{"id":6727,"date":"2023-12-21T11:53:42","date_gmt":"2023-12-21T03:53:42","guid":{"rendered":"https:\/\/xzfastener.com\/?p=6727"},"modified":"2026-06-22T11:55:26","modified_gmt":"2026-06-22T03:55:26","slug":"a2-vs-a4-fasteners-how-to-choose-for-corrosion-resistance","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/ar\/a2-vs-a4-fasteners-how-to-choose-for-corrosion-resistance\/","title":{"rendered":"\u0645\u062b\u0628\u062a\u0627\u062a A2 \u0645\u0642\u0627\u0628\u0644 A4: \u0643\u064a\u0641\u064a\u0629 \u0627\u062e\u062a\u064a\u0627\u0631 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0622\u0643\u0644"},"content":{"rendered":"<p>\u0623\u062f\u0648\u0627\u062a \u0627\u0644\u062a\u062b\u0628\u064a\u062a A2 \u0648A4 \u0643\u0644\u0627\u0647\u0645\u0627 \u0645\u062b\u0628\u062a\u0627\u062a \u0641\u0648\u0644\u0627\u0630 \u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0635\u062f\u0623\u060c \u0644\u0643\u0646 \u0644\u0645 \u064a\u062a\u0645 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\u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a<\/th><\/tr><\/thead><tbody><tr><td>\u06232<\/td><td>304 \u0645\u0646 \u0627\u0644\u0646\u0648\u0639 \u063a\u064a\u0631 \u0627\u0644\u0642\u0627\u0628\u0644 \u0644\u0644\u0635\u062f\u0623<\/td><td>\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0622\u0643\u0644 \u0627\u0644\u0639\u0627\u0645\u0629<\/td><td>\u062f\u0627\u062e\u0644\u064a\u060c \u0622\u0644\u0627\u062a\u060c \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062e\u0627\u0631\u062c\u064a \u0646\u0638\u064a\u0641<\/td><\/tr><tr><td>A4<\/td><td>316 \u0645\u0646 \u0627\u0644\u0646\u0648\u0639 \u063a\u064a\u0631 \u0627\u0644\u0642\u0627\u0628\u0644 \u0644\u0644\u0635\u062f\u0623<\/td><td>\u0645\u0642\u0627\u0648\u0645\u0629 \u0623\u0641\u0636\u0644 \u0644\u0644\u0643\u0644\u0648\u0631\u064a\u062f<\/td><td>\u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0628\u062d\u0631\u064a\u0629 \u0648\u0627\u0644\u0633\u0627\u062d\u0644\u064a\u0629 \u0648\u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629 \u0648\u0627\u0644\u0631\u0637\u0628\u0629<\/td><\/tr><tr><td>A2-70<\/td><td>A2 \u0645\u0639 \u0641\u0626\u0629 700 MPa<\/td><td>\u0641\u0626\u0629 \u0627\u0644\u0642\u0648\u0629 \u0627\u0644\u0645\u0634\u062a\u0631\u0643\u0629 \u063a\u064a\u0631 \u0627\u0644\u0642\u0627\u0628\u0644 \u0644\u0644\u0635\u062f\u0623<\/td><td>\u0627\u0644\u062c\u0645\u0639\u064a\u0629 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0627\u0644\u0639\u0627\u0645\u0629<\/td><\/tr><tr><td>A4-80<\/td><td>A4 \u0645\u0639 \u0641\u0626\u0629 \u0642\u0648\u0629 \u0623\u0639\u0644\u0649<\/td><td>\u062a\u0622\u0643\u0644 \u0623\u0641\u0636\u0644 \u0628\u0627\u0644\u0625\u0636\u0627\u0641\u0629 \u0625\u0644\u0649 \u0642\u0648\u0629 \u0623\u0639\u0644\u0649<\/td><td>\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0623\u0643\u062b\u0631 \u062a\u0637\u0644\u0628\u0627<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u064a\u0645\u0643\u0646 \u0644\u0644\u0645\u0634\u062a\u0631\u064a\u0646 \u0645\u0631\u0627\u062c\u0639\u0629 <a href=\"https:\/\/xzfastener.com\/ar\/fastener-material\/stainless-steel\/\">\u0627\u0644\u0633\u062d\u0627\u0628\u0627\u062a \u0641\u0648\u0644\u0627\u0630 \u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0635\u062f\u0623<\/a> \u0639\u0646\u062f \u0645\u0642\u0627\u0631\u0646\u0629 \u062e\u064a\u0627\u0631\u0627\u062a A2 \u0648A4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0645\u062a\u0649 \u062a\u062e\u062a\u0627\u0631 \u0645\u062b\u0628\u062a\u0627\u062a A2<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0635\u0646\u0627\u0639\u064a \u0627\u0644\u0639\u0627\u0645<\/h3>\n\n\n\n<p>\u0627\u0644\u0633\u062d\u0627\u0628\u0627\u062a A2 \u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0627\u0644\u0628\u064a\u0626\u0627\u062a \u0627\u0644\u0639\u0627\u062f\u064a\u0629.