062f \u0627\u0644\u0631\u0637\u0648\u0628\u0629 \u0623\u0648 \u0627\u0644\u062a\u0644\u0648\u062b \u0623\u0648 \u0645\u0644\u0648\u062d\u0629 \u0645\u0639\u062a\u062f\u0644\u0629 \u0645\u0646 \u0625\u062c\u0647\u0627\u062f \u0627\u0644\u062a\u0622\u0643\u0644.<\/p>\n\n\n\n<p>\u0633\u0627\u062d\u0629 \u062a\u0635\u0646\u064a\u0639 \u0633\u0627\u062d\u0644\u064a\u0629 \u0645\u0639 \u062a\u0637\u0628\u064a\u0642\u064a\u0646 \u064a\u0642\u0648\u0645\u0648\u0646 \u0628\u0631\u0634 \u0637\u0628\u0642\u0629 \u062d\u0645\u0627\u064a\u0629 \u0639\u0644\u0649 \u0627\u0644\u0625\u0637\u0627\u0631\u0627\u062a \u0627\u0644\u0641\u0648\u0644\u0627\u0630\u064a\u0629 \u0627\u0644\u0647\u064a\u0643\u0644\u064a\u0629 \u0642\u0628\u0644 \u0627\u0644\u0634\u062d\u0646<br>iso-12944-c4-corrosion-protection-steel-yard.webp<br>\u0627\u0644\u0645\u0637\u0628\u0642\u0648\u0646 \u064a\u0642\u0648\u0645\u0648\u0646 \u0628\u0637\u0628\u0642\u0629 \u062d\u0645\u0627\u064a\u0629 \u0644\u0644\u0641\u0648\u0644\u0627\u0630 \u0627\u0644\u0647\u064a\u0643\u0644\u064a \u0641\u064a \u0633\u0627\u062d\u0629 \u062a\u0635\u0646\u064a\u0639 \u0633\u0627\u062d\u0644\u064a\u0629<\/p>\n\n\n\n<p>\u0647\u0630\u0647 \u0627\u0644\u0645\u0642\u0627\u0644\u0629 \u062a\u0631\u0643\u0632 \u0641\u0642\u0637 \u0639\u0644\u0649 C4\u060c \u0648\u0644\u064a\u0633 \u0625\u0637\u0627\u0631 C1-CX \u0627\u0644\u0643\u0627\u0645\u0644\u060c \u062d\u062a\u0649 \u062a\u062a\u0645\u0643\u0646 \u0641\u0631\u0642 \u0627\u0644\u0645\u0634\u0631\u0648\u0639 \u0645\u0646 \u0627\u062a\u062e\u0627\u0630 \u0642\u0631\u0627\u0631\u0627\u062a \u0623\u0641\u0636\u0644 \u0628\u0634\u0623\u0646 \u062d\u0643\u0645 \u0627\u0644\u0628\u064a\u0626\u0629\u060c \u0645\u0646\u0637\u0642 \u0646\u0638\u0627\u0645 \u0627\u0644\u0637\u0644\u0627\u0621\u060c \u0648\u0635\u064a\u0627\u063a\u0629 \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0629. \u0644\u0644\u0646\u0637\u0627\u0642 \u0627\u0644\u0623\u0648\u0633\u0639\u060c \u0631\u0627\u062c\u0639&nbsp;<a rel=\"noreferrer noopener\" target=\"_blank\" href=\"https:\/\/huilicoating.com\/ar\/iso-12944-c3-c4-c5-corrosion-categories\/\">\u0634\u0631\u062d ISO 12944 C3 C4 C5<\/a>.\u200b<a rel=\"noreferrer noopener\" target=\"_blank\" href=\"https:\/\/huilicoating.com\/ar\/iso-12944-c3-c4-c5-corrosion-categories\/\"><\/a>\u200b<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062a\u062d\u062f\u064a\u062f \u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u0645\u0634\u0631\u0648\u0639 \u0628\u0627\u0644\u0641\u0639\u0644 C4\u060c \u0648\u0644\u064a\u0633 \u0645\u062c\u0631\u062f \u201c\u0642\u0631\u064a\u0628 \u0645\u0646 \u0627\u0644\u0628\u062d\u0631\u201d<\/li>\n\n\n\n<li>\u062a\u062d\u062f\u064a\u062f \u0646\u0638\u0627\u0645 \u0637\u0644\u0627\u0621 \u0643\u0627\u0645\u0644\u060c \u0648\u0644\u064a\u0633 \u0645\u062c\u0631\u062f \u201c\u0637\u0644\u0627\u0621 C4\u201d \u063a\u0627\u0645\u0636\u201d<\/li>\n\n\n\n<li>\u062a\u0639\u0631\u064a\u0641 \u062a\u062c\u0647\u064a\u0632 \u0627\u0644\u0633\u0637\u062d\u060c \u0648\u0645\u0642\u062f\u0627\u0631 \u0627\u0644\u0637\u0644\u0627\u0621 \u0627\u0644\u0625\u062c\u0645\u0627\u0644\u064a \u0627\u0644\u0645\u0637\u0628\u0642 (DFT)\u060c \u0648\u0647\u062f\u0641 \u0627\u0644\u0645\u062a\u0627\u0646\u0629 \u0645\u0628\u0643\u0631\u0627\u064b.<\/li>\n\n\n\n<li>\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u062d\u0627\u0644\u0629 \u0637\u0628\u0642\u0629 \u0627\u0644\u0623\u0633\u0627\u0633 \u0641\u064a \u0627\u0644\u0648\u0631\u0634\u0629\u060c \u0627\u0644\u0623\u0645\u0644\u0627\u062d\u060c \u0648\u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u062a\u0643\u0627\u062b\u0641 \u0642\u0628\u0644 \u0627\u0644\u0637\u0644\u0627\u0621.<\/li>\n\n\n\n<li>\u0623\u0631\u0633\u0644 \u062a\u0641\u0627\u0635\u064a\u0644 \u0627\u0644\u062a\u0639\u0631\u0636 \u0648\u062d\u0627\u0644\u0629 \u0627\u0644\u0631\u0643\u064a\u0632\u0629 \u0645\u0639 RFQ.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"understand-what-a-c4-environment-means\">\u0641\u0647\u0645 \u0645\u0627 \u064a\u0639\u0646\u064a\u0647 \u0628\u064a\u0626\u0629 C4<\/h2>\n\n\n\n<p>\u064a\u0634\u064a\u0631 ISO 12944 C4 \u0625\u0644\u0649 \u0627\u0644\u062a\u0622\u0643\u0644 \u0627\u0644\u062c\u0648\u064a \u0627\u0644\u0639\u0627\u0644\u064a \u0644\u0644\u0641\u0648\u0644\u0627\u0630 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645 \u0641\u064a \u0627\u0644\u062e\u062f\u0645\u0629.<br>\u0628\u0634\u0643\u0644 \u0639\u0645\u0644\u064a\u060c \u064a\u063a\u0637\u064a C4 \u063a\u0627\u0644\u0628\u0627\u064b \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0627\u0644\u062e\u0627\u0631\u062c\u064a \u0641\u064a \u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0648\u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0633\u0627\u062d\u0644\u064a\u0629 \u0630\u0627\u062a \u0627\u0644\u0645\u0644\u0648\u062d\u0629 \u0627\u0644\u0645\u0639\u062a\u062f\u0644\u0629\u060c \u0648\u0643\u0630\u0644\u0643 \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0627\u0644\u062f\u0627\u062e\u0644\u064a \u0641\u064a \u0623\u0645\u0627\u0643\u0646 \u0645\u062b\u0644 \u0627\u0644\u0645\u0635\u0627\u0646\u0639 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629\u060c \u0648\u0645\u0633\u0627\u0628\u062d\u060c \u0648\u0623\u062d\u0648\u0627\u0636 \u0642\u0648\u0627\u0631\u0628\u060c \u0648\u062f\u0627\u062e\u0644\u064a\u0627\u062a \u0627\u0644\u0633\u0641\u0646 \u062d\u064a\u062b \u064a\u0632\u064a\u062f \u0627\u0644\u0631\u0637\u0648\u0628\u0629 \u0623\u0648 \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0639\u062f\u0648\u0627\u0646\u064a \u0645\u0646 \u0625\u062c\u0647\u0627\u062f \u0627\u0644\u062a\u0622\u0643\u0644.