{"id":8006,"date":"2026-08-10T09:25:10","date_gmt":"2026-08-10T09:25:10","guid":{"rendered":"https:\/\/www.shandongruiying.com\/?p=8006"},"modified":"2026-08-10T09:26:39","modified_gmt":"2026-08-10T09:26:39","slug":"why-is-it-necessary-to-pay-special-attention-to-the-galvanizing-layer-quality-when-manufacturing-export-guardrails","status":"publish","type":"post","link":"https:\/\/www.shandongruiying.com\/vi\/why-is-it-necessary-to-pay-special-attention-to-the-galvanizing-layer-quality-when-manufacturing-export-guardrails\/","title":{"rendered":"T\u1ea1i sao c\u1ea7n ph\u1ea3i \u0111\u1eb7c bi\u1ec7t ch\u00fa tr\u1ecdng \u0111\u1ebfn \u201cch\u1ea5t l\u01b0\u1ee3ng l\u1edbp m\u1ea1 k\u1ebdm\u201d khi s\u1ea3n xu\u1ea5t lan can xu\u1ea5t kh\u1ea9u?"},"content":{"rendered":"

Trong c\u00e1c d\u1ef1 \u00e1n mua s\u1eafm lan can b\u1ea3o v\u1ec7 \u0111\u01b0\u1eddng cao t\u1ed1c \u1edf n\u01b0\u1edbc ngo\u00e0i, y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tu\u1ed5i th\u1ecd s\u1eed d\u1ee5ng l\u00e0 ch\u1ea5t l\u01b0\u1ee3ng m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng<\/strong>. Nhi\u1ec1u lo\u1ea1i lan can gi\u00e1 r\u1ebb th\u01b0\u1eddng b\u1ecb r\u1ec9 s\u00e9t, bong tr\u00f3c v\u00e0 xu\u1ea5t hi\u1ec7n c\u00e1c \u0111\u1ed1m tr\u1eafng ch\u1ec9 sau 1\u20132 n\u0103m; nguy\u00ean nh\u00e2n kh\u00f4ng ph\u1ea3i do \u0111\u1ed9 d\u00e0y c\u1ee7a th\u00e9p, m\u00e0 l\u00e0 do quy tr\u00ecnh m\u1ea1 k\u1ebdm kh\u00f4ng \u0111\u1ea1t ti\u00eau chu\u1ea9n.<\/p>\n\n\n\n

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

Lan can xu\u1ea5t kh\u1ea9u c\u1ea7n ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n \u0111\u01b0\u1eddng bi\u1ec3n d\u00e0i ng\u00e0y, s\u01b0\u01a1ng mu\u1ed1i n\u1ed3ng \u0111\u1ed9 cao, kh\u00ed h\u1eadu \u1ea9m \u01b0\u1edbt, gi\u00f3 sa m\u1ea1c v\u00e0 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 l\u1edbn. Ti\u00eau chu\u1ea9n ch\u1ed1ng \u0103n m\u00f2n \u0111\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n xu\u1ea5t kh\u1ea9u cao h\u01a1n nhi\u1ec1u so v\u1edbi c\u00e1c tuy\u1ebfn \u0111\u01b0\u1eddng th\u00f4ng th\u01b0\u1eddng trong n\u01b0\u1edbc. L\u1edbp m\u1ea1 k\u1ebdm ti\u00eau chu\u1ea9n 550g\/\u33a1 ch\u1ec9 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c khu v\u1ef1c n\u1ed9i \u0111\u1ecba kh\u00f4 r\u00e1o. \u0110\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n \u0111\u01b0\u1eddng cao t\u1ed1c ven bi\u1ec3n v\u00e0 tr\u00ean \u0111\u1ea3o, L\u1edbp m\u1ea1 k\u1ebdm d\u00e0y 1100g\/m\u00b2\u20131200g\/m\u00b2<\/strong> l\u00e0 \u0111i\u1ec1u ki\u1ec7n c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o tu\u1ed5i th\u1ecd ho\u1ea1t \u0111\u1ed9ng t\u1eeb 15 \u0111\u1ebfn 20 n\u0103m m\u00e0 kh\u00f4ng c\u1ea7n b\u1ea3o tr\u00ec.<\/p>\n\n\n\n

