{"id":30378,"date":"2026-02-15T15:57:37","date_gmt":"2026-02-15T08:57:37","guid":{"rendered":"https:\/\/coupler.vn\/?p=30378"},"modified":"2026-02-15T16:04:56","modified_gmt":"2026-02-15T09:04:56","slug":"tcvn-13711-22023-tieu-chuan-phuong-phap-thu-coupler-noi-thep-moi-nhat","status":"publish","type":"post","link":"https:\/\/coupler.vn\/vi\/tcvn-13711-22023-tieu-chuan-phuong-phap-thu-coupler-noi-thep-moi-nhat\/","title":{"rendered":"TCVN 13711-2:2023 \u2013 Ti\u00eau Chu\u1ea9n Ph\u01b0\u01a1ng Ph\u00e1p Th\u1eed Coupler N\u1ed1i Th\u00e9p M\u1edbi Nh\u1ea5t"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"30378\" class=\"elementor elementor-30378\">\n\t\t\t\t<div class=\"default no-position show_shadow rs-sticky-default elementor-element elementor-element-6dbb0cba e-flex e-con-boxed e-con e-parent\" data-id=\"6dbb0cba\" 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-26493a00 elementor-widget elementor-widget-text-editor\" data-id=\"26493a00\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\"><\/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-1ef6b8a e-flex e-con-boxed e-con e-parent\" data-id=\"1ef6b8a\" 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-8cde20a elementor-widget elementor-widget-text-editor\" data-id=\"8cde20a\" 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 dir=\"auto\"><span style=\"color: #0000ff;\">TCVN 13711-2:2023 \u2013 Ti\u00eau Chu\u1ea9n Ph\u01b0\u01a1ng Ph\u00e1p Th\u1eed M\u1ed1i N\u1ed1i \u1ed0ng Ren (Coupler N\u1ed1i Th\u00e9p) M\u1edbi Nh\u1ea5t<\/span><\/h4>\n<p dir=\"auto\"><strong>TCVN 13711-2:2023<\/strong> (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng <strong>ISO 15835-2:2018<\/strong>) l\u00e0 ti\u00eau chu\u1ea9n qu\u1ed1c gia quan tr\u1ecdng nh\u1ea5t hi\u1ec7n nay quy \u0111\u1ecbnh <strong>ph\u01b0\u01a1ng ph\u00e1p th\u1eed<\/strong> cho <strong>kh\u1edbp n\u1ed1i ren th\u00e9p<\/strong> (coupler n\u1ed1i th\u00e9p, \u1ed1ng n\u1ed1i ren c\u1ed1t b\u00ea t\u00f4ng). Ti\u00eau chu\u1ea9n n\u00e0y thay th\u1ebf m\u1ed9t ph\u1ea7n c\u1ee7a TCVN 8163:2009 v\u00e0 l\u00e0 c\u01a1 s\u1edf b\u1eaft bu\u1ed9c \u0111\u1ec3 ch\u1ee9ng minh <strong>coupler \u0111\u1ea1t 100% c\u01b0\u1eddng \u0111\u1ed9 thanh th\u00e9p g\u1ed1c<\/strong>.<\/p>\n<p dir=\"auto\">T\u1ea1i <strong>VNFAS.,JSC B\u1eafc Ninh<\/strong>, t\u1ea5t c\u1ea3 s\u1ea3n ph\u1ea9m <strong>kh\u1edbp n\u1ed1i ren th\u00e9p<\/strong> \u0111\u1ec1u \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m nghi\u00eam ng\u1eb7t theo \u0111\u00fang TCVN 13711-2:2023 tr\u01b0\u1edbc khi xu\u1ea5t x\u01b0\u1edfng.