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"typical-c4-project-situations\">\u062d\u0627\u0644\u0627\u062a \u0645\u0634\u0627\u0631\u064a\u0639 C4 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u0629<\/h3>\n\n\n\n<p>\u062a\u0634\u0645\u0644 \u062d\u0627\u0644\u0627\u062a C4 \u0627\u0644\u062e\u0627\u0631\u062c\u064a\u0629 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u0629 \u0645\u062d\u0637\u0627\u062a \u0627\u0644\u0639\u0645\u0644\u064a\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u0627\u0646\u0628\u0639\u0627\u062b\u0627\u062a \u0627\u0644\u0631\u0637\u0628\u0629\u060c \u0641\u0648\u0644\u0627\u0630 \u0627\u0644\u062e\u062f\u0645\u0627\u062a \u0627\u0644\u0633\u0627\u062d\u0644\u064a\u0629\u060c \u0627\u0644\u0645\u062d\u0637\u0627\u062a\u060c \u0648\u0633\u0627\u062d\u0627\u062a \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0627\u0644\u0645\u0639\u0631\u0636\u0629 \u0644\u0647\u0648\u0627\u0621 \u0645\u062d\u0645\u0644 \u0628\u0627\u0644\u0645\u0644\u062d \u0648\u062f\u0648\u0631\u0627\u062a \u0631\u0637\u0628\u0629\/\u062c\u0627\u0641\u0629 \u0645\u0646\u062a\u0638\u0645\u0629.<br>\u062a\u0634\u0645\u0644 \u062d\u0627\u0644\u0627\u062a C4 \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u0629 \u0645\u0628\u0627\u0646\u064d \u0623\u0648 \u0645\u0646\u0627\u0637\u0642 \u0645\u063a\u0644\u0642\u0629 \u062d\u064a\u062b \u064a\u062c\u0639\u0644 \u0627\u0644\u062a\u0643\u0627\u062b\u0641\u060c \u0648\u0645\u0648\u0627\u062f \u0627\u0644\u062a\u0646\u0638\u064a\u0641 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629\u060c \u0623\u0648 \u0627\u0644\u0631\u0637\u0648\u0628\u0629 \u0627\u0644\u0645\u0633\u062a\u0645\u0631\u0629 \u0627\u0644\u0628\u064a\u0626\u0629 \u0623\u0643\u062b\u0631 \u0642\u0633\u0627\u0648\u0629 \u0645\u0646 \u0645\u0633\u062a\u0648\u062f\u0639 \u0642\u064a\u0627\u0633\u064a.<a rel=\"noreferrer noopener\" target=\"_blank\" href=\"https:\/\/huilicoating.com\/ar\/iso-12944-c3-c4-c5-corrosion-categories\/\"><\/a>\u200b<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"judge-whether-the-project-is-c3-or-c4\">\u0642\u0650\u0633 \u0647\u0644 \u0627\u0644\u0645\u0634\u0631\u0648\u0639 C3 \u0623\u0645 C4<\/h2>\n\n\n\n<p>\u0623\u0643\u0628\u0631 \u062e\u0637\u0623 \u0641\u064a \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0629 \u0647\u0648 \u0627\u0639\u062a\u0628\u0627\u0631 C3 \u0648C4 \u0645\u062c\u0631\u062f \u0645\u0633\u0623\u0644\u0629 \u201c\u0627\u0644\u0645\u0633\u0627\u0641\u0629 \u0645\u0646 \u0627\u0644\u0628\u062d\u0631\u201d. \u0639\u0627\u062f\u0629 \u0645\u0627 \u064a\u0643\u0648\u0646 \u0627\u0644\u062d\u0643\u0645 \u0639\u0644\u0649 C4 \u0623\u0641\u0636\u0644 \u0645\u0646 \u062e\u0644\u0627\u0644 \u0627\u0644\u0646\u0638\u0631 \u0625\u0644\u0649 \u0627\u0644\u062a\u0639\u0631\u0636 \u0627\u0644\u0645\u0634\u062a\u0631\u0643: \u0627\u0644\u0631\u0637\u0648\u0628\u0629\u060c \u0627\u0644\u0645\u0644\u0648\u062b\u0627\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629\u060c \u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u0645\u0644\u062d\u060c \u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u062a\u0643\u0627\u062b\u0641\u060c \u0648\u0645\u062f\u0649 \u062a\u0646\u0638\u064a\u0641 \u0623\u0648 \u0635\u064a\u0627\u0646\u0629 \u0627\u0644\u0647\u064a\u0643\u0644 \u0628\u0634\u0643\u0644 \u0645\u062a\u0643\u0631\u0631.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\u0646\u0642\u0637\u0629 \u0627\u0644\u0642\u0631\u0627\u0631<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u0623\u0643\u062b\u0631 \u0627\u062d\u062a\u0645\u0627\u0644\u0627\u064b C3<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u0623\u0643\u062b\u0631 \u0627\u062d\u062a\u0645\u0627\u0644\u0627\u064b C4<\/th><\/tr><\/thead><tbody><tr><td>\u0627\u0644\u063a\u0644\u0627\u0641 \u0627\u0644\u062c\u0648\u064a<\/td><td>\u062d\u0636\u0631\u064a \u0623\u0648 \u0635\u0646\u0627\u0639\u064a \u062e\u0641\u064a\u0641 \u0645\u0639 \u0625\u062c\u0647\u0627\u062f \u062a\u0622\u0643\u0644 \u0645\u062a\u0648\u0633\u0637&nbsp;<a rel=\"noreferrer noopener\" target=\"_blank\" href=\"https:\/\/huilicoating.com\/ar\/iso-12944-corrosion-protection-guide\/\"><\/a>\u200b<\/td><td>\u062c\u0648 \u0635\u0646\u0627\u0639\u064a \u0623\u0648 \u0633\u0627\u062d\u0644\u064a \u0628\u0645\u0633\u062a\u0648\u0649 \u062a\u0622\u0643\u0644 \u0623\u0639\u0644\u0649 \u0648\u0631\u0637\u0648\u0628\u0629 \u0645\u0644\u062d\u064a\u0629 \u0645\u062a\u0648\u0633\u0637\u0629&nbsp;<\/td><\/tr><tr><td>\u0646\u0645\u0637 \u0627\u0644\u0631\u0637\u0648\u0628\u0629<\/td><td>\u0631\u0637\u0648\u0628\u0629 \u0645\u062a\u0642\u0637\u0639\u0629<\/td><td>\u062a\u0643\u0627\u062b\u0641 \u0645\u062a\u0643\u0631\u0631\u060c \u062f\u0648\u0631\u0627\u062a \u0631\u0637\u0628-\u062c\u0627\u0641\u060c \u0623\u0648 \u0647\u0648\u0627\u0621 \u0631\u0637\u0628 \u062f\u0627\u0626\u0645\u064b\u0627<\/td><\/tr><tr><td>\u0645\u0644\u0648\u062b\u0627\u062a<\/td><td>\u062a\u0644\u0648\u062b \u0635\u0646\u0627\u0639\u064a \u0645\u062d\u062f\u0648\u062f<\/td><td>\u0627\u0646\u0628\u0639\u0627\u062b\u0627\u062a \u0635\u0646\u0627\u0639\u064a\u0629 \u0645\u0644\u062d\u0648\u0638\u0629\u060c \u0628\u062e\u0627\u0631 \u0639\u0645\u0644\u064a\u0627\u062a\u060c \u0623\u0648 \u0645\u0644\u0648\u062b\u0627\u062a \u062c\u0648\u064a\u0629 \u062a\u0622\u0643\u0644\u064a\u0629<\/td><\/tr><tr><td>\u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u0645\u0644\u062d<\/td><td>\u0645\u0644\u0648\u062d\u0629 \u0645\u0646\u062e\u0641\u0636\u0629<\/td><td>\u062a\u0623\u062b\u064a\u0631 \u0645\u0644\u062d\u064a \u0633\u0627\u062d\u0644\u064a \u0645\u062a\u0648\u0633\u0637&nbsp;<\/td><\/tr><tr><td>\u062a\u0639\u0631\u0636 \u062f\u0627\u062e\u0644\u064a<\/td><td>\u062e\u062f\u0645\u0629 \u062c\u0627\u0641\u0629 \u0623\u0648 \u0631\u0637\u0628\u0629 \u0642\u0644\u064a\u0644\u0627\u064b<\/td><td>\u0645\u0635\u0627\u0646\u0639 \u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629\u060c \u0645\u0628\u0627\u0646\u064d \u0645\u0633\u0627\u0628\u062d\u060c \u064a\u062e\u0648\u062a\u060c \u0623\u0648 \u062f\u0627\u062e\u0644\u064a\u0627\u062a \u0631\u0637\u0628\u0629 \u0639\u062f\u0648\u0627\u0646\u064a\u0629&nbsp;<a rel=\"noreferrer noopener\" target=\"_blank\" href=\"https:\/\/huilicoating.com\/ar\/iso-12944-c3-c4-c5-corrosion-categories\/\"><\/a>\u200b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"practical-judgment-rules\">\u0642\u0648\u0627\u0639\u062f \u062d\u0643\u0645 \u0639\u0645\u0644\u064a\u0629<\/h2>\n\n\n\n<p>\u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0642\u0631\u064a\u0628\u0627\u064b \u0645\u0646 \u0627\u0644\u0633\u0627\u062d\u0644 \u0648\u0644\u0643\u0646\u0647 \u0645\u062d\u0645\u064a \u0648\u0645\u064f\u0635\u0627\u0646 \u062c\u064a\u062f\u0627\u064b \u0648\u063a\u064a\u0631 \u0645\u0639\u0631\u0636 \u0644\u062a\u0643\u0627\u062b\u0641 \u0645\u0633\u062a\u0645\u0631 \u0623\u0648 \u062a\u0644\u0648\u062b \u0639\u0645\u0644\u064a\u0627\u062a\u060c \u0642\u062f \u064a\u0638\u0644 \u0627\u0644\u0645\u0634\u0631\u0648\u0639 \u0636\u0645\u0646 C3.<br>\u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0641\u064a \u0627\u0644\u062f\u0627\u062e\u0644 \u0648\u0644\u0643\u0646\u0647 \u0628\u062c\u0627\u0646\u0628 \u0645\u0646\u0627\u0637\u0642 \u0639\u0645\u0644\u064a\u0627\u062a \u0631\u0637\u0628\u0629\u060c \u0627\u0646\u0628\u0639\u0627\u062b\u0627\u062a \u0645\u0633\u0628\u0628\u0629 \u0644\u0644\u062a\u0622\u0643\u0644\u060c \u0623\u0648 \u0638\u0631\u0648\u0641 \u063a\u0633\u0644\/\u062a\u0646\u0638\u064a\u0641\u060c \u0641\u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0646\u062a\u0642\u0644 \u0627\u0644\u0645\u0634\u0631\u0648\u0639 \u0625\u0644\u0649 C4 \u062d\u062a\u0649 \u062f\u0648\u0646 \u062a\u0639\u0631\u0636 \u0628\u062d\u0631\u064a.<\/p>\n\n\n\n<p>\u0644\u0644\u0645\u0634\u062a\u0631\u064a\u0646 \u0641\u064a \u0627\u0644\u0634\u0631\u0642 \u0627\u0644\u0623\u0648\u0633\u0637\u060c \u0648\u062c\u0646\u0648\u0628 \u0634\u0631\u0642 \u0622\u0633\u064a\u0627\u060c \u0648\u0622\u0633\u064a\u0627 \u0627\u0644\u0648\u0633\u0637\u0649\u060c \u0627\u0644\u0623\u0643\u062b\u0631 \u0641\u0647\u0645 \u062e\u0627\u0637\u0626 \u0634\u0627\u0626\u0639 \u0647\u0648 \u062a\u062c\u0627\u0647\u0644 \u062f\u0648\u0631\u0627\u062a \u0627\u0644\u0631\u0637\u0648\u0628\u0629 \u0648\u062a\u0644\u0648\u062b \u0627\u0644\u0645\u0635\u0627\u0646\u0639 \u0645\u0639 \u0627\u0644\u062a\u0631\u0643\u064a\u0632 \u0641\u0642\u0637 \u0639\u0644\u0649 \u0627\u0644\u0645\u0648\u0642\u0639. \u0641\u064a \u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u062e\u0644\u064a\u062c \u0627\u0644\u0633\u0627\u062d\u0644\u064a\u0629\u060c \u064a\u0633\u0631\u0639 \u0627\u0644\u062a\u0631\u0633\u0628 \u0627\u0644\u0643\u0644\u0648\u0631\u064a \u0648\u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0645\u0646 \u0627\u0644\u062a\u062d\u0644\u0644\u061b \u0641\u064a \u062c\u0646\u0648\u0628 \u0634\u0631\u0642 \u0622\u0633\u064a\u0627\u060c \u063a\u0627\u0644\u0628\u0627\u064b \u0645\u0627 \u064a\u062f\u0641\u0639 \u0627\u0644\u062a\u0643\u0627\u062b\u0641 \u0648\u0627\u0644\u0631\u0637\u0648\u0628\u0629 \u0627\u0644\u0645\u0633\u062a\u0645\u0631\u0629 \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0627\u0644\u062f\u0627\u062e\u0644\u064a \u0623\u0648 \u0634\u0628\u0647 \u0627\u0644\u0645\u062d\u0645\u064a \u0646\u062d\u0648 \u0633\u0644\u0648\u0643 C4 \u0623\u0633\u0631\u0639 \u0645\u0645\u0627 \u064a\u062a\u0648\u0642\u0639\u0647 \u0627\u0644\u0641\u0631\u0642.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"specify-a-practical-c4-paint-system\">\u062d\u062f\u062f \u0646\u0638\u0627\u0645 \u0637\u0644\u0627\u0621 \u0639\u0645\u0644\u064a \u0645\u0646 C4<\/h2>\n\n\n\n<p>\u064a\u064f\u0633\u062a\u062e\u062f\u0645 ISO 12944 \u0644\u062a\u0648\u062c\u064a\u0647 \u0627\u062e\u062a\u064a\u0627\u0631 \u0646\u0638\u0627\u0645 \u0627\u0644\u0637\u0644\u0627\u0621 \u0648\u0641\u0642\u064b\u0627 \u0644\u062f\u0631\u062c\u0629 \u0627\u0644\u062a\u0622\u0643\u0644 \u0648\u0627\u0644\u0645\u062a\u0627\u0646\u0629\u060c \u0648\u064a\u0635\u0641 ISO 12944-5 \u062a\u062d\u062f\u064a\u062f\u064b\u0627 \u0623\u0646\u0648\u0627\u0639 \u0627\u0644\u0637\u0644\u0627\u0621 \u0648\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0637\u0644\u0627\u0621 \u0627\u0644\u062d\u0627\u0645\u064a\u0629 \u0644\u0644\u0647\u064a\u0627\u0643\u0644 \u0627\u0644\u0641\u0648\u0644\u0627\u0630\u064a\u0629.&nbsp;<a rel=\"noreferrer noopener nofollow\" target=\"_blank\" href=\"https:\/\/www.iso.org\/standard\/57319.html\">ISO 12944-5<\/a><br>\u0647\u0630\u0627 \u064a\u0639\u0646\u064a \u0623\u0646 \u0645\u0648\u0627\u0635\u0641\u0629 C4 \u0627\u0644\u0635\u062d\u064a\u062d\u0629 \u064a\u062c\u0628 \u0623\u0646 \u062a\u0635\u0641 \u0646\u0638\u0627\u0645\u064b\u0627 \u0643\u0627\u0645\u0644\u0627\u064b\u060c \u0644\u0627 \u0623\u0646 \u062a\u0642\u0648\u0644 \u0641\u0642\u0637 \u201c\u0637\u0644\u0627\u0621 C4\u201d \u0623\u0648 \u201c\u0637\u0644\u0627\u0621 \u0645\u0636\u0627\u062f \u0644\u0644\u0635\u062f\u0623\u201d.