<\/p>\n\n\n\n<p>\u0627\u0633\u062a\u062e\u062f\u0645 A2 \u0645\u0646 \u0623\u062c\u0644:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u0622\u0644\u0627\u062a \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629<\/li>\n\n\n\n<li>\u062e\u0632\u0627\u0626\u0646 \u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629<\/li>\n\n\n\n<li>\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0623\u062b\u0627\u062b<\/li>\n\n\n\n<li>\u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u063a\u0630\u0627\u0626\u064a\u0629 \u0630\u0627\u062a \u0627\u0644\u062a\u0639\u0631\u0636 \u0627\u0644\u0645\u0639\u062a\u062f\u0644<\/li>\n\n\n\n<li>\u062a\u0646\u0638\u064a\u0641 \u0627\u0644\u0647\u064a\u0627\u0643\u0644 \u0627\u0644\u062e\u0627\u0631\u062c\u064a\u0629<\/li>\n\n\n\n<li>\u0627\u0644\u0623\u0642\u0648\u0627\u0633 \u0648\u0627\u0644\u0623\u063a\u0637\u064a\u0629 \u0627\u0644\u0639\u0627\u0645\u0629<\/li>\n<\/ul>\n\n\n\n<p>\u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u064a\u0643\u0648\u0646 A2 \u0623\u0633\u0647\u0644 \u0641\u064a \u0627\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u064a\u0647 \u0648\u0623\u0643\u062b\u0631 \u0641\u0639\u0627\u0644\u064a\u0629 \u0645\u0646 \u062d\u064a\u062b \u0627\u0644\u062a\u0643\u0644\u0641\u0629 \u0645\u0646 A4. \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0623\u062d\u062c\u0627\u0645 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629\u060c \u064a\u0645\u0643\u0646 \u0644\u0644\u0645\u0634\u062a\u0631\u064a\u0646 \u0623\u064a\u0636\u064b\u0627 \u0627\u0644\u062a\u062d\u0642\u0642 <a href=\"https:\/\/xzfastener.com\/ar\/products-category\/standard-fasteners\/\">\u0627\u0644\u0633\u062d\u0627\u0628\u0627\u062a \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0645\u062a\u0649 \u062a\u062e\u062a\u0627\u0631 \u0645\u062b\u0628\u062a\u0627\u062a A4<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u0627\u0644\u0643\u0644\u0648\u0631\u064a\u062f \u0648\u0627\u0644\u062a\u0639\u0631\u0636 \u0627\u0644\u0642\u0627\u0633\u064a<\/h3>\n\n\n\n<p>A4 \u0647\u0648 \u0627\u0644\u062e\u064a\u0627\u0631 \u0627\u0644\u0623\u0641\u0636\u0644 \u0639\u0646\u062f\u0645\u0627 \u064a\u0643\u0648\u0646 \u062e\u0637\u0631 \u0627\u0644\u062a\u0622\u0643\u0644 \u0623\u0639\u0644\u0649.<\/p>\n\n\n\n<p>\u0627\u0633\u062a\u062e\u062f\u0645 A4 \u0645\u0646 \u0623\u062c\u0644:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u0647\u064a\u0627\u0643\u0644 \u0627\u0644\u0633\u0627\u062d\u0644\u064a\u0629<\/li>\n\n\n\n<li>\u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0628\u062d\u0631\u064a\u0629<\/li>\n\n\n\n<li>\u0627\u0644\u0646\u0628\u0627\u062a\u0627\u062a \u0627\u0644\u0643\u064a\u0645\u0627\u0648\u064a\u0629<\/li>\n\n\n\n<li>\u0627\u0644\u0628\u064a\u0626\u0627\u062a \u0627\u0644\u0631\u0637\u0628\u0629 \u0641\u064a \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0637\u0644\u0642<\/li>\n\n\n\n<li>\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u063a\u0633\u064a\u0644<\/li>\n\n\n\n<li>\u0645\u062d\u064a\u0637 \u062d\u0645\u0627\u0645 \u0627\u0644\u0633\u0628\u0627\u062d\u0629<\/li>\n\n\n\n<li>\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u062a\u0639\u0631\u0636 \u0644\u0623\u0645\u0644\u0627\u062d \u0627\u0644\u0637\u0631\u0642<\/li>\n<\/ul>\n\n\n\n<p>A4 \u0644\u064a\u0633 \u0645\u062d\u0635\u0646\u064b\u0627 \u0636\u062f \u0627\u0644\u062a\u0622\u0643\u0644\u060c \u0644\u0643\u0646\u0647 \u064a\u0639\u0637\u064a \u0645\u0642\u0627\u0648\u0645\u0629 \u0623\u0641\u0636\u0644 \u0645\u0646 A2 \u0641\u064a \u0628\u064a\u0626\u0627\u062a \u0627\u0644\u0643\u0644\u0648\u0631\u064a\u062f.