{"id":30356,"date":"2026-02-13T23:00:55","date_gmt":"2026-02-13T16:00:55","guid":{"rendered":"https:\/\/coupler.vn\/?p=30356"},"modified":"2026-02-13T23:18:55","modified_gmt":"2026-02-13T16:18:55","slug":"tcvn-13711-noi-thep-bang-ong-ren","status":"publish","type":"post","link":"https:\/\/coupler.vn\/vi\/tcvn-13711-noi-thep-bang-ong-ren\/","title":{"rendered":"TCVN 13711 n\u1ed1i th\u00e9p b\u1eb1ng \u1ed1ng ren"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"30356\" class=\"elementor elementor-30356\">\n\t\t\t\t<div class=\"default no-position show_shadow rs-sticky-default elementor-element elementor-element-7f9a8a5f e-flex e-con-boxed e-con e-parent\" data-id=\"7f9a8a5f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\r\n\t\t\t\t<div class=\"elementor-element elementor-element-327ea25a elementor-widget elementor-widget-text-editor\" data-id=\"327ea25a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\"><p>\u00a0<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\r\n\t\t<div class=\"default no-position show_shadow rs-sticky-default elementor-element elementor-element-1b6065e e-flex e-con-boxed e-con e-parent\" data-id=\"1b6065e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\r\n\t\t\t\t<div class=\"elementor-element elementor-element-b8847f5 elementor-widget elementor-widget-text-editor\" data-id=\"b8847f5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4 data-path-to-node=\"4\"><span style=\"color: #0000ff;\">TCVN 13711-2:2023: TI\u00caU CHU\u1ea8N M\u1edaI NH\u1ea4T V\u1ec0 TH\u1eec NGHI\u1ec6M M\u1ed0I N\u1ed0I TH\u00c9P B\u1eb0NG \u1ed0NG REN (COUPLER)<\/span><\/h4>\n<p data-path-to-node=\"5\">Trong ng\u00e0nh x\u00e2y d\u1ef1ng hi\u1ec7n \u0111\u1ea1i, vi\u1ec7c chuy\u1ec3n d\u1ecbch t\u1eeb c\u00e1c ti\u00eau chu\u1ea9n c\u0169 sang c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf h\u00f3a l\u00e0 xu th\u1ebf t\u1ea5t y\u1ebfu. <b data-path-to-node=\"5\" data-index-in-node=\"120\">TCVN 13711-2:2023<\/b> ch\u00ednh l\u00e0 b\u01b0\u1edbc ngo\u1eb7t quan tr\u1ecdng, thi\u1ebft l\u1eadp c\u00e1c quy t\u1eafc kh\u1eaft khe h\u01a1n cho vi\u1ec7c th\u1eed nghi\u1ec7m m\u1ed1i n\u1ed1i c\u01a1 kh\u00ed (Coupler).<\/p>\n<p data-path-to-node=\"6\">T\u1ea1i <b data-path-to-node=\"6\" data-index-in-node=\"4\">Coupler.vn<\/b>, ch\u00fang t\u00f4i lu\u00f4n ti\u00ean phong c\u1eadp nh\u1eadt c\u00e1c gi\u1ea3i ph\u00e1p n\u1ed1i th\u00e9p \u0111\u00e1p \u1ee9ng tr\u1ecdn v\u1eb9n ti\u00eau chu\u1ea9n m\u1edbi nh\u1ea5t n\u00e0y.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\r\n\t\t<div class=\"default no-position show_shadow rs-sticky-default elementor-element elementor-element-5836bf7 e-flex e-con-boxed e-con e-parent\" data-id=\"5836bf7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\r\n\t\t\t\t<div class=\"elementor-element elementor-element-897d0dc elementor-widget elementor-widget-text-editor\" data-id=\"897d0dc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4 data-path-to-node=\"8\"><span style=\"color: #0000ff;\">1. TCVN 13711-2:2023 l\u00e0 g\u00ec?