{"id":6632,"date":"2025-04-24T11:43:48","date_gmt":"2025-04-24T03:43:48","guid":{"rendered":"https:\/\/xzfastener.com\/?p=6632"},"modified":"2026-06-18T11:44:53","modified_gmt":"2026-06-18T03:44:53","slug":"astm-a193-b8-and-b8m-bolts-stainless-steel-strength-grades-explained","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/zh\/astm-a193-b8-and-b8m-bolts-stainless-steel-strength-grades-explained\/","title":{"rendered":"ASTM A193 B8 \u548c B8M \u87ba\u6813\uff1a\u4e0d\u9508\u94a2\u5f3a\u5ea6\u7b49\u7ea7\u8bf4\u660e"},"content":{"rendered":"<p>ASTM A193B8\u548cB8M\u87ba\u6813\u5e38\u89c1\u4e8e\u538b\u529b\u5bb9\u5668\u3001\u9600\u95e8\u3001\u6cd5\u5170\u3001\u7ba1\u4ef6\u3001\u7ba1\u9053\u7cfb\u7edf\u4ee5\u53ca\u9ad8\u6e29\u6216\u9ad8\u538b\u670d\u52a1\u4e2d\u3002\u4e70\u5bb6\u7ecf\u5e38\u5c06\u5b83\u4eec\u7b80\u5355\u5730\u63cf\u8ff0\u4e3a\u201c\u4e0d\u9508\u94a2\u87ba\u6813\u201d\uff0c\u4f46\u8fd9\u4e0d\u591f\u7cbe\u786e\u3002<\/p>\n\n\n\n<p>B8\u548cB8M\u90fd\u662fASTM A193\u4e0b\u7684\u4e0d\u9508\u94a2\u7b49\u7ea7\uff0c\u4f46\u5b83\u4eec\u4e0d\u662f\u76f8\u540c\u7684\u6750\u6599\u3002\u8ba2\u8d2d\u524d\u5fc5\u987b\u786e\u8ba4\u5176\u8010\u8150\u8680\u6027\u3001\u5f3a\u5ea6\u7b49\u7ea7\u3001\u914d\u5957\u87ba\u6bcd\u548c\u5e94\u7528\u8303\u56f4\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM A193 \u6db5\u76d6\u4ec0\u4e48<\/h2>\n\n\n\n<p>ASTM A193\u662f\u7528\u4e8e\u9ad8\u6e29\u3001\u9ad8\u538b\u548c\u7279\u6b8a\u7528\u9014\u5e94\u7528\u7684\u5408\u91d1\u94a2\u548c\u4e0d\u9508\u94a2\u7d27\u56fa\u4ef6\u7684\u87ba\u6813\u6750\u6599\u89c4\u8303\u3002\u5b83\u6db5\u76d6\u87ba\u6813\u3001\u87ba\u67f1\u3001\u87ba\u6746\u548c\u5176\u4ed6\u5916\u87ba\u7eb9\u87ba\u6813\u90e8\u4ef6\u7b49\u4ea7\u54c1\u3002<\/p>\n\n\n\n<p>\u5bf9\u4e8e\u4e70\u5bb6\u6765\u8bf4\uff0c\u8be5\u6807\u51c6\u6700\u5e38\u89c1\u4e8e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6cd5\u5170\u8fde\u63a5<\/li>\n\n\n\n<li>\u538b\u529b\u7ba1\u9053<\/li>\n\n\n\n<li>\u70ed\u4ea4\u6362\u5668<\/li>\n\n\n\n<li>\u9600\u95e8\u548c\u6cf5<\/li>\n\n\n\n<li>\u77f3\u5316\u8bbe\u5907<\/li>\n\n\n\n<li>\u7535\u5382\u8bbe\u5907<\/li>\n\n\n\n<li>\u9ad8\u6e29\u5de5\u4e1a\u7ec4\u4ef6<\/li>\n<\/ul>\n\n\n\n<p>\u6bd4\u8f83\u4e0d\u9508\u94a2\u87ba\u6813\u9009\u9879\u7684\u4e70\u5bb6\u53ef\u4ee5\u8bc4\u8bba <a href=\"https:\/\/xzfastener.com\/zh\/fastener-material\/stainless-steel\/\">\u4e0d\u9508\u94a2\u7d27\u56fa\u4ef6<\/a> \u548c <a