C\u00e1c lan can m\u1ea1 k\u1ebdm ti\u00eau chu\u1ea9n xu\u1ea5t kh\u1ea9u c\u00f3 l\u1edbp m\u1ea1 k\u1ebdm \u0111\u1ed3ng \u0111\u1ec1u, kh\u00f4ng b\u1ecb thi\u1ebfu m\u1ea1, kh\u00f4ng c\u00f3 v\u1ebft l\u1ed3i l\u00f5m v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt t\u1ea1i c\u00e1c v\u1ecb tr\u00ed u\u1ed1n cong v\u00e0 \u0111\u1ee5c l\u1ed7. M\u1ed9t s\u1ed1 nh\u00e0 m\u00e1y s\u1eed d\u1ee5ng quy tr\u00ecnh m\u1ea1 k\u1ebdm th\u1ee9 c\u1ea5p gi\u00e1 r\u1ebb, tuy tr\u00f4ng t\u01b0\u01a1ng t\u1ef1 v\u1ec1 m\u1eb7t h\u00ecnh th\u1ee9c nh\u01b0ng l\u1ea1i b\u1ecb oxy h\u00f3a nhanh ch\u00f3ng trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n \u0111\u01b0\u1eddng bi\u1ec3n v\u00e0 kh\u00f4ng \u0111\u1ea1t y\u00eau c\u1ea7u ki\u1ec3m tra c\u1ee7a d\u1ef1 \u00e1n.<\/p>\n\n\n\n

T\u1ea5t c\u1ea3 c\u00e1c lan can xu\u1ea5t kh\u1ea9u c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec1u tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf ISO 1461. Ch\u00fang t\u00f4i cung c\u1ea5p B\u00e1o c\u00e1o th\u1eed nghi\u1ec7m l\u1edbp k\u1ebdm c\u1ee7a SGS, ch\u1ee9ng ch\u1ec9 th\u1eed nghi\u1ec7m phun mu\u1ed1i v\u00e0 b\u00e1o c\u00e1o th\u1eed nghi\u1ec7m t\u1ea1i nh\u00e0 m\u00e1y<\/strong> \u0111\u1ec3 ki\u1ec3m tra theo l\u00f4, l\u00e0m th\u1ee7 t\u1ee5c h\u1ea3i quan v\u00e0 ph\u00ea duy\u1ec7t d\u1ef1 \u00e1n.<\/p>\n\n\n\n

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

D\u00e0nh cho kh\u00e1ch h\u00e0ng n\u01b0\u1edbc ngo\u00e0i: \u0110\u1ed9 d\u00e0y th\u00e9p quy\u1ebft \u0111\u1ecbnh kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp; \u0111\u1ed9 d\u00e0y l\u1edbp m\u1ea1 k\u1ebdm quy\u1ebft \u0111\u1ecbnh tu\u1ed5i th\u1ecd c\u1ee7a c\u00f4ng tr\u00ecnh.<\/strong> Vi\u1ec7c l\u1ef1a ch\u1ecdn c\u1ea5p \u0111\u1ed9 m\u1ea1 k\u1ebdm ph\u00f9 h\u1ee3p s\u1ebd gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed b\u1ea3o tr\u00ec sau thi c\u00f4ng v\u00e0 n\u00e2ng cao t\u1ef7 l\u1ec7 ch\u1ea5p nh\u1eadn d\u1ef1 \u00e1n.<\/p>","protected":false},"excerpt":{"rendered":"

In overseas highway guardrail procurement projects, the most critical factor affecting service life is the hot-dip galvanizing quality. Many low-cost guardrails get rusty, peeling and white spots within 1\u20132 years, which is not caused by steel thickness, but by unqualified galvanizing treatment. Export guardrails need to withstand long ocean transportation, high salt spray, humid climate, […]<\/p>","protected":false},"author":1,"featured_media":8007,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"Export Guardrail Galvanizing Layer Quality Control | AASHTO EN1317 Hot Dip Zinc Coating","_seopress_titles_desc":"Learn why strict galvanizing layer quality inspection is critical for export highway guardrails. Our HDG zinc coating meets EN1317 & AASHTO standards, anti-rust for long-term global road projects. Custom zinc thickness available.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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