<\/span><\/h4>\n<p data-path-to-node=\"9\"><b data-path-to-node=\"9\" data-index-in-node=\"0\">TCVN 13711-2:2023<\/b> c\u00f3 t\u00ean \u0111\u1ea7y \u0111\u1ee7 l\u00e0: <i data-path-to-node=\"9\" data-index-in-node=\"36\">Th\u00e9p c\u1ed1t b\u00ea t\u00f4ng &#8211; M\u1ed1i n\u1ed1i b\u1eb1ng \u1ed1ng ren &#8211; Ph\u1ea7n 2: Ph\u01b0\u01a1ng ph\u00e1p th\u1eed<\/i>.<\/p>\n<p data-path-to-node=\"10\">\u0110\u00e2y l\u00e0 b\u1ed9 ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean s\u1ef1 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng ho\u00e0n to\u00e0n v\u1edbi <b data-path-to-node=\"10\" data-index-in-node=\"73\">ISO 15835-2:2018<\/b>. S\u1ef1 ra \u0111\u1eddi c\u1ee7a ti\u00eau chu\u1ea9n n\u00e0y ch\u00ednh th\u1ee9c <b data-path-to-node=\"10\" data-index-in-node=\"131\">thay th\u1ebf \u0110i\u1ec1u 8 v\u00e0 Ph\u1ee5 l\u1ee5c A c\u1ee7a TCVN 8163:2009<\/b> tr\u01b0\u1edbc \u0111\u00e2y, nh\u1eb1m \u0111\u1ed3ng b\u1ed9 h\u00f3a ch\u1ea5t l\u01b0\u1ee3ng m\u1ed1i n\u1ed1i ren t\u1ea1i Vi\u1ec7t Nam v\u1edbi ti\u00eau chu\u1ea9n to\u00e0n c\u1ea7u.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\r\n\t\t<div class=\"default no-position show_shadow rs-sticky-default elementor-element elementor-element-392541d e-flex e-con-boxed e-con e-parent\" data-id=\"392541d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\r\n\t\t\t\t<div class=\"elementor-element elementor-element-e3319e3 elementor-widget elementor-widget-text-editor\" data-id=\"e3319e3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4 data-path-to-node=\"12\"><span style=\"color: #0000ff;\">2. Nh\u1eefng thay \u0111\u1ed5i tr\u1ecdng y\u1ebfu so v\u1edbi ti\u00eau chu\u1ea9n c\u0169 TCVN 8163:2009<\/span><\/h4>\n<p data-path-to-node=\"13\">N\u1ebfu nh\u01b0 TCVN 8163:2009 c\u00f2n nh\u1eefng h\u1ea1n ch\u1ebf v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p \u0111o l\u01b0\u1eddng, th\u00ec TCVN 13711-2:2023 mang \u0111\u1ebfn s\u1ef1 chi ti\u1ebft v\u00e0 chu\u1ea9n x\u00e1c v\u01b0\u1ee3t tr\u1ed9i:<\/p>\n<ul data-path-to-node=\"14\">\n<li>\n<p data-path-to-node=\"14,0,0\"><b data-path-to-node=\"14,0,0\" data-index-in-node=\"0\">T\u00ednh qu\u1ed1c t\u1ebf:<\/b> Ho\u00e0n to\u00e0n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi ISO, gi\u00fap s\u1ea3n ph\u1ea9m d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn t\u1ea1i c\u00e1c d\u1ef1 \u00e1n v\u1ed1n n\u01b0\u1edbc ngo\u00e0i (FDI).<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"14,1,0\"><b data-path-to-node=\"14,1,0\" data-index-in-node=\"0\">\u0110\u1ed9 ch\u00ednh x\u00e1c cao:<\/b> Quy \u0111\u1ecbnh c\u1ee5 th\u1ec3 v\u1ec1 thi\u1ebft b\u1ecb \u0111o, v\u1ecb tr\u00ed \u0111\u1eb7t thi\u1ebft b\u1ecb \u0111o bi\u1ebfn d\u1ea1ng \u0111\u1ec3 tri\u1ec7t ti\u00eau sai s\u1ed1.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"14,2,0\"><b data-path-to-node=\"14,2,0\" data-index-in-node=\"0\">Ph\u00e2n t\u00e1ch r\u00f5 r\u00e0ng:<\/b> Chia b\u1ed9 ti\u00eau chu\u1ea9n th\u00e0nh 3 ph\u1ea7n (Y\u00eau c\u1ea7u \u2013 Ph\u01b0\u01a1ng ph\u00e1p th\u1eed \u2013 \u0110\u00e1nh gi\u00e1 s\u1ef1 ph\u00f9 h\u1ee3p) gi\u00fap vi\u1ec7c qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng minh b\u1ea1ch h\u01a1n.