\u201d<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"what-a-practical-c4-system-usually-includes\">\u0645\u0627 \u0627\u0644\u0630\u064a \u064a\u062a\u0636\u0645\u0646\u0647 \u0639\u0627\u062f\u0629 \u0646\u0638\u0627\u0645 C4 \u0639\u0645\u0644\u064a<\/h3>\n\n\n\n<p>\u0639\u0627\u062f\u0629 \u0645\u0627 \u064a\u0634\u0645\u0644 \u0646\u0638\u0627\u0645 \u0637\u0644\u0627\u0621 C4 \u0639\u0645\u0644\u064a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0637\u0628\u0642\u0629 \u062a\u062d\u0636\u064a\u0646 \u0644\u0644\u0627\u0644\u062a\u0635\u0627\u0642 \u0628\u0627\u0644\u0635\u0644\u0628 \u0648\u0627\u0644\u0633\u064a\u0637\u0631\u0629 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629 \u0639\u0644\u0649 \u0627\u0644\u062a\u0622\u0643\u0644<\/li>\n\n\n\n<li>\u0637\u0628\u0642\u0629 \u0648\u0633\u064a\u0637\u0629 \u0623\u0648 \u0628\u0646\u0627\u0621 \u0644\u0644\u062d\u0627\u062c\u0632 \u0627\u0644\u0633\u0645\u064a\u0643<\/li>\n\n\n\n<li>\u0637\u0628\u0642\u0629 \u0639\u0644\u0648\u064a\u0629 \u062d\u064a\u062b \u062a\u0643\u0648\u0646 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0623\u0634\u0639\u0629 \u0641\u0648\u0642 \u0627\u0644\u0628\u0646\u0641\u0633\u062c\u064a\u0629\u060c \u0648\u0645\u062a\u0627\u0646\u0629 \u0627\u0644\u0637\u0642\u0633\u060c \u0623\u0648 \u0627\u0644\u0627\u062d\u062a\u0641\u0627\u0638 \u0628\u0627\u0644\u0644\u0648\u0646 \u0645\u0647\u0645\u0629<\/li>\n<\/ul>\n\n\n\n<p>\u0645\u0646\u0637\u0642 \u0634\u0627\u0626\u0639 \u0647\u0648 \u0637\u0628\u0642\u0629 \u062a\u062d\u0636\u064a\u0646 + \u0637\u0628\u0642\u0629 \u0648\u0633\u064a\u0637\u0629 \u0628\u0644\u0643 epoxy + \u0637\u0628\u0642\u0629 \u0639\u0644\u0648\u064a\u0629 \u0628\u0644\u0643 polyurethane\u060c \u062e\u0627\u0635\u0629 \u0644\u0644\u0623\u0639\u0645\u0627\u0644 \u0627\u0644\u062d\u062f\u064a\u062f\u064a\u0629 \u0627\u0644\u0645\u0643\u0634\u0648\u0641\u0629 \u062d\u064a\u062b \u0643\u0644 \u0645\u0646 \u0627\u0644\u0645\u062a\u0627\u0646\u0629 \u0627\u0644\u062c\u0648\u064a\u0629 \u0648\u0627\u062d\u062a\u0641\u0627\u0638 \u0627\u0644\u0645\u0638\u0647\u0631 \u0645\u0647\u0645\u0627\u0646. \u064a\u0648\u0636\u062d \u0644\u0646\u0627&nbsp;<a rel=\"noreferrer noopener\" target=\"_blank\" href=\"https:\/\/huilicoating.com\/ar\/steel-structure-coating-system-guide\/\">\u062f\u0644\u064a\u0644 \u0646\u0638\u0627\u0645 \u0637\u0644\u0627\u0621 \u0627\u0644\u0647\u064a\u0627\u0643\u0644 \u0627\u0644\u0641\u0648\u0644\u0627\u0630\u064a\u0629<\/a>&nbsp;\u0643\u064a\u0641 \u064a\u0639\u0645\u0644 \u0627\u0644\u062a\u062d\u0636\u064a\u0646\u060c \u0648\u0637\u0628\u0642\u0629 \u0627\u0644\u0648\u0633\u0637\u060c \u0648\u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0639\u0644\u0648\u064a\u0629 \u0645\u0639\u064b\u0627 \u0641\u064a \u0628\u0646\u0627\u0621 \u0635\u0646\u0627\u0639\u064a \u0643\u0627\u0645\u0644.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"why-system-wording-matters\">\u0644\u0645\u0627\u0630\u0627 \u064a\u0647\u0645 \u0635\u064a\u0627\u063a\u0629 \u0627\u0644\u0646\u0638\u0627\u0645<\/h3>\n\n\n\n<p>\u064a\u062c\u0628 \u0623\u0646 \u062a\u0639\u0631\u0641 \u0645\u0648\u0627\u0635\u0641\u0629 C4 \u0639\u062f\u062f \u0627\u0644\u0637\u0628\u0642\u0627\u062a\u060c \u0648\u0646\u0637\u0627\u0642 DFT \u0627\u0644\u0643\u0644\u064a \u0627\u0644\u0645\u0633\u062a\u0647\u062f\u0641\u060c \u0648\u0645\u0639\u064a\u0627\u0631 \u062a\u062c\u0647\u064a\u0632 \u0627\u0644\u0633\u0637\u062d\u060c \u0648\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0623\u062f\u0627\u0621 \u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0639\u0644\u0648\u064a\u0629 \u062d\u064a\u062b \u062a\u0643\u0648\u0646 \u0627\u0644\u0634\u0645\u0633 \u0623\u0648 \u0627\u062d\u062a\u0641\u0627\u0638 \u0627\u0644\u0644\u0648\u0646 \u0645\u0647\u0645\u0629.<br>\u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u0645\u0633\u062a\u0646\u062f \u064a\u0642\u0648\u0644 \u0641\u0642\u0637 \u201c\u0637\u0644\u0627\u0621 C4\u201d\u060c \u0641\u0642\u062f \u064a\u0642\u062f\u0645 \u0627\u0644\u0645\u0648\u0631\u062f\u0648\u0646 \u0623\u0646\u0638\u0645\u0629 \u0645\u062e\u062a\u0644\u0641\u0629 \u062c\u062f\u064b\u0627\u060c \u0645\u0645\u0627 \u064a\u062c\u0639\u0644 \u0627\u0644\u0645\u0642\u0627\u0631\u0646\u0629 \u0627\u0644\u0641\u0646\u064a\u0629 \u0636\u0639\u064a\u0641\u0629 \u0648\u062a\u0643\u0648\u0646 \u0627\u0644\u0645\u0648\u0627\u0641\u0642\u0629 \u0623\u0628\u0637\u0623.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"surface-preparation-for-c4-work\">\u062a\u062c\u0647\u064a\u0632 \u0627\u0644\u0633\u0637\u062d \u0644\u0623\u0639\u0645\u0627\u0644 C4<\/h3>\n\n\n\n<p>\u0639\u0627\u062f\u0629 \u0645\u0627 \u062a\u0639\u062a\u0645\u062f \u0623\u0646\u0638\u0645\u0629 C4 \u0630\u0627\u062a \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0639\u0627\u0644\u064a \u0639\u0644\u0649 \u0627\u0644\u062a\u0646\u0638\u064a\u0641 \u0628\u0627\u0644\u0646\u0641\u062e \u0627\u0644\u0643\u0627\u0634\u0637\u0629 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u062a\u0646\u0638\u064a\u0641 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a \u0627\u0644\u0645\u062d\u062f\u0648\u062f. \u062a\u0633\u062a\u062e\u062f\u0645 ISO 8501-1 \u0627\u0644\u062a\u0639\u064a\u064a\u0646 \u201cSa\u201d \u0644\u0644\u0623\u0633\u0637\u062d \u0627\u0644\u062a\u064a \u062a\u0645 \u062a\u0646\u0638\u064a\u0641\u0647\u0627 \u0628\u0627\u0644\u0646\u0641\u062e \u0648\u062a\u0637\u0644\u0628 \u0625\u0632\u0627\u0644\u0629 \u0623\u064a \u0632\u064a\u062a \u0648\u0634\u062d\u0645 \u0648\u0623\u062a\u0631\u0628\u0629 \u0638\u0627\u0647\u0631 \u0642\u0628\u0644 \u0627\u0644\u062a\u0646\u0638\u064a\u0641 \u0628\u0627\u0644\u0646\u0641\u062e\u060c \u064a\u062a\u0628\u0639\u0647 \u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u063a\u0628\u0627\u0631 \u0648\u0627\u0644\u062d\u0637\u0627\u0645 \u0627\u0644\u0641\u0636\u0641\u0627\u0636 \u0628\u0639\u062f \u0627\u0644\u0646\u0641\u062e.