<\/p>\n\n\n\n<p>\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0645\u0634\u0631\u0648\u0639\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u0643\u0648\u0646 \u0641\u064a\u0647\u0627 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0622\u0643\u0644 \u0623\u0645\u0631\u064b\u0627 \u0628\u0627\u0644\u063a \u0627\u0644\u0623\u0647\u0645\u064a\u0629\u060c \u0642\u0627\u0631\u0646 A4 \u0645\u0639 <a href=\"https:\/\/xzfastener.com\/ar\/products-category\/various-coated-fasteners\/\">\u0645\u062e\u062a\u0644\u0641 \u0627\u0644\u0633\u062d\u0627\u0628\u0627\u062a \u0627\u0644\u0645\u063a\u0644\u0641\u0629<\/a> \u0642\u0628\u0644 \u0627\u0644\u0645\u0648\u0627\u0641\u0642\u0629 \u0627\u0644\u0646\u0647\u0627\u0626\u064a\u0629.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0623\u062e\u0637\u0627\u0621 \u0627\u0644\u0645\u0634\u062a\u0631\u064a \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/h2>\n\n\n\n<p>\u062a\u062c\u0646\u0628 \u0647\u0630\u0647 \u0627\u0644\u0645\u0634\u0627\u0643\u0644:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0633\u062a\u062e\u062f\u0627\u0645 A2 \u0641\u064a \u0627\u0644\u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u0628\u062d\u0631\u064a\u0629 \u0623\u0648 \u0627\u0644\u0633\u0627\u062d\u0644\u064a\u0629.<\/li>\n\n\n\n<li>\u0627\u062e\u062a\u064a\u0627\u0631 A4 \u0628\u0627\u0644\u0627\u0633\u0645 \u0641\u0642\u0637 \u062f\u0648\u0646 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0641\u0626\u0629 \u0627\u0644\u0642\u0648\u0629.<\/li>\n\n\n\n<li>\u062e\u0644\u0637 \u0645\u0633\u0627\u0645\u064a\u0631 A2 \u0645\u0639 \u0635\u0648\u0627\u0645\u064a\u0644 A4 \u0641\u064a \u0627\u0644\u062a\u062c\u0645\u064a\u0639\u0627\u062a \u0627\u0644\u062d\u0631\u062c\u0629.<\/li>\n\n\n\n<li>\u062a\u062c\u0627\u0647\u0644 \u062a\u0647\u064a\u062c \u0627\u0644\u062e\u064a\u0637 \u0623\u062b\u0646\u0627\u0621 \u062a\u062b\u0628\u064a\u062a \u0641\u0648\u0644\u0627\u0630 \u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0635\u062f\u0623.<\/li>\n\n\n\n<li>\u0639\u062f\u0645 \u062a\u0623\u0643\u064a\u062f \u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 A2-70 \u0623\u0648 A4-70 \u0623\u0648 A4-80 \u0645\u0637\u0644\u0648\u0628\u064b\u0627.<\/li>\n\n\n\n<li>\u0627\u062e\u062a\u064a\u0627\u0631 \u0641\u0648\u0644\u0627\u0630 \u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0635\u062f\u0623 \u062f\u0648\u0646 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u0645\u0639\u062f\u0646 \u0627\u0644\u0645\u062a\u0635\u0644.<\/li>\n<\/ul>\n\n\n\n<p>\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u062a\u062c\u0645\u064a\u0639\u0627\u062a \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0644\u0644\u0635\u062f\u0623 \u0630\u0627\u062a \u0627\u0644\u062a\u062d\u0645\u064a\u0644 \u0627\u0644\u0639\u0627\u0644\u064a\u060c \u0642\u0645 \u0628\u0645\u0631\u0627\u062c\u0639\u062a\u0647\u0627 <a href=\"https:\/\/xzfastener.com\/ar\/products-category\/high-strength-fasteners\/\">\u0627\u0644\u0633\u062d\u0627\u0628\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0642\u0648\u0629<\/a> \u0648\u062a\u0623\u0643\u064a\u062f \u0627\u0644\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0642\u0627\u0626\u0645\u0629 \u0645\u0631\u0627\u062c\u0639\u0629 RFQ<\/h2>\n\n\n\n<p>\u0642\u0628\u0644 \u0627\u0644\u0637\u0644\u0628\u060c \u062a\u0648\u0641\u064a\u0631:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u062f\u0631\u062c\u0629 A2 \u0623\u0648 A4<\/li>\n\n\n\n<li>\u0641\u0626\u0629 \u0627\u0644\u0639\u0642\u0627\u0631: 50\u060c 70\u060c \u0623\u0648 80<\/li>\n\n\n\n<li>\u0646\u0648\u0639 \u0627\u0644\u0645\u0646\u062a\u062c: \u0645\u0633\u0645\u0627\u0631\u060c \u0635\u0627\u0645\u0648\u0644\u0629\u060c \u063a\u0633\u0627\u0644\u0629\u060c \u0628\u0631\u063a\u064a\u060c \u0645\u0633\u0645\u0627\u0631<\/li>\n\n\n\n<li>\u0627\u0644\u062d\u062c\u0645 \u0648\u0627\u0644\u0645\u0644\u0639\u0628 \u0648\u0627\u0644\u0637\u0648\u0644<\/li>\n\n\n\n<li>\u062d\u0627\u0644\u0629 \u0627\u0644\u0633\u0637\u062d \u0623\u0648 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u062a\u062e\u0645\u064a\u0644<\/li>\n\n\n\n<li>\u0628\u064a\u0626\u0629 \u0627\u0644\u062a\u0637\u0628\u064a\u0642<\/li>\n\n\n\n<li>\u0645\u0637\u0627\u0628\u0642\u0629 \u0627\u0644\u0645\u0643\u0633\u0631\u0627\u062a \u0648\u0627\u0644\u063a\u0633\u0627\u0644\u0627\u062a<\/li>\n\n\n\n<li>\u0648\u062b\u0627\u0626\u0642 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u0627\u0644\u0646\u0635\u064a\u062d\u0629 \u0627\u0644\u0646\u0647\u0627\u0626\u064a\u0629<\/h2>\n\n\n\n<p>\u0627\u062e\u062a\u0631 A2 \u0644\u0644\u062a\u062b\u0628\u064a\u062a \u0627\u0644\u0639\u0627\u0645 \u0641\u0648\u0644\u0627\u0630 \u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0635\u062f\u0623. \u0627\u062e\u062a\u0631 A4 \u0639\u0646\u062f\u0645\u0627 \u062a\u0643\u0648\u0646 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0622\u0643\u0644 \u0623\u0643\u062b\u0631 \u0623\u0647\u0645\u064a\u0629\u060c \u062e\u0627\u0635\u0629 \u0641\u064a \u0627\u0644\u0628\u064a\u0626\u0627\u062a \u0627\u0644\u0643\u0644\u0648\u0631\u064a\u062f\u064a\u0629 \u0648\u0627\u0644\u0633\u0627\u062d\u0644\u064a\u0629 \u0648\u0627\u0644\u0628\u062d\u0631\u064a\u0629 \u0648\u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629.<\/p>\n\n\n\n<p>\u064a\u062d\u062f\u062f RFQ \u0627\u0644\u0623\u0643\u062b\u0631 \u0623\u0645\u0627\u0646\u064b\u0627 \u0627\u0644\u062f\u0631\u062c\u0629 \u0648\u0641\u0626\u0629 \u0627\u0644\u0642\u0648\u0629 \u0648\u0627\u0644\u062d\u062c\u0645 \u0648\u0627\u0644\u062e\u064a\u0637 \u0648\u0627\u0644\u0623\u062c\u0632\u0627\u0621 \u0627\u0644\u0645\u0637\u0627\u0628\u0642\u0629 \u0648\u0628\u064a\u0626\u0629 \u0627\u0644\u0639\u0645\u0644 \u0642\u0628\u0644 \u0627\u0644\u0625\u0646\u062a\u0627\u062c.<\/p>","protected":false},"excerpt":{"rendered":"<p>A2 and A4 fasteners are both stainless steel fasteners, but they are not selected for the same environment. The main difference is corrosion resistance. In buyer terms, A2 is commonly used for general stainless applications. A4 is selected when chloride exposure, coastal air, or chemical contact becomes more serious. The wrong choice may not fail [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[479],"tags":[500],"class_list":["post-6727","post","type-post","status-publish","format-standard","hentry","category-fastener-knowledge-library","tag-fastener-selection-guide"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/ar\/wp-json\/wp\/v2\/posts\/6727","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xzfastener.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xzfastener.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/ar\/wp-json\/wp\/v2\/comments?post=6727"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/ar\/wp-json\/wp\/v2\/posts\/6727\/revisions"}],"predecessor-version":[{"id":6728,"href":"https:\/\/xzfastener.com\/ar\/wp-json\/wp\/v2\/posts\/6727\/revisions\/6728"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/ar\/wp-json\/wp\/v2\/media?parent=6727"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/ar\/wp-json\/wp\/v2\/categories?post=6727"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/ar\/wp-json\/wp\/v2\/tags?post=6727"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}