href=\"https:\/\/xzfastener.com\/zh\/fastener-type\/bolts\/\">\u87ba\u6813\u4ea7\u54c1<\/a> \u5728\u51c6\u5907\u8be2\u4ef7\u4e4b\u524d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">B8 \u4e0e B8M\uff1a\u6750\u8d28\u5dee\u5f02<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">ASTM A193 B8<\/h3>\n\n\n\n<p>B8 \u901a\u5e38\u4e0e304 \u578b\u4e0d\u9508\u94a2\u76f8\u5173\u3002\u5b83\u7528\u4e8e\u9700\u8981\u4e0d\u9508\u94a2\u8010\u8150\u8680\u6027\uff0c\u4f46\u6c2f\u5316\u7269\u66b4\u9732\u4e0d\u4e25\u91cd\u7684\u5730\u65b9\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">ASTM A193 B8M<\/h3>\n\n\n\n<p>B8M \u901a\u5e38\u4e0e316 \u578b\u4e0d\u9508\u94a2\u76f8\u5173\u3002 316\u4e2d\u6dfb\u52a0\u7684\u94bc\u63d0\u9ad8\u4e86\u6297\u6c2f\u5316\u7269\u8150\u8680\u80fd\u529b\uff0c\u4f7fB8M\u66f4\u9002\u5408\u6d77\u6d0b\u3001\u6cbf\u6d77\u3001\u5316\u5de5\u4ee5\u53ca\u8150\u8680\u6027\u66f4\u5f3a\u7684\u5de5\u4e1a\u73af\u5883\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Grade<\/th><th>\u4e0d\u9508\u94a2\u578b<\/th><th>\u4e3b\u8981\u7279\u70b9<\/th><th>\u5e38\u7528<\/th><\/tr><\/thead><tbody><tr><td>ASTM A193 B8<\/td><td>304 \/ 304L\u578b\u4e0d\u9508\u94a2<\/td><td>\u8010\u4e00\u822c\u8150\u8680<\/td><td>\u4e2d\u7b49\u73af\u5883\u4e0b\u7684\u9600\u95e8\u3001\u6cd5\u5170\u3001\u8bbe\u5907<\/td><\/tr><tr><td>ASTM A193 B8M<\/td><td>316 \/ 316L\u578b\u4e0d\u9508\u94a2<\/td><td>\u66f4\u597d\u7684\u8010\u6c2f\u5316\u7269\u548c\u8010\u5316\u5b66\u6027<\/td><td>\u6d77\u6d0b\u3001\u5316\u5de5\u3001\u6cbf\u6d77\u3001\u77f3\u5316\u670d\u52a1<\/td><\/tr><tr><td>B8 2 \u7ea7<\/td><td>\u5e94\u53d8\u786c\u5316304\u578b<\/td><td>\u5f3a\u5ea6\u9ad8\u4e8e 1 \u7ea7<\/td><td>\u9ad8\u8d1f\u8f7d\u4e0d\u9508\u94a2\u87ba\u6813\u8fde\u63a5<\/td><\/tr><tr><td>B8M 2 \u7ea7<\/td><td>\u5e94\u53d8\u786c\u5316316\u578b<\/td><td>\u66f4\u9ad8\u7684\u5f3a\u5ea6\u548c\u66f4\u597d\u7684\u8010\u8150\u8680\u6027<\/td><td>\u8981\u6c42\u4e25\u82db\u7684\u8150\u8680\u6027\u87ba\u6813\u63a5\u5934<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u6b63\u786e\u7684\u7b49\u7ea7\u5e94\u6839\u636e\u4f7f\u7528\u6761\u4ef6\u6765\u9009\u62e9\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u6839\u636e\u4ef7\u683c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1 \u7ea7\u4e0e 2 \u7ea7\u5f3a\u5ea6<\/h2>\n\n\n\n<p>\u6700\u5e38\u89c1\u7684\u9519\u8bef\u4e4b\u4e00\u662f\u8ba2\u8d2d\u201cB8\u201d\u6216\u201cB8M\u201d\u800c\u4e0d\u8bf4\u660e\u7c7b\u522b\u3002 