&nbsp;<a rel=\"noreferrer noopener nofollow\" target=\"_blank\" href=\"https:\/\/energy-steel.com\/wp-content\/uploads\/2024\/12\/ISO-8501-1.pdf\">ISO 8501-1 PDF<\/a><a rel=\"noreferrer noopener nofollow\" target=\"_blank\" href=\"https:\/\/energy-steel.com\/wp-content\/uploads\/2024\/12\/ISO-8501-1.pdf\"><\/a>\u200b<br>\u0641\u064a \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u0647\u064a\u0627\u0643\u0644 \u0627\u0644\u0641\u0648\u0644\u0627\u0630\u064a\u0629\u060c \u064a\u0639\u062f Sa 2\u00bd \u0646\u0642\u0637\u0629 \u0645\u0631\u062c\u0639\u064a\u0629 \u0634\u0627\u0626\u0639\u0629 \u0644\u0623\u0646 \u0627\u0644\u0646\u0638\u0627\u0641\u0629 \u0627\u0644\u0636\u0639\u064a\u0641\u0629 \u0648\u0627\u0644\u0645\u0644\u062d \u0648\u0628\u0642\u0627\u064a\u0627 \u0627\u0644\u0637\u0644\u0627\u0621 \u0627\u0644\u0642\u062f\u064a\u0645\u0629 \u0623\u0648 \u0627\u0644\u062a\u062d\u0643\u0645 \u063a\u064a\u0631 \u0627\u0644\u062c\u064a\u062f \u0641\u064a \u0627\u0644\u0628\u0631\u0648\u0641\u064a\u0644 \u0642\u062f \u064a\u0636\u0639\u0641 \u062d\u062a\u0649 \u0646\u0638\u0627\u0645 \u0627\u0644\u0637\u0644\u0627\u0621 C4 \u0627\u0644\u0645\u062d\u062f\u062f \u062c\u064a\u062f\u064b\u0627.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"what-buyers-should-check-before-approval\">\u0645\u0627 \u0627\u0644\u0630\u064a \u064a\u062c\u0628 \u0639\u0644\u0649 \u0627\u0644\u0645\u0634\u062a\u0631\u064a\u0646 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646\u0647 \u0642\u0628\u0644 \u0627\u0644\u0645\u0648\u0627\u0641\u0642\u0629<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0648\u0635\u0641 \u0627\u0644\u062a\u0639\u0631\u0636\u060c \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643 \u0627\u0644\u0631\u0637\u0648\u0628\u0629 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629\u060c \u0627\u0644\u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u0633\u0627\u062d\u0644\u064a\u060c \u0648\u0623\u064a \u062c\u0648 \u062f\u0627\u062e\u0644\u064a \u0639\u062f\u0648\u0627\u0646\u064a<\/li>\n\n\n\n<li>\u0647\u062f\u0641 \u0627\u0644\u0645\u062a\u0627\u0646\u0629\u060c \u0644\u0623\u0646 C4 \u0648\u062d\u062f\u0647\u0627 \u0644\u064a\u0633\u062a \u0643\u0627\u0641\u064a\u0629 \u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0646\u0638\u0627\u0645<\/li>\n\n\n\n<li>\u0645\u0639\u064a\u0627\u0631 \u062a\u062c\u0647\u064a\u0632 \u0627\u0644\u0633\u0637\u062d \u0648\u0645\u0646 \u0627\u0644\u0645\u0633\u0624\u0648\u0644 \u0639\u0646 \u0627\u0644\u0646\u0641\u062e<\/li>\n\n\n\n<li>\u0639\u062f\u062f \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0648\u0646\u0637\u0627\u0642 \u0627\u0644\u0647\u062f\u0641 \u0627\u0644\u0625\u062c\u0645\u0627\u0644\u064a \u0644\u0646\u0642\u0627\u0637 \u0627\u0644\u0642\u0648\u0629 \u0627\u0644\u0645\u0644\u0633\u0627\u0621<\/li>\n\n\n\n<li>\u0627\u0644\u062d\u0627\u062c\u0629 \u0644\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0639\u0644\u0648\u064a\u0629 \u0645\u0646 \u0623\u062c\u0644 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0623\u0634\u0639\u0629 \u0641\u0648\u0642 \u0627\u0644\u0628\u0646\u0641\u0633\u062c\u064a\u0629\u060c \u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0627\u0644\u0644\u0648\u0646\u060c \u0623\u0648 \u062b\u0628\u0627\u062a \u0627\u0644\u0644\u0645\u0639\u0627\u0646<\/li>\n\n\n\n<li>\u0641\u062d\u0635 \u062d\u0627\u0644\u0629 \u0627\u0644\u0628\u0631\u0627\u064a\u0645\u0631 \u0642\u0628\u0644 \u0627\u0644\u0634\u0631\u0627\u0621\u060c \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0645\u0645\u0647\u0631\u0627\u064b \u0645\u0633\u0628\u0642\u0627\u064b<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"prevent-the-common-c4-specification-mistakes\">\u0645\u0646\u0639 \u0627\u0644\u0623\u062e\u0637\u0627\u0621 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0641\u064a \u0645\u0648\u0627\u0635\u0641\u0627\u062a C4<\/h2>\n\n\n\n<p>\u0645\u0639\u0638\u0645 \u0641\u0634\u0644 C4 \u064a\u0628\u062f\u0623 \u0645\u0646 \u0645\u0646\u0637\u0642 \u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0636\u0639\u064a\u0641 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0648\u062c\u0648\u062f \u0637\u0644\u0627\u0621 \u0633\u064a\u0626 \u0641\u0642\u0637. \u062a\u0645\u064a\u0644 \u0627\u0644\u0641\u0631\u0642 \u0625\u0644\u0649 \u0645\u062d\u0627\u0648\u0644\u0629 \u062d\u0644 \u0628\u064a\u0626\u0629 \u0642\u0627\u0633\u064a\u0629 \u0628\u0633\u0645\u0643 \u0623\u0643\u062b\u0631\u060c \u0644\u0643\u0646 \u0627\u0644\u0633\u0645\u0627\u0643\u0629 \u0644\u0627 \u062a\u0633\u062a\u0637\u064a\u0639 \u062a\u0635\u062d\u064a\u062d \u0627\u0644\u0625\u0639\u062f\u0627\u062f \u0627\u0644\u0633\u064a\u0626 \u0623\u0648 \u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0646\u0638\u0627\u0645 \u0627\u0644\u062e\u0627\u0637\u0626 \u0623\u0648 \u0642\u0631\u0627\u0621\u0629 \u0627\u0644\u062a\u0639\u0631\u0636 \u0628\u0634\u0643\u0644 \u062e\u0627\u0637\u0626.