<\/p>\n<\/li>\n<\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\r\n\t\t<div class=\"default no-position show_shadow rs-sticky-default elementor-element elementor-element-d9cd083 e-flex e-con-boxed e-con e-parent\" data-id=\"d9cd083\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\r\n\t\t\t\t<div class=\"elementor-element elementor-element-759156d elementor-widget elementor-widget-text-editor\" data-id=\"759156d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4 data-path-to-node=\"16\"><span style=\"color: #0000ff;\">. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m c\u1ed1t l\u00f5i theo TCVN 13711-2:2023<\/span><\/h4>\n<p data-path-to-node=\"17\">\u0110\u1ec3 m\u1ed9t m\u1ed1i n\u1ed1i Coupler \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn \u0111\u1ea1t chu\u1ea9n, n\u00f3 ph\u1ea3i v\u01b0\u1ee3t qua c\u00e1c b\u00e0i ki\u1ec3m tra nghi\u00eam ng\u1eb7t sau:<\/p>\n<h4 data-path-to-node=\"18\"><span style=\"color: #0000ff;\">3.1. Th\u1eed k\u00e9o t\u0129nh v\u00e0 x\u00e1c \u0111\u1ecbnh gi\u1edbi h\u1ea1n b\u1ec1n (Tensile Test)<\/span><\/h4>\n<p data-path-to-node=\"19\">B\u00e0i th\u1eed nghi\u1ec7m n\u00e0y x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c c\u1ef1c h\u1ea1n c\u1ee7a m\u1ed1i n\u1ed1i. Ti\u00eau chu\u1ea9n y\u00eau c\u1ea7u \u0111o \u1ee9ng su\u1ea5t t\u1ea1i c\u00e1c \u0111i\u1ec3m c\u1ee5 th\u1ec3 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ed1i n\u1ed1i kh\u00f4ng b\u1ecb ph\u00e1 h\u1ee7y tr\u01b0\u1edbc khi thanh th\u00e9p \u0111\u1ea1t gi\u1edbi h\u1ea1n b\u1ec1n quy \u0111\u1ecbnh.<\/p>\n<h4 data-path-to-node=\"20\"><span style=\"color: #0000ff;\">3.2. Th\u1eed nghi\u1ec7m \u0111\u1ed9 tr\u01b0\u1ee3t (Slip Test) \u2013 Ch\u1ec9 ti\u00eau quan tr\u1ecdng nh\u1ea5t<\/span><\/h4>\n<p data-path-to-node=\"21\">\u0110\u1ed9 tr\u01b0\u1ee3t (bi\u1ebfn d\u1ea1ng kh\u00f4ng \u0111\u00e0n h\u1ed3i) l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a k\u1ebft c\u1ea5u. TCVN 13711-2:2023 h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch \u0111o \u0111\u1ed9 tr\u01b0\u1ee3t sau khi gia t\u1ea3i v\u00e0 h\u1ea1 t\u1ea3i.<\/p>\n<ul data-path-to-node=\"22\">\n<li>\n<p data-path-to-node=\"22,0,0\"><b data-path-to-node=\"22,0,0\" data-index-in-node=\"0\">Y\u00eau c\u1ea7u:<\/b> \u0110\u1ed9 tr\u01b0\u1ee3t ph\u1ea3i n\u1eb1m trong gi\u1edbi h\u1ea1n cho ph\u00e9p (th\u01b0\u1eddng l\u00e0 <span class=\"math-inline\" data-math=\"\\le 0,1\" data-index-in-node=\"62\">$\\le 0,1$<\/span> mm) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng g\u00e2y n\u1ee9t b\u00ea t\u00f4ng t\u1ea1i v\u1ecb tr\u00ed n\u1ed1i.<\/p>\n<\/li>\n<\/ul>\n<h4 data-path-to-node=\"23\"><span style=\"color: #0000ff;\">3.3. Th\u1eed nghi\u1ec7m m\u1ecfi (Fatigue Testing)<\/span><\/h4>\n<p data-path-to-node=\"24\">D\u00e0nh cho c\u00e1c c\u00f4ng tr\u00ecnh ch\u1ecbu t\u1ea3i tr\u1ecdng l\u1eb7p (c\u1ea7u c\u1ea3ng, h\u1ea7m metro):<\/p>\n<ul data-path-to-node=\"25\">\n<li>\n<p data-path-to-node=\"25,0,0\"><b data-path-to-node=\"25,0,0\" data-index-in-node=\"0\">M\u1ecfi chu k\u1ef3 cao:<\/b> Th\u1eed nghi\u1ec7m d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a h\u00e0ng tri\u1ec7u chu k\u1ef3 bi\u1ebfn d\u1ea1ng nh\u1ecf.