<\/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-cf78f36 e-flex e-con-boxed e-con e-parent\" data-id=\"cf78f36\" 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-a92b086 elementor-widget elementor-widget-text-editor\" data-id=\"a92b086\" 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 dir=\"auto\"><span style=\"color: #0000ff;\">TCVN 13711-2:2023 L\u00e0 G\u00ec? T\u1ea1i Sao Quan Tr\u1ecdng?<\/span><\/h4>\n<p dir=\"auto\">TCVN 13711 g\u1ed3m 3 ph\u1ea7n:<\/p>\n<ul dir=\"auto\">\n<li><strong>Ph\u1ea7n 1<\/strong>: Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt (\u0111\u00e3 ban h\u00e0nh)<\/li>\n<li><strong>Ph\u1ea7n 2<\/strong>: <strong>Ph\u01b0\u01a1ng ph\u00e1p th\u1eed<\/strong> (TCVN 13711-2:2023) \u2190 \u0110\u00e2y l\u00e0 n\u1ed9i dung b\u00e0i vi\u1ebft<\/li>\n<li><strong>Ph\u1ea7n 3<\/strong>: Ch\u01b0\u01a1ng tr\u00ecnh \u0111\u00e1nh gi\u00e1 s\u1ef1 ph\u00f9 h\u1ee3p<\/li>\n<\/ul>\n<p dir=\"auto\">Ti\u00eau chu\u1ea9n n\u00e0y quy \u0111\u1ecbnh <strong>4 ph\u01b0\u01a1ng ph\u00e1p th\u1eed ch\u00ednh<\/strong> \u0111\u1ec3 ki\u1ec3m tra kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c, \u0111\u1ed9 tr\u01b0\u1ee3t, m\u1ecfi v\u00e0 \u0111\u1ed9ng \u0111\u1ea5t c\u1ee7a m\u1ed1i n\u1ed1i coupler. Ch\u1ec9 coupler n\u00e0o v\u01b0\u1ee3t qua to\u00e0n b\u1ed9 c\u00e1c th\u1eed nghi\u1ec7m n\u00e0y m\u1edbi \u0111\u01b0\u1ee3c coi l\u00e0 \u0111\u1ea1t chu\u1ea9n v\u00e0 s\u1eed d\u1ee5ng an to\u00e0n cho c\u00f4ng tr\u00ecnh.<\/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-f949bcd e-flex e-con-boxed e-con e-parent\" data-id=\"f949bcd\" 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-e7366b2 elementor-widget elementor-widget-text-editor\" data-id=\"e7366b2\" 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 dir=\"auto\"><span style=\"color: #0000ff;\">4 Ph\u01b0\u01a1ng Ph\u00e1p Th\u1eed Theo TCVN 13711-2:2023<\/span><\/h4>\n<h5 dir=\"auto\"><span style=\"color: #0000ff;\">1. Th\u1eed K\u00e9o (Tensile Test)<\/span><\/h5>\n<ul dir=\"auto\">\n<li>M\u1ee5c \u0111\u00edch: X\u00e1c \u0111\u1ecbnh gi\u1edbi h\u1ea1n b\u1ec1n, \u0111\u1ed9 gi\u00e3n d\u00e0i A_gt v\u00e0 v\u1ecb tr\u00ed ph\u00e1 h\u1ee7y.<\/li>\n<li>Y\u00eau c\u1ea7u: M\u1ed1i n\u1ed1i ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c l\u1ef1c k\u00e9o t\u01b0\u01a1ng \u0111\u01b0\u01a1ng ho\u1eb7c l\u1edbn h\u01a1n thanh th\u00e9p g\u1ed1c.<\/li>\n<li>Ph\u00e1 h\u1ee7y ch\u1ea5p nh\u1eadn: C\u00f3 th\u1ec3 x\u1ea3y ra trong thanh th\u00e9p (b\u00ean ngo\u00e0i coupler) ho\u1eb7c trong coupler nh\u01b0ng ph\u1ea3i \u0111\u1ea1t c\u01b0\u1eddng \u0111\u1ed9 y\u00eau c\u1ea7u.<\/li>\n<li>\u00c1p d\u1ee5ng: Ki\u1ec3m tra kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c t\u0129nh c\u1ee7a coupler d\u00f9ng cho c\u1ed9t, d\u1ea7m, t\u01b0\u1eddng v\u00e1ch.