{"id":8085,"date":"2026-09-23T03:36:11","date_gmt":"2026-09-23T03:36:11","guid":{"rendered":"https:\/\/www.shandongruiying.com\/?p=8085"},"modified":"2026-09-23T03:37:16","modified_gmt":"2026-09-23T03:37:16","slug":"new-steel-vs-recycled-steel-why-export-guardrails-must-use-prime-hot-rolled-steel","status":"publish","type":"post","link":"https:\/\/www.shandongruiying.com\/vi\/new-steel-vs-recycled-steel-why-export-guardrails-must-use-prime-hot-rolled-steel\/","title":{"rendered":"Th\u00e9p m\u1edbi so v\u1edbi th\u00e9p t\u00e1i ch\u1ebf: T\u1ea1i sao lan can xu\u1ea5t kh\u1ea9u ph\u1ea3i s\u1eed d\u1ee5ng th\u00e9p c\u00e1n n\u00f3ng lo\u1ea1i cao c\u1ea5p"},"content":{"rendered":"

Nhi\u1ec1u lo\u1ea1i lan can gi\u00e1 r\u1ebb tr\u00ean th\u1ecb tr\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb th\u00e9p t\u00e1i ch\u1ebf. M\u1eb7c d\u00f9 v\u1ec1 m\u1eb7t h\u00ecnh th\u1ee9c ch\u00fang tr\u00f4ng t\u01b0\u01a1ng t\u1ef1 nhau, nh\u01b0ng t\u00ednh gi\u00f2n, h\u00e0m l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t v\u00e0 t\u00ednh n\u0103ng c\u01a1 h\u1ecdc kh\u00f4ng \u1ed5n \u0111\u1ecbnh c\u1ee7a ch\u00fang th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn s\u1ef1 c\u1ed1 trong d\u1ef1 \u00e1n v\u00e0 g\u00e2y ra c\u00e1c nguy c\u01a1 v\u1ec1 an to\u00e0n.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

T\u1ea5t c\u1ea3 c\u00e1c lan can xu\u1ea5t kh\u1ea9u c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec1u \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb th\u00e9p c\u00e1n n\u00f3ng Q235B \/ Q355B lo\u1ea1i 100% m\u1edbi, nguy\u00ean ch\u1ea5t, kh\u00f4ng ch\u1ee9a b\u1ea5t k\u1ef3 v\u1eadt li\u1ec7u t\u00e1i ch\u1ebf n\u00e0o.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

1. \u0110\u1ed9 tinh khi\u1ebft \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ed9 b\u1ec1n cao<\/h2>\n\n\n\n

Th\u00e9p t\u00e1i ch\u1ebf ch\u1ee9a l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t l\u1edbn, khi\u1ebfn n\u00f3 d\u1ec5 gi\u00f2n v\u00e0 d\u1ec5 n\u1ee9t v\u1ee1 khi ch\u1ecbu va \u0111\u1eadp. Th\u00e9p nguy\u00ean ch\u1ea5t c\u00f3 c\u1ea5u tr\u00fac b\u00ean trong \u0111\u1ed3ng nh\u1ea5t, \u0111\u1ed9 d\u1ebbo dai \u1ed5n \u0111\u1ecbnh v\u00e0 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng \u0111\u00e1ng tin c\u1eady, ho\u00e0n to\u00e0n tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n an to\u00e0n EN1317 v\u00e0 AASHTO.<\/p>\n\n\n\n

2. \u0110\u1ed9 b\u00e1m d\u00ednh c\u1ee7a l\u1edbp m\u1ea1 k\u1ebdm t\u1ed1t h\u01a1n<\/h2>\n\n\n\n

Th\u00e9p t\u00e1i ch\u1ebf kh\u00f4ng tinh khi\u1ebft l\u00e0m gi\u1ea3m \u0111\u1ed9 b\u00e1m d\u00ednh c\u1ee7a k\u1ebdm, d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng bong tr\u00f3c, r\u1ec9 s\u00e9t tr\u1eafng v\u00e0 h\u01b0 h\u1ecfng l\u1edbp m\u1ea1 trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n \u0111\u01b0\u1eddng bi\u1ec3n. Th\u00e9p Prime \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u00e1m d\u00ednh ho\u00e0n h\u1ea3o c\u1ee7a l\u1edbp m\u1ea1 k\u1ebdm v\u00e0 hi\u1ec7u qu\u1ea3 ch\u1ed1ng \u0103n m\u00f2n l\u00e2u d\u00e0i.<\/p>\n\n\n\n

3. \u0110\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc ch\u00ednh x\u00e1c<\/h2>\n\n\n\n

Th\u00e9p t\u00e1i ch\u1ebf d\u1ec5 b\u1ecb bi\u1ebfn d\u1ea1ng v\u00e0 u\u1ed1n cong sau khi s\u1ea3n xu\u1ea5t do \u1ee9ng su\u1ea5t b\u00ean trong kh\u00f4ng \u1ed5n \u0111\u1ecbnh. Th\u00e9p nguy\u00ean ch\u1ea5t \u0111\u1ea3m b\u1ea3o b\u1ec1 m\u1eb7t d\u1ea7m ph\u1eb3ng, g\u00f3c radian ti\u00eau chu\u1ea9n v\u00e0 dung sai l\u1eafp \u0111\u1eb7t ch\u00ednh x\u00e1c.<\/p>\n\n\n\n

Ch\u00fang t\u00f4i cung c\u1ea5p c\u00e1c ch\u1ee9ng ch\u1ec9 ki\u1ec3m tra t\u1ea1i nh\u00e0 m\u00e1y (MTC) g\u1ed1c cho t\u1eebng l\u00f4 h\u00e0ng. C\u00e1c d\u1ef1 \u00e1n to\u00e0n c\u1ea7u c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn k\u1ebft qu\u1ea3 ki\u1ec3m tra to\u00e0n di\u1ec7n do b\u00ean th\u1ee9 ba th\u1ef1c hi\u1ec7n.<\/p>","protected":false},"excerpt":{"rendered":"

Many low-cost guardrails in the market are made of recycled steel. Although they look similar visually, their brittleness, impurity content and unstable mechanical performance often lead to project failure and safety hazards. All our export guardrails adopt 100% new prime Q235B \/ Q355B hot-rolled steel without any recycled materials. 1. Stable Purity & Toughness Recycled […]<\/p>","protected":false},"author":1,"featured_media":8076,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"New Steel vs Recycled Steel: Why Export Guardrails Use Prime Hot Rolled Steel","_seopress_titles_desc":"Compare new prime steel and recycled steel for export guardrails. 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