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"25,1,0\"><b data-path-to-node=\"25,1,0\" data-index-in-node=\"0\">M\u1ecfi chu k\u1ef3 th\u1ea5p:<\/b> Th\u1eed nghi\u1ec7m kh\u1ea3 n\u0103ng kh\u00e1ng ch\u1ea5n c\u1ee7a m\u1ed1i n\u1ed1i d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng bi\u1ebfn d\u1ea1ng l\u1edbn l\u1eb7p l\u1ea1i.<\/p>\n<\/li>\n<\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\r\n\t\t<div class=\"default no-position show_shadow rs-sticky-default elementor-element elementor-element-c35cdee e-flex e-con-boxed e-con e-parent\" data-id=\"c35cdee\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\r\n\t\t\t\t<div class=\"elementor-element elementor-element-ed855b0 elementor-widget elementor-widget-text-editor\" data-id=\"ed855b0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4 data-path-to-node=\"27\"><span style=\"color: #0000ff;\">4. Quy tr\u00ecnh chu\u1ea9n b\u1ecb m\u1eabu th\u1eed \u0111\u1ea1t chu\u1ea9n<\/span><\/h4>\n<p data-path-to-node=\"28\">Theo m\u1ee5c 5 c\u1ee7a t\u00e0i li\u1ec7u, vi\u1ec7c chu\u1ea9n b\u1ecb m\u1eabu c\u1ea7n tu\u00e2n th\u1ee7:<\/p>\n<ul data-path-to-node=\"29\">\n<li>\n<p data-path-to-node=\"29,0,0\">Thanh th\u00e9p d\u00f9ng \u0111\u1ec3 th\u1eed ph\u1ea3i l\u00e0 thanh chu\u1ea9n (tham chi\u1ebfu) c\u00f9ng l\u00f4.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"29,1,0\">Chi\u1ec1u d\u00e0i \u0111o\u1ea1n thanh t\u1ef1 do gi\u1eefa c\u00e1c d\u1ee5ng c\u1ee5 k\u1eb9p ph\u1ea3i \u0111\u1ee7 l\u1edbn \u0111\u1ec3 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3 \u0111o bi\u1ebfn d\u1ea1ng.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"29,2,0\">D\u1ee5ng c\u1ee5 \u0111o (gi\u00e3n k\u1ebf) ph\u1ea3i c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ef1c cao (lo\u1ea1i 1 ho\u1eb7c h\u01a1n).<\/p>\n<\/li>\n<\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\r\n\t\t<div class=\"default no-position show_shadow rs-sticky-default elementor-element elementor-element-0e838cc e-flex e-con-boxed e-con e-parent\" data-id=\"0e838cc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\r\n\t\t\t\t<div class=\"elementor-element elementor-element-7c179f4 elementor-widget elementor-widget-text-editor\" data-id=\"7c179f4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4 data-path-to-node=\"31\"><span style=\"color: #0000ff;\">5. T\u1ea1i sao nh\u00e0 th\u1ea7u n\u00ean l\u1ef1a ch\u1ecdn Coupler \u0111\u1ea1t chu\u1ea9n TCVN 13711?<\/span><\/h4>\n<p data-path-to-node=\"32\">Vi\u1ec7c s\u1eed d\u1ee5ng s\u1ea3n ph\u1ea9m \u0111\u00e1p \u1ee9ng <b data-path-to-node=\"32\" data-index-in-node=\"30\">TCVN 13711-2:2023<\/b> kh\u00f4ng ch\u1ec9 l\u00e0 tu\u00e2n th\u1ee7 ph\u00e1p lu\u1eadt m\u00e0 c\u00f2n mang l\u1ea1i gi\u00e1 tr\u1ecb th\u1ef1c t\u1ebf:<\/p>\n<ol start=\"1\" data-path-to-node=\"33\">\n<li>\n<p data-path-to-node=\"33,0,0\"><b data-path-to-node=\"33,0,0\" data-index-in-node=\"0\">\u0110\u1ea3m b\u1ea3o nghi\u1ec7m thu:<\/b> D\u1ec5 d\u00e0ng v\u01b0\u1ee3t qua c\u00e1c b\u01b0\u1edbc ki\u1ec3m tra c\u1ee7a t\u01b0 v\u1ea5n gi\u00e1m s\u00e1t v\u00e0 \u0111\u01a1n v\u1ecb th\u00ed nghi\u1ec7m \u0111\u1ed9c l\u1eadp.