<\/li>\n<\/ul>\n<h5 dir=\"auto\"><span style=\"color: #0000ff;\">2. Th\u1eed \u0110\u1ed9 Tr\u01b0\u1ee3t (Slip Test)<\/span><\/h5>\n<ul dir=\"auto\">\n<li>M\u1ee5c \u0111\u00edch: \u0110o \u0111\u1ed9 tr\u01b0\u1ee3t t\u01b0\u01a1ng \u0111\u1ed1i gi\u1eefa thanh th\u00e9p v\u00e0 coupler d\u01b0\u1edbi t\u1ea3i tr\u1ecdng.<\/li>\n<li>C\u00f3 2 ph\u00e9p \u0111o t\u00f9y ch\u1ecdn:\n<ul dir=\"auto\">\n<li>Ph\u00e9p 1: \u0110o d\u01b0\u1edbi t\u1ea3i 0,6 ReH,spec<\/li>\n<li>Ph\u00e9p 2: \u0110o sau khi th\u1ea3 t\u1ea3i<\/li>\n<\/ul>\n<\/li>\n<li>Y\u00eau c\u1ea7u nghi\u00eam ng\u1eb7t: \u0110\u1ed9 tr\u01b0\u1ee3t r\u1ea5t nh\u1ecf (th\u01b0\u1eddng &lt; 0,1 mm) \u2192 \u0111\u1ea3m b\u1ea3o m\u1ed1i n\u1ed1i g\u1ea7n nh\u01b0 li\u1ec1n kh\u1ed1i.<\/li>\n<li>R\u1ea5t quan tr\u1ecdng cho c\u1ecdc nh\u1ed3i v\u00e0 th\u00e9p ch\u1edd.<\/li>\n<\/ul>\n<h5 dir=\"auto\"><span style=\"color: #0000ff;\">3. Th\u1eed M\u1ecfi C\u00f3 Chu K\u1ef3 Cao (High Cycle Fatigue)<\/span><\/h5>\n<ul dir=\"auto\">\n<li>M\u1ee5c \u0111\u00edch: Ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n d\u01b0\u1edbi t\u1ea3i tr\u1ecdng l\u1eb7p l\u1ea1i (xe ch\u1ea1y, m\u00e1y m\u00f3c rung).<\/li>\n<li>Th\u1ef1c hi\u1ec7n t\u1ed1i thi\u1ec3u 12 m\u1eabu th\u1eed t\u1ea1i nhi\u1ec1u m\u1ee9c \u1ee9ng su\u1ea5t.<\/li>\n<li>X\u00e2y d\u1ef1ng bi\u1ec3u \u0111\u1ed3 S-N (S-N curve).<\/li>\n<li>\u0110\u1eb7c bi\u1ec7t quan tr\u1ecdng v\u1edbi c\u1ea7u \u0111\u01b0\u1eddng, s\u00e0n nh\u00e0 m\u00e1y, c\u00f4ng tr\u00ecnh ch\u1ecbu rung.<\/li>\n<\/ul>\n<h5 dir=\"auto\"><span style=\"color: #0000ff;\">4. Th\u1eed Ch\u1ecbu T\u1ea3i C\u00f3 Chu K\u1ef3 Th\u1ea5p (Low Cycle \u2013 M\u00f4 Ph\u1ecfng \u0110\u1ed9ng \u0110\u1ea5t)<\/span><\/h5>\n<ul dir=\"auto\">\n<li>\u0110\u00e2y l\u00e0 th\u1eed nghi\u1ec7m quan tr\u1ecdng nh\u1ea5t n\u0103m 2023\u20132026.<\/li>\n<li>M\u00f4 ph\u1ecfng chu k\u1ef3 t\u1ea3i k\u00e9o-n\u00e9n l\u1eb7p l\u1ea1i m\u1ea1nh (gi\u1ed1ng \u0111\u1ed9ng \u0111\u1ea5t).<\/li>\n<li>Quy tr\u00ecnh 4 giai \u0111o\u1ea1n: t\u1eeb 0,9 ReH \u2192 bi\u1ebfn d\u1ea1ng d\u1ebbo 2 l\u1ea7n \u2192 5 l\u1ea7n \u2192 \u0111\u1ebfn ph\u00e1 h\u1ee7y.<\/li>\n<li>Y\u00eau c\u1ea7u: Coupler ph\u1ea3i duy tr\u00ec kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c sau nhi\u1ec1u chu k\u1ef3 m\u1ea1nh.<\/li>\n<\/ul>\n<h4 dir=\"auto\"><span style=\"color: #0000ff;\">B\u1ea3ng T\u00f3m T\u1eaft C\u00e1c Th\u1eed Nghi\u1ec7m Theo TCVN 13711-2:2023<\/span><\/h4>\n<div>\n<div>\u00a0<\/div>\n<div dir=\"auto\">\n<div>\u00a0<\/div>\n<table dir=\"auto\">\n<thead>\n<tr>\n<th data-col-size=\"sm\"><span style=\"color: #0000ff;\">Ph\u01b0\u01a1ng ph\u00e1p th\u1eed<\/span><\/th>\n<th data-col-size=\"sm\"><span style=\"color: #0000ff;\">M\u1ee5c \u0111\u00edch