ASTM A193 \u4e0d\u9508\u94a2\u724c\u53f7\u53ef\u4ee5\u63d0\u4f9b\u4e0d\u540c\u7684\u5f3a\u5ea6\u7b49\u7ea7\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1\u7ea7<\/h3>\n\n\n\n<p>1 \u7ea7\u7ecf\u8fc7\u78b3\u5316\u7269\u56fa\u6eb6\u5904\u7406\u3002\u5b83\u63d0\u4f9b\u6807\u51c6\u7684\u4e0d\u9508\u94a2\u87ba\u6813\u5f3a\u5ea6\u548c\u826f\u597d\u7684\u8010\u8150\u8680\u6027\u3002\u5b83\u901a\u5e38\u7528\u4e8e\u4e3b\u8981\u5173\u6ce8\u8150\u8680\u6027\u80fd\u4e14\u6240\u9700\u673a\u68b0\u8d1f\u8f7d\u9002\u4e2d\u7684\u60c5\u51b5\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2\u7ea7<\/h3>\n\n\n\n<p>2 \u7ea7\u662f\u56fa\u6eb6\u5904\u7406\u540e\u7684\u5e94\u53d8\u786c\u5316\u3002\u8fd9\u4f1a\u589e\u52a0\u529b\u91cf\u3002\u5b83\u7528\u4e8e\u63a5\u5934\u9700\u8981\u6bd4 1 \u7ea7\u6240\u80fd\u63d0\u4f9b\u7684\u66f4\u9ad8\u62c9\u4f38\u548c\u5c48\u670d\u6027\u80fd\u7684\u5730\u65b9\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7b49\u7ea7<\/th><th>\u52a0\u5de5\u8def\u7ebf<\/th><th>\u5f3a\u5ea6\u7b49\u7ea7<\/th><th>\u4e70\u5bb6\u5173\u6ce8<\/th><\/tr><\/thead><tbody><tr><td>1\u7ea7<\/td><td>\u56fa\u6eb6\u5904\u7406<\/td><td>\u6807\u51c6\u5f3a\u5ea6<\/td><td>\u786e\u8ba4\u8150\u8680\u73af\u5883\u548c\u6e29\u5ea6<\/td><\/tr><tr><td>2\u7ea7<\/td><td>\u56fa\u6eb6\u5904\u7406\u548c\u5e94\u53d8\u786c\u5316<\/td><td>\u5f3a\u5ea6\u66f4\u9ad8<\/td><td>\u786e\u8ba4\u5c3a\u5bf8\u9650\u5236\u3001\u673a\u68b0\u6027\u80fd\u548c\u87ba\u6bcd\u5339\u914d<\/td><\/tr><tr><td>2B \u7ea7\uff08\u5982\u9002\u7528\uff09<\/td><td>\u7279\u6b8a\u9879\u76ee\u6216\u6807\u51c6\u6761\u4ef6<\/td><td>\u4e2d\u95f4\u6216\u7279\u5b9a\u8981\u6c42<\/td><td>\u5fc5\u987b\u6839\u636e\u786e\u5207\u7684\u6807\u51c6\u548c\u91c7\u8d2d\u8ba2\u5355\u8fdb\u884c\u68c0\u67e5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u5bf9\u4e8e\u66f4\u9ad8\u8d1f\u8f7d\u7684\u5e94\u7528\uff0c\u4e70\u5bb6\u5e94\u67e5\u770b <a href=\"https:\/\/xzfastener.com\/zh\/products-category\/high-strength-fasteners\/\">\u9ad8\u5f3a\u5ea6\u7d27\u56fa\u4ef6<\/a> \u5e76\u786e\u8ba4\u5f3a\u5ea6\u548c\u8010\u8150\u8680\u6027\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u914d\u5957\u87ba\u6bcd\u548c\u57ab\u5708<\/h2>\n\n\n\n<p>ASTM A193 \u87ba\u6813\u5e38\u4e0eASTM A194 \u87ba\u6bcd\u4e00\u8d77\u4f7f\u7528\u3002\u5bf9\u4e8eB8\u548cB8M\u87ba\u6813\uff0c\u5e38\u89c1\u7684\u87ba\u6bcd\u7b49\u7ea7\u4e3aASTM A194\u30018 \u7ea7\u548c8M\u7ea7\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u87ba\u6813\u7b49\u7ea7\u548c\u9879\u76ee\u89c4\u683c\u3002<\/p>\n\n\n\n<p>\u6b63\u786e\u7684\u87ba\u6813\u4e0e\u9519\u8bef\u7684\u87ba\u6bcd\u4f1a\u5bfc\u81f4\u88c5\u914d\u4e0d\u7262\u56fa\u3002\u57ab\u5708\u4e5f\u5f88\u91cd\u8981\uff0c\u7279\u522b\u662f\u5728\u6d89\u53ca\u6cd5\u5170\u8d1f\u8f7d\u3001\u57ab\u7247\u538b\u7f29\u6216\u8868\u9762\u4fdd\u62a4\u7684\u60c5\u51b5\u4e0b\u3002<\/p>\n\n\n\n<p>\u4e70\u5bb6\u5e94\u786e\u8ba4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u87ba\u6813\u7b49\u7ea7\u548c\u7b49\u7ea7<\/li>\n\n\n\n<li>\u575a\u679c\u7b49\u7ea7<\/li>\n\n\n\n<li>\u57ab\u5708\u6750\u8d28\u53ca\u786c\u5ea6<\/li>\n\n\n\n<li>\u87ba\u8ddd<\/li>\n\n\n\n<li>\u6d82\u5c42\u6216\u8868\u9762\u72b6\u51b5<\/li>\n\n\n\n<li>\u6e29\u5ea6\u53ca\u8150\u8680\u73af\u5883<\/li>\n\n\n\n<li>\u6240\u9700\u6d4b\u8bd5\u62a5\u544a<\/li>\n<\/ol>\n\n\n\n<p>\u5bf9\u4e8e\u5b8c\u6574\u7684\u7ec4\u4ef6\uff0c\u4e70\u5bb6\u53ef\u4ee5\u67e5\u770b\u5b8c\u6574\u7684\u7ec4\u4ef6 <a href=\"https:\/\/xzfastener.com\/zh\/home\/products\/\">\u7d27\u56fa\u4ef6\u4ea7\u54c1<\/a> \u8303\u56f4\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e70\u5bb6\u5e38\u89c1\u9519\u8bef<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u6df7\u6dc6 B8M \u4e0e\u201c\u4efb\u4f55 316 \u87ba\u6813\u201d<\/h3>\n\n\n\n<p>B8M\u4e0d\u4ec5\u4ec5\u662f316\u4e0d\u9508\u94a2\u7684\u968f\u610f\u540d\u79f0\u3002\u5b83\u5fc5\u987b\u6ee1\u8db3ASTM A193 \u5bf9\u5316\u5b66\u3001\u673a\u68b0\u6027\u80fd\u3001\u6807\u8bb0\u548c\u6587\u4ef6\u7684\u8981\u6c42\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5ffd\u7565\u7b49\u7ea7<\/h3>\n\n\n\n<p>B8 1 \u7ea7\u548cB8 2 \u7ea7\u7684\u5f3a\u5ea6\u4e0d\u540c\u3002\u8fd9\u540c\u6837\u9002\u7528\u4e8eB8M\u3002\u59cb\u7ec8\u5728RFQ\u4e2d\u6ce8\u660e\u7c7b\u522b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5728\u9700\u8981 B8M \u7684\u5730\u65b9\u4f7f\u7528 B8<\/h3>\n\n\n\n<p>\u5728\u6c2f\u5316\u7269\u3001\u6cbf\u6d77\u3001\u6d77\u6d0b\u6216\u5316\u5b66\u54c1\u66b4\u9732\u4e2d\uff0c304 \u4e0d\u9508\u94a2\u53ef\u80fd\u65e0\u6cd5\u63d0\u4f9b\u8db3\u591f\u7684\u8010\u8150\u8680\u6027\u3002 B8M \u901a\u5e38\u662f\u66f4\u5b89\u5168\u7684\u9009\u62e9\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5fd8\u8bb0\u87ba\u7eb9\u78e8\u635f<\/h3>\n\n\n\n<p>\u4e0d\u9508\u94a2\u87ba\u7eb9\u5728\u5b89\u88c5\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u4f1a\u78e8\u635f\u3002\u53ef\u80fd\u9700\u8981\u6e05\u6d01\u7684\u87ba\u7eb9\u3001\u6b63\u786e\u7684\u87ba\u6bcd\u3001\u53d7\u63a7\u7684\u62e7\u7d27\u4ee5\u53ca\u9002\u5f53\u7684\u9632\u5361\u64cd\u4f5c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5c06\u6d82\u5c42\u89c6\u4e3a\u7b80\u5355\u7684\u9644\u52a0\u7ec4\u4ef6<\/h3>\n\n\n\n<p>\u4e0d\u9508\u94a2\u87ba\u6813\u901a\u5e38\u4ee5\u666e\u901a\u3001\u949d\u5316\u6216\u6e05\u6d01\u7684\u5f62\u5f0f\u63d0\u4f9b\u3002\u5982\u679c\u9700\u8981\u7279\u6b8a\u6d82\u5c42\uff0c\u8bf7\u67e5\u770b <a href=\"https:\/\/xzfastener.com\/zh\/products-category\/various-coated-fasteners\/\">\u5404\u79cd\u6d82\u5c42\u7d27\u56fa\u4ef6<\/a> \u5e76\u786e\u8ba4\u87ba\u7eb9\u914d\u5408\u548c\u626d\u77e9\u884c\u4e3a\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM A193 B8 \u548c B8M \u87ba\u6813\u7684\u8be2\u4ef7\u6e05\u5355<\/h2>\n\n\n\n<p>\u660e\u786e\u7684\u8be2\u4ef7\u5e94\u5305\u62ec\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u8be2\u4ef7\u9879\u76ee<\/th><th>\u63d0\u4f9b\u4ec0\u4e48<\/th><\/tr><\/thead><tbody><tr><td>\u6807\u51c6\u578b<\/td><td>ASTM A193 \/ A193M<\/td><\/tr><tr><td>Grade<\/td><td>B8 \u6216 B8M<\/td><\/tr><tr><td>\u7b49\u7ea7<\/td><td>1 \u7ea7\u30012 \u7ea7\u6216\u9879\u76ee\u6307\u5b9a\u7c7b<\/td><\/tr><tr><td>\u5c3a\u5bf8<\/td><td>\u76f4\u5f84\u3001\u957f\u5ea6\u3001\u87ba\u8ddd\u3001\u87ba\u7eb9\u957f\u5ea6<\/td><\/tr><tr><td>\u4ea7\u54c1\u7c7b\u578b<\/td><td>\u87ba\u6813\u3001\u53cc\u5934\u87ba\u6813\u3001\u87ba\u6746\u6216\u7279\u6b8a\u96f6\u4ef6<\/td><\/tr><tr><td>\u87ba\u6bcd\u8981\u6c42<\/td><td>ASTM A194 \u7ea7 8\uff0c8M\uff0c\u6216\u9879\u76ee\u8981\u6c42<\/td><\/tr><tr><td>\u57ab\u5708\u8981\u6c42<\/td><td>\u6750\u6599\u3001\u5c3a\u5bf8\u3001\u786c\u5ea6\u548c\u5149\u6d01\u5ea6<\/td><\/tr><tr><td>\u4f7f\u7528\u72b6\u51b5<\/td><td>\u6e29\u5ea6\u3001\u538b\u529b\u3001\u8150\u8680\u66b4\u9732<\/td><\/tr><tr><td>\u6587\u4ef6<\/td><td>MTC\uff0c\u673a\u68b0\u6d4b\u8bd5\u62a5\u544a\uff0cPMI\uff08\u5982\u679c\u9700\u8981\uff09<\/td><\/tr><tr><td>\u5305\u88c5<\/td><td>\u6279\u6b21\u6807\u7b7e\u3001\u7089\u53f7\u3001\u53ef\u8ffd\u6eaf\u6027<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u5bf9\u4e8e\u975e\u6807\u51c6\u957f\u5ea6\u3001\u7279\u6b8a\u87ba\u7eb9\u6216\u57fa\u4e8e\u56fe\u7eb8\u7684\u4e0d\u9508\u94a2\u87ba\u6813\u8fde\u63a5\uff0c\u8bf7\u4f7f\u7528 <a