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"frequent-mistakes-in-c4-coating-work\">\u0623\u062e\u0637\u0627\u0621 \u0645\u062a\u0643\u0631\u0631\u0629 \u0641\u064a \u0623\u0639\u0645\u0627\u0644 \u0637\u0644\u0627\u0621 C4<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0643\u062a\u0627\u0628\u0629 \u201c\u0637\u0644\u0627\u0621 C4\u201d \u062f\u0648\u0646 \u0648\u062c\u0648\u062f \u0647\u062f\u0641 \u0644\u0644\u0645\u062a\u0627\u0646\u0629<\/li>\n\n\n\n<li>\u062a\u0642\u0644\u064a\u0644 \u062a\u0642\u062f\u064a\u0631 \u0627\u0644\u0631\u0637\u0648\u0628\u0629 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0623\u0648 \u0627\u0644\u062a\u0643\u062b\u0641 \u0623\u0648 \u0627\u0644\u0645\u0644\u0648\u062b\u0627\u062a<\/li>\n\n\n\n<li>\u0627\u0644\u062a\u0631\u0643\u064a\u0632 \u0639\u0644\u0649 \u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0639\u0644\u0648\u064a\u0629 \u0641\u0642\u0637 \u0648\u0639\u062f\u0645 \u0627\u0644\u0628\u0646\u0627\u0621 \u0627\u0644\u0643\u0627\u0645\u0644 \u0644\u0644\u0646\u0638\u0627\u0645<\/li>\n\n\n\n<li>\u0645\u062d\u0627\u0648\u0644\u0629 \u0627\u0644\u062a\u0639\u0648\u064a\u0636 \u0639\u0646 \u0625\u0639\u062f\u0627\u062f \u0633\u0637\u062d \u0633\u064a\u0626 \u0628\u0632\u064a\u0627\u062f\u0629 \u0633\u0645\u0627\u0643\u0629 DFT<\/li>\n\n\n\n<li>\u062a\u062c\u0627\u0647\u0644 \u0627\u0644\u0623\u0645\u0644\u0627\u062d\u060c \u0623\u0648 \u0628\u0631\u0627\u064a\u0645\u0631 \u0627\u0644\u0648\u0631\u0634\u0629 \u0627\u0644\u062a\u0627\u0644\u0641\u060c \u0623\u0648 \u062d\u0627\u0644\u0629 \u0627\u0644\u062d\u0627\u0641\u0629 \u0642\u0628\u0644 \u0627\u0644\u0637\u0644\u0627\u0621<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"quality-and-inspection-checklist\">\u0642\u0627\u0626\u0645\u0629 \u062c\u0648\u062f\u0629 \u0648\u0641\u062d\u0635<\/h3>\n\n\n\n<p>\u0642\u0628\u0644 \u0627\u0644\u062a\u063a\u0637\u064a\u0629 \u0627\u0644\u0625\u0636\u0627\u0641\u064a\u0629 \u0623\u0648 \u0627\u0644\u0634\u062d\u0646\u060c \u062a\u062d\u0642\u0642 \u0645\u0646:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0646\u0638\u0627\u0641\u0629 \u0627\u0644\u0633\u0637\u062d \u0648\u0645\u0644\u0641 \u0627\u0644\u0639\u0635\u0641<\/li>\n\n\n\n<li>\u0627\u0644\u062a\u0648\u0627\u0641\u0642 \u0645\u0639 \u0628\u0631\u0627\u064a\u0645\u0631 \u0627\u0644\u0648\u0631\u0634\u0629 \u0627\u0644\u0642\u062f\u064a\u0645 \u0623\u0648 \u062e\u0637\u0629 \u0627\u0644\u0625\u0632\u0627\u0644\u0629<\/li>\n\n\n\n<li>\u0646\u0637\u0627\u0642 DFT \u0639\u0646\u062f \u0627\u0644\u0623\u0633\u0637\u062d \u0627\u0644\u0645\u0633\u0637\u062d\u0629 \u0648\u0627\u0644\u062d\u0648\u0627\u0641 \u0648\u0627\u0644\u0644\u062d\u0627\u0645\u0627\u062a \u0648\u0627\u0644\u0625\u0635\u0644\u0627\u062d\u0627\u062a<\/li>\n\n\n\n<li>\u0646\u0637\u0627\u0642 \u0641\u062a\u0631\u0627\u062a \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u0637\u0644\u0627\u0621 \u0628\u064a\u0646 \u0637\u0628\u0642\u0627\u062a<\/li>\n\n\n\n<li>\u0627\u0644\u062a\u0644\u0648\u062b \u0628\u0627\u0644\u0645\u0644\u062d \u062d\u064a\u062b\u0645\u0627 \u0643\u0627\u0646 \u0627\u0644\u062a\u0639\u0627\u0645\u0644 \u0627\u0644\u0633\u0627\u062d\u0644\u064a \u0623\u0648 \u0627\u0644\u062a\u062e\u0632\u064a\u0646<\/li>\n\n\n\n<li>\u0639\u064a\u0648\u0628 \u0638\u0627\u0647\u0631\u064a\u0629 \u0645\u062b\u0644 \u0627\u0644\u0631\u0634 \u0627\u0644\u062c\u0627\u0641\u060c \u0627\u0644\u0645\u0633\u0627\u062d\u0627\u062a \u0627\u0644\u0641\u0627\u0626\u062a\u0629\u060c \u0623\u0648 \u0636\u0631\u0631 \u0627\u0644\u0646\u0642\u0644<\/li>\n<\/ul>\n\n\n\n<p>\u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0641\u0631\u064a\u0642\u0643 \u064a\u062d\u062a\u0627\u062c \u0625\u0644\u0649 \u0645\u0631\u062c\u0639 \u062a\u0633\u0644\u064a\u0645 \u062c\u0627\u0647\u0632 \u0645\u064a\u062f\u0627\u0646\u064a\u0627\u064b\u060c \u0627\u0633\u062a\u062e\u062f\u0645 \u0647\u0630\u0627&nbsp;<a rel=\"noreferrer noopener\" target=\"_blank\" href=\"https:\/\/huilicoating.com\/ar\/steel-structure-coating-inspection-checklist-surface-prep-dft-recoat-interval-touch-up\/\">\u0642\u0627\u0626\u0645\u0629 \u0641\u062d\u0635 \u0641\u062d\u0635 \u0637\u0644\u0627\u0621 \u0627\u0644\u0647\u064a\u0643\u0644 \u0627\u0644\u0641\u0648\u0644\u0627\u0630\u064a<\/a>.\u200b<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"prepare-the-rfq-and-next-step\">\u062c\u0647\u0651\u0632 \u0637\u0644\u0628 \u0639\u0631\u0636 \u0627\u0644\u0633\u0639\u0631 \u0648\u0627\u0644\u062e\u0637\u0648\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629<\/h2>\n\n\n\n<p>\u0637\u0644\u0628 \u0639\u0631\u0636 \u0633\u0639\u0631 \u0623\u0641\u0636\u0644 \u064a\u0642\u062f\u0645 \u0639\u0631\u0648\u0636 \u062a\u0642\u0646\u064a\u0629 \u0623\u0641\u0636\u0644. \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0639\u0645\u0644 C4\u060c \u0641\u0625\u0646 \u0623\u0643\u062b\u0631 \u0637\u0644\u0628\u0627\u062a \u0639\u0631\u0636 \u0627\u0644\u0633\u0639\u0631 \u0642\u064a\u0645\u0629 \u062a\u0635\u0641 \u0627\u0644\u0628\u064a\u0626\u0629 \u0628\u0648\u0636\u0648\u062d \u0643\u0627\u0641\u064d \u062d\u062a\u0649 \u0644\u0627 \u064a\u0636\u0637\u0631 \u0627\u0644\u0645\u0648\u0631\u062f\u0648\u0646 \u0625\u0644\u0649 \u0627\u0644\u062a\u062e\u0645\u064a\u0646 \u0628\u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u062a\u0639\u0631\u0636 \u0623\u0648 \u0628\u0646\u0627\u0621 \u0627\u0644\u0646\u0638\u0627\u0645.