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"33,1,0\"><b data-path-to-node=\"33,1,0\" data-index-in-node=\"0\">An to\u00e0n k\u1ebft c\u1ea5u:<\/b> Tri\u1ec7t ti\u00eau r\u1ee7i ro bi\u1ebfn d\u1ea1ng d\u01b0 g\u00e2y n\u1ee9t v\u1ee1 b\u1ec1 m\u1eb7t b\u00ea t\u00f4ng.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"33,2,0\"><b data-path-to-node=\"33,2,0\" data-index-in-node=\"0\">Uy t\u00edn d\u1ef1 \u00e1n:<\/b> Kh\u1eb3ng \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh th\u00f4ng qua vi\u1ec7c s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u \u0111\u1ea1t chu\u1ea9n qu\u1ed1c t\u1ebf.<\/p>\n<\/li>\n<\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\r\n\t\t<div class=\"default no-position show_shadow rs-sticky-default elementor-element elementor-element-56f14c0 e-flex e-con-boxed e-con e-parent\" data-id=\"56f14c0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\r\n\t\t\t\t<div class=\"elementor-element elementor-element-a9eeb90 elementor-widget elementor-widget-text-editor\" data-id=\"a9eeb90\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4 data-path-to-node=\"35\"><span style=\"color: #0000ff;\">Coupler.vn \u2013 \u0110\u01a1n v\u1ecb cung c\u1ea5p gi\u1ea3i ph\u00e1p n\u1ed1i th\u00e9p h\u00e0ng \u0111\u1ea7u \u0111\u1ea1t chu\u1ea9n 13711<\/span><\/h4>\n<p data-path-to-node=\"36\">Ch\u00fang t\u00f4i cam k\u1ebft cung c\u1ea5p c\u00e1c lo\u1ea1i <b data-path-to-node=\"36\" data-index-in-node=\"36\">kh\u1edbp n\u1ed1i \u1ed1ng ren (Coupler)<\/b> \u0111\u1ea1t \u0111\u1ea7y \u0111\u1ee7 c\u00e1c ch\u1ec9 ti\u00eau th\u1eed nghi\u1ec7m theo <b data-path-to-node=\"36\" data-index-in-node=\"103\">TCVN 13711-2:2023 \/ ISO 15835-2:2018<\/b>.<\/p>\n<ul data-path-to-node=\"37\">\n<li>\n<p data-path-to-node=\"37,0,0\"><b data-path-to-node=\"37,0,0\" data-index-in-node=\"0\">S\u1ea3n ph\u1ea9m:<\/b> \u0110a d\u1ea1ng k\u00edch th\u01b0\u1edbc D16 &#8211; D40.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"37,1,0\"><b data-path-to-node=\"37,1,0\" data-index-in-node=\"0\">H\u1ed3 s\u01a1:<\/b> \u0110\u1ea7y \u0111\u1ee7 ch\u1ee9ng ch\u1ec9 xu\u1ea5t x\u01b0\u1edfng, k\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m k\u00e9o m\u1eabu v\u00e0 \u0111\u1ed9 tr\u01b0\u1ee3t.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"37,2,0\"><b data-path-to-node=\"37,2,0\" data-index-in-node=\"0\">H\u1ed7 tr\u1ee3:<\/b> T\u01b0 v\u1ea5n bi\u1ec7n ph\u00e1p thi c\u00f4ng v\u00e0 th\u00ed nghi\u1ec7m t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng.<\/p>\n<\/li>\n<\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\r\n\t\t<div class=\"default no-position show_shadow rs-sticky-default elementor-element elementor-element-8470038 e-flex e-con-boxed e-con e-parent\" data-id=\"8470038\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\r\n\t\t\t\t<div class=\"elementor-element elementor-element-6816bae elementor-widget elementor-widget-text-editor\" data-id=\"6816bae\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4 style=\"text-align: center;\"><span style=\"color: #ff0000;\">[LI\u00caN H\u1ec6 B\u00c1O GI\u00c1 &amp; NH\u1eacN CATALOGUE M\u1edaI NH\u1ea4T]<\/span><\/h4>\n<ul>\n<li>\n<p data-path-to-node=\"41,0,0\"><b data-path-to-node=\"41,0,0\" data-index-in-node=\"0\">Hotline\/Zalo:<\/b> [+84-0989909715 \/ +84-0927662665]<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"41,1,0\"><b data-path-to-node=\"41,1,0\" data-index-in-node=\"0\">Email:<\/b> info@fsc.net.vn<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"41,2,0\"><b data-path-to-node=\"41,2,0\" data-index-in-node=\"0\">Website:<\/b> <a class=\"ng-star-inserted\" href=\"https:\/\/coupler.vn\/vi\/\" target=\"_blank\" rel=\"noopener\" data-hveid=\"0\" data-ved=\"0CAAQ_4QMahgKEwi0_7-iitaSAxUAAAAAHQAAAAAQ9wI\">https:\/\/coupler.vn<\/a><\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"41,3,0\"><b data-path-to-node=\"41,3,0\" data-index-in-node=\"0\">\u0110\u1ecba ch\u1ec9:<\/b> [th\u00f4 Qu\u00fd D\u01b0\u01a1ng, x\u00e3 Mao \u0110i\u1ec1n,th\u00e0nh ph\u1ed1 H\u1ea3i Ph\u00f2ng, Vi\u1ec7t Nam]<\/p>\n<\/li>\n<\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>\u00a0 TCVN 13711-2:2023: TI\u00caU CHU\u1ea8N M\u1edaI NH\u1ea4T V\u1ec0 TH\u1eec NGHI\u1ec6M M\u1ed0I N\u1ed0I TH\u00c9P B\u1eb0NG \u1ed0NG REN (COUPLER) Trong ng\u00e0nh x\u00e2y d\u1ef1ng hi\u1ec7n \u0111\u1ea1i, vi\u1ec7c chuy\u1ec3n d\u1ecbch t\u1eeb c\u00e1c ti\u00eau chu\u1ea9n c\u0169 sang c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf h\u00f3a l\u00e0 xu th\u1ebf t\u1ea5t y\u1ebfu. TCVN 13711-2:2023 ch\u00ednh l\u00e0 b\u01b0\u1edbc ngo\u1eb7t quan tr\u1ecdng, thi\u1ebft l\u1eadp c\u00e1c quy&#8230;<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[112,113,114,100,115,116],"tags":[],"class_list":["post-30356","post","type-post","status-publish","format-standard","hentry","category-company","category-gas-oil","category-industry","category-kinh-doanh","category-manufacture","category-oil-factory"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>TCVN 13711 n\u1ed1i th\u00e9p b\u1eb1ng \u1ed1ng ren - COUPLER.,LTD<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/coupler.vn\/vi\/tcvn-13711-noi-thep-bang-ong-ren\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"TCVN 13711 n\u1ed1i th\u00e9p b\u1eb1ng \u1ed1ng ren - COUPLER.,LTD\" \/>\n<meta property=\"og:description\" content=\"\u00a0 TCVN 13711-2:2023: TI\u00caU CHU\u1ea8N M\u1edaI NH\u1ea4T V\u1ec0 TH\u1eec NGHI\u1ec6M M\u1ed0I N\u1ed0I TH\u00c9P B\u1eb0NG \u1ed0NG REN (COUPLER) Trong ng\u00e0nh x\u00e2y d\u1ef1ng hi\u1ec7n \u0111\u1ea1i, vi\u1ec7c chuy\u1ec3n d\u1ecbch t\u1eeb c\u00e1c ti\u00eau chu\u1ea9n c\u0169 sang c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf h\u00f3a l\u00e0 xu th\u1ebf t\u1ea5t y\u1ebfu. 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