href=\"https:\/\/xzfastener.com\/zh\/products-category\/custom-non-standard-fasteners\/\">\u5b9a\u5236\u975e\u6807\u7d27\u56fa\u4ef6<\/a> \u5e76\u63d0\u4f9b\u56fe\u7eb8\u6216\u8ba4\u53ef\u7684\u6837\u54c1\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6700\u7ec8\u5efa\u8bae<\/h2>\n\n\n\n<p>ASTM A193\u3001B8\u548cB8M\u87ba\u6813\u5e94\u6839\u636e\u6750\u6599\u3001\u7b49\u7ea7\u3001\u4f7f\u7528\u73af\u5883\u548c\u88c5\u914d\u8981\u6c42\u6765\u9009\u62e9\u3002 B8 \u662f 304 \u578b\u4e0d\u9508\u94a2\u87ba\u6813\u7b49\u7ea7\u3002 B8M\u662f316\u578b\u4e0d\u9508\u94a2\u87ba\u6813\u7b49\u7ea7\uff0c\u5728\u6c2f\u5316\u7269\u6216\u5316\u5b66\u73af\u5883\u4e2d\u5177\u6709\u66f4\u597d\u7684\u8010\u8150\u8680\u6027\u3002<\/p>\n\n\n\n<p>\u4e3a\u4e86\u53ef\u9760\u8d2d\u4e70\uff0c\u4e0d\u8981\u53ea\u5199\u201c\u4e0d\u9508\u94a2\u87ba\u6813\u201d\u3002\u6307\u5b9aASTM A193\u3001\u7b49\u7ea7\u3001\u7c7b\u522b\u3001\u5c3a\u5bf8\u3001\u87ba\u7eb9\u3001\u914d\u5957\u87ba\u6bcd\u3001\u57ab\u5708\u3001\u6587\u4ef6\u548c\u5de5\u4f5c\u6761\u4ef6\u3002\u8fd9\u662f\u907f\u514d\u9519\u8bef\u7b49\u7ea7\u4ea4\u4ed8\u548c\u73b0\u573a\u7ec4\u88c5\u95ee\u9898\u7684\u6700\u7b80\u5355\u65b9\u6cd5\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>ASTM A193 B8 and B8M bolts are common in pressure vessels, valves, flanges, fittings, piping systems, and high-temperature or high-pressure service. Buyers often describe them simply as \u201cstainless steel bolts,\u201d but that is not precise enough. B8 and B8M are both stainless grades under ASTM A193, yet they are not the same material. Their corrosion [&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":[504],"class_list":["post-6632","post","type-post","status-publish","format-standard","hentry","category-fastener-knowledge-library","tag-strength-grades-mechanical-properties"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/posts\/6632","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/comments?post=6632"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/posts\/6632\/revisions"}],"predecessor-version":[{"id":6633,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/posts\/6632\/revisions\/6633"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/media?parent=6632"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/categories?post=6632"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/tags?post=6632"}],"curies":[{"name":"\u53ef\u6e7f\u6027\u7c89\u5242","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}