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"c4-paint-specification-checklist\">\u0642\u0627\u0626\u0645\u0629 \u0641\u062d\u0635 \u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0637\u0644\u0627\u0621 C4<\/h3>\n\n\n\n<p>\u062a\u0636\u0645\u0651\u0650\u0646 \u0647\u0630\u0647 \u0627\u0644\u0646\u0642\u0627\u0637 \u0641\u064a \u0637\u0644\u0628 \u0639\u0631\u0636 \u0627\u0644\u0633\u0639\u0631:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0645\u0648\u0642\u0639 \u0627\u0644\u0645\u0634\u0631\u0648\u0639 \u0648\u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u062a\u0639\u0631\u0636 \u0635\u0646\u0627\u0639\u064a\u064b\u0627\u060c \u0633\u0627\u062d\u0644\u064a\u064b\u0627\u060c \u0623\u0648 \u062f\u0627\u062e\u0644\u064a\u064b\u0627 \u0639\u062f\u0648\u0627\u0646\u064a\u064b\u0627<\/li>\n\n\n\n<li>\u0646\u0648\u0639 \u0647\u064a\u0643\u0644 \u0627\u0644\u0635\u0644\u0628 \u0648\u0638\u0631\u0648\u0641 \u0627\u0644\u062e\u062f\u0645\u0629<\/li>\n\n\n\n<li>\u0647\u062f\u0641 \u0627\u0644\u0645\u062a\u0627\u0646\u0629<\/li>\n\n\n\n<li>\u0645\u0639\u064a\u0627\u0631 \u062a\u062c\u0647\u064a\u0632 \u0627\u0644\u0633\u0637\u062d<\/li>\n\n\n\n<li>\u0639\u062f\u062f \u0627\u0644\u0637\u0628\u0642\u0627\u062a<\/li>\n\n\n\n<li>\u0646\u0637\u0627\u0642 \u0627\u0644\u0647\u062f\u0641 \u0627\u0644\u0625\u062c\u0645\u0627\u0644\u064a \u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u062f\u0641\u0621 (DFT)<\/li>\n\n\n\n<li>\u0627\u062d\u062a\u064a\u0627\u062c\u0627\u062a \u0623\u062f\u0627\u0621 \u0627\u0644\u0637\u0644\u0627\u0621 \u0627\u0644\u0639\u0644\u0648\u064a \u0645\u062b\u0644 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0623\u0634\u0639\u0629 \u0641\u0648\u0642 \u0627\u0644\u0628\u0646\u0641\u0633\u062c\u064a\u0629 \u0623\u0648 \u0627\u0644\u0627\u062d\u062a\u0641\u0627\u0638 \u0628\u0627\u0644\u0644\u0648\u0646<\/li>\n\n\n\n<li>\u0646\u0637\u0627\u0642 \u0627\u0644\u062a\u0637\u0628\u064a\u0642 \u0641\u064a \u0627\u0644\u0648\u0631\u0634\u0629 \u0623\u0648 \u0627\u0644\u0645\u064a\u062f\u0627\u0646<\/li>\n\n\n\n<li>\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u062a\u0641\u062a\u064a\u0634\u060c \u0646\u0642\u0627\u0637 \u0627\u0644\u0627\u0646\u062a\u0638\u0627\u0631\u060c \u0648\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0648\u062b\u0627\u0626\u0642<\/li>\n\n\n\n<li>\u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0645\u0637\u0644\u0648\u0628\u064b\u0627 \u062f\u0644\u064a\u0644 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a\u060c \u0628\u064a\u0627\u0646 \u0627\u0644\u0637\u0631\u064a\u0642\u0629\u060c \u0623\u0648 \u062a\u0648\u0635\u064a\u0629 \u0627\u0644\u0646\u0638\u0627\u0645<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"faq\">\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"what-does-iso-12944-c4-mean\">\u0645\u0627\u0630\u0627 \u064a\u0639\u0646\u064a ISO 12944 C4\u061f<\/h3>\n\n\n\n<p>\u0647\u0630\u0627 \u064a\u0639\u0646\u064a \u0641\u0626\u0629 \u0634\u062f\u0629 \u0627\u0644\u062a\u0622\u0643\u0644 \u0627\u0644\u062c\u0648\u064a \u0627\u0644\u0645\u0631\u062a\u0641\u0639\u0629 \u0644\u0644\u0647\u064a\u0627\u0643\u0644 \u0627\u0644\u0641\u0648\u0644\u0627\u0630\u064a\u0629\u060c \u0648\u0639\u0627\u062f\u0629 \u0645\u0627 \u062a\u0631\u062a\u0628\u0637 \u0628\u0627\u0644\u0623\u062c\u0648\u0627\u0621 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0623\u0648 \u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0633\u0627\u062d\u0644\u064a\u0629 \u0630\u0627\u062a \u0627\u0644\u0645\u0644\u0648\u062d\u0629 \u0627\u0644\u0645\u0639\u062a\u062f\u0644\u0629.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"is-c4-suitable-for-coastal-steel-structures\">\u0647\u0644 C4 \u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u0644\u0647\u064a\u0627\u0643\u0644 \u0627\u0644\u0641\u0648\u0644\u0627\u0630\u064a\u0629 \u0627\u0644\u0633\u0627\u062d\u0644\u064a\u0629\u061f<\/h3>\n\n\n\n<p>\u0646\u0639\u0645\u060c \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0627\u0644\u0647\u064a\u0627\u0643\u0644 \u0627\u0644\u0641\u0648\u0644\u0627\u0630\u064a\u0629 \u0627\u0644\u0633\u0627\u062d\u0644\u064a\u0629 \u062a\u0642\u0639 \u0636\u0645\u0646 C4 \u0639\u0646\u062f\u0645\u0627 \u064a\u0643\u0648\u0646 \u0627\u0644\u062a\u0639\u0631\u0636 \u0644\u0644\u0639\u0627\u0626\u062f \u0627\u0644\u0645\u0644\u062d\u064a \u0645\u0639\u062a\u062f\u0644\u0627\u064b \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0634\u062f\u064a\u062f\u060c \u0644\u0643\u0646 \u0627\u0644\u0646\u0638\u0627\u0645 \u0627\u0644\u0646\u0647\u0627\u0626\u064a \u0644\u0627 \u064a\u0632\u0627\u0644 \u064a\u0639\u062a\u0645\u062f \u0639\u0644\u0649 \u062a\u0641\u0627\u0635\u064a\u0644 \u0627\u0644\u062a\u0639\u0631\u0636\u060c \u0647\u062f\u0641 \u0627\u0644\u0645\u062a\u0627\u0646\u0629\u060c \u0648\u0638\u0631\u0648\u0641 \u0627\u0644\u0628\u0646\u0627\u0621.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"what-is-the-difference-between-c3-and-c4\">\u0645\u0627 \u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 C3 \u0648 C4\u061f<\/h3>\n\n\n\n<p>\u064a\u0645\u062b\u0644 C4 \u0625\u062c\u0647\u0627\u062f \u062a\u0622\u0643\u0644 \u062c\u0648\u064a \u0623\u0639\u0644\u0649 \u0645\u0646 C3\u060c \u0648\u064a\u064f\u0642\u064e\u0627\u062f \u0627\u0644\u0627\u062e\u062a\u0644\u0627\u0641 \u063a\u0627\u0644\u0628\u064b\u0627 \u0628\u0627\u0644\u0631\u0637\u0648\u0628\u0629 \u0627\u0644\u0623\u0639\u0644\u0649\u060c \u0627\u0644\u062a\u0644\u0648\u062b\u060c \u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u0645\u0644\u062d\u060c \u0623\u0648 \u0627\u0644\u062a\u0643\u0627\u062b\u0641 \u0648\u0644\u064a\u0633 \u0627\u0644\u062c\u063a\u0631\u0627\u0641\u064a\u0627 \u0648\u062d\u062f\u0647\u0627.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"what-should-a-c4-paint-specification-include\">\u0645\u0627\u0630\u0627 \u064a\u062c\u0628 \u0623\u0646 \u064a\u062a\u0636\u0645\u0646 \u0645\u0648\u0635\u0648\u0641 \u0637\u0644\u0627\u0621 C4\u061f<\/h3>\n\n\n\n<p>\u064a\u062c\u0628 \u0623\u0646 \u064a\u062a\u0636\u0645\u0646 \u0648\u0635\u0641 \u0627\u0644\u062a\u0639\u0631\u0636\u060c \u0647\u062f\u0641 \u0627\u0644\u0645\u062a\u0627\u0646\u0629\u060c \u0645\u0639\u064a\u0627\u0631 \u0625\u0639\u062f\u0627\u062f \u0627\u0644\u0633\u0637\u062d\u060c \u0639\u062f\u062f \u0627\u0644\u0637\u0628\u0642\u0627\u062a\u060c \u0627\u0644\u0646\u0637\u0627\u0642 \u0627\u0644\u0625\u062c\u0645\u0627\u0644\u064a \u0644\u0640 DFT\u060c \u0648\u0623\u064a \u0627\u062d\u062a\u064a\u0627\u062c\u0627\u062a \u0623\u062f\u0627\u0621 \u0637\u0628\u0642\u0629 \u0639\u0644\u0648\u064a\u0629 \u0645\u062b\u0644 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0623\u0634\u0639\u0629 \u0641\u0648\u0642 \u0627\u0644\u0628\u0646\u0641\u0633\u062c\u064a\u0629 \u0623\u0648 \u0627\u0644\u0627\u062d\u062a\u0641\u0627\u0638 \u0628\u0627\u0644\u0644\u0648\u0646.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"technical-note\">\u0645\u0644\u0627\u062d\u0638\u0629 \u0641\u0646\u064a\u0629<\/h2>\n\n\n\n<p>\u0623\u062f\u0627\u0621 \u0646\u0638\u0627\u0645 C4 \u064a\u0639\u062a\u0645\u062f \u0639\u0644\u0649 \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0628\u064a\u0626\u0629\u060c \u0647\u062f\u0641 \u0627\u0644\u0645\u062a\u0627\u0646\u0629\u060c \u062c\u0648\u062f\u0629 \u062a\u062c\u0647\u064a\u0632 \u0627\u0644\u0633\u0637\u062d\u060c \u0628\u0646\u064a\u0629 \u0627\u0644\u0637\u0644\u0627\u0621\u060c \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u060c \u0648\u0627\u0646\u0636\u0628\u0627\u0637 \u0627\u0644\u062a\u0641\u062a\u064a\u0634. \u0642\u0645 \u062f\u0627\u0626\u0645\u064b\u0627 \u0628\u062a\u0623\u0643\u064a\u062f \u0627\u0644\u0646\u0638\u0627\u0645 \u0627\u0644\u0645\u062d\u062f\u062f \u0645\u0642\u0627\u0628\u0644 \u0623\u062d\u062f\u062b \u062f\u0644\u064a\u0644 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a\u060c \u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0630\u0627\u062a \u0627\u0644\u0635\u0644\u0629\u060c \u0648\u0645\u0648\u0627\u0635\u0641\u0629 \u0627\u0644\u0645\u0634\u0631\u0648\u0639 \u0627\u0644\u0645\u0639\u062a\u0645\u062f\u0629 \u0642\u0628\u0644 \u0627\u0644\u0634\u0631\u0627\u0621 \u0623\u0648 \u0627\u0644\u062a\u0637\u0628\u064a\u0642.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"cta\">CTA<\/h2>\n\n\n\n<p>\u0623\u0631\u0633\u0644 \u0628\u064a\u0626\u0629 \u0645\u0634\u0631\u0648\u0639\u0643\u060c \u0647\u062f\u0641 \u0627\u0644\u0645\u062a\u0627\u0646\u0629\u060c \u062d\u0627\u0644\u0629 \u0627\u0644\u0623\u0633\u0637\u062d \u0627\u0644\u0623\u0635\u0644\u064a\u0629\u060c \u0648\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0629 \u0627\u0644\u062d\u0627\u0644\u064a\u0629 \u0625\u0644\u0649&nbsp;<a rel=\"noreferrer noopener\" target=\"_blank\" href=\"https:\/\/huilicoating.com\/ar\/contact\/\">\u0627\u062a\u0635\u0644 \u0628\u0641\u0631\u064a\u0642\u0646\u0627 \u0627\u0644\u0641\u0646\u064a<\/a>&nbsp;\u0644\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u062a\u0648\u0635\u064a\u0629 \u0646\u0638\u0627\u0645 \u0637\u0644\u0627\u0621 C4 \u0645\u0646\u0627\u0633\u0628\u0629 \u0648\u062d\u0632\u0645\u0629 \u062f\u0644\u064a\u0644 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a.<\/p>","protected":false},"excerpt":{"rendered":"<p>C4 is a high atmospheric corrosivity category under ISO 12944, and many industrial or coastal steel structures fall into this range when humidity, pollution, or moderate salinity increase corrosion stress. Coastal fabrication yard with applicators spraying protective coating onto structural steel frames before shipmentiso-12944-c4-corrosion-protection-steel-yard.webpApplicators coating structural steel at a coastal fabrication yard This article stays [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1873,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[100],"tags":[],"class_list":["post-3626","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-standards-compliance"],"acf":[],"_links":{"self":[{"href":"https:\/\/huilicoating.com\/ar\/wp-json\/wp\/v2\/posts\/3626","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/huilicoating.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/huilicoating.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/huilicoating.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/huilicoating.com\/ar\/wp-json\/wp\/v2\/comments?post=3626"}],"version-history":[{"count":1,"href":"https:\/\/huilicoating.com\/ar\/wp-json\/wp\/v2\/posts\/3626\/revisions"}],"predecessor-version":[{"id":4086,"href":"https:\/\/huilicoating.com\/ar\/wp-json\/wp\/v2\/posts\/3626\/revisions\/4086"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/huilicoating.com\/ar\/wp-json\/wp\/v2\/media\/1873"}],"wp:attachment":[{"href":"https:\/\/huilicoating.com\/ar\/wp-json\/wp\/v2\/media?parent=3626"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/huilicoating.com\/ar\/wp-json\/wp\/v2\/categories?post=3626"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/huilicoating.com\/ar\/wp-json\/wp\/v2\/tags?post=3626"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}