ch\u00ednh<\/span><\/th>\n<th data-col-size=\"sm\"><span style=\"color: #0000ff;\">T\u1ea3i tr\u1ecdng ch\u00ednh<\/span><\/th>\n<th data-col-size=\"xl\"><span style=\"color: #0000ff;\">Ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn quan tr\u1ecdng<\/span><\/th>\n<th data-col-size=\"lg\"><span style=\"color: #0000ff;\">\u1ee8ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td data-col-size=\"sm\">Th\u1eed k\u00e9o<\/td>\n<td data-col-size=\"sm\">C\u01b0\u1eddng \u0111\u1ed9 t\u0129nh<\/td>\n<td data-col-size=\"sm\">K\u00e9o \u0111\u1ebfn ph\u00e1 h\u1ee7y<\/td>\n<td data-col-size=\"xl\">\u2265 100% c\u01b0\u1eddng \u0111\u1ed9 th\u00e9p g\u1ed1c<\/td>\n<td data-col-size=\"lg\">C\u1ed9t, d\u1ea7m, t\u01b0\u1eddng v\u00e1ch<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"sm\">Th\u1eed \u0111\u1ed9 tr\u01b0\u1ee3t<\/td>\n<td data-col-size=\"sm\">\u0110\u1ed9 \u0111\u1ed3ng t\u00e2m &amp; k\u00edn kh\u00edt<\/td>\n<td data-col-size=\"sm\">0,6 ReH<\/td>\n<td data-col-size=\"xl\">\u0110\u1ed9 tr\u01b0\u1ee3t c\u1ef1c nh\u1ecf (&lt; 0,1 mm)<\/td>\n<td data-col-size=\"lg\">C\u1ecdc nh\u1ed3i, th\u00e9p ch\u1edd<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"sm\">Th\u1eed m\u1ecfi chu k\u1ef3 cao<\/td>\n<td data-col-size=\"sm\">\u0110\u1ed9 b\u1ec1n l\u00e2u d\u00e0i<\/td>\n<td data-col-size=\"sm\">H\u00e0ng tri\u1ec7u chu k\u1ef3<\/td>\n<td data-col-size=\"xl\">Bi\u1ec3u \u0111\u1ed3 S-N \u0111\u1ea1t y\u00eau c\u1ea7u<\/td>\n<td data-col-size=\"lg\">C\u1ea7u \u0111\u01b0\u1eddng, s\u00e0n nh\u00e0 m\u00e1y<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"sm\">Th\u1eed chu k\u1ef3 th\u1ea5p (\u0111\u1ed9ng \u0111\u1ea5t)<\/td>\n<td data-col-size=\"sm\">Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0111\u1ecba ch\u1ea5n<\/td>\n<td data-col-size=\"sm\">K\u00e9o-n\u00e9n l\u1eb7p m\u1ea1nh<\/td>\n<td data-col-size=\"xl\">Kh\u00f4ng ph\u00e1 h\u1ee7y s\u1edbm, duy tr\u00ec l\u1ef1c sau 20+ chu k\u1ef3<\/td>\n<td data-col-size=\"lg\">C\u00f4ng tr\u00ecnh cao t\u1ea7ng, khu \u0111\u1ecba ch\u1ea5n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div>\u00a0<\/div>\n<\/div>\n<\/div>\n<h4 dir=\"auto\"><span style=\"color: #0000ff;\">VNFAS.,JSC \u2013 Coupler \u0110\u1ea1t \u0110\u1ea7y \u0110\u1ee7 TCVN 13711-2:2023<\/span><\/h4>\n<p dir=\"auto\">T\u1ea5t c\u1ea3 s\u1ea3n ph\u1ea9m <strong>kh\u1edbp n\u1ed1i ren th\u00e9p<\/strong> c\u1ee7a VNFAS \u0111\u1ec1u \u0111\u01b0\u1ee3c:<\/p>\n<ul dir=\"auto\">\n<li>S\u1ea3n xu\u1ea5t theo TCVN 13711-1 (y\u00eau c\u1ea7u)<\/li>\n<li>Th\u1eed nghi\u1ec7m \u0111\u1ed9c l\u1eadp theo TCVN 13711-2:2023 t\u1ea1i c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn<\/li>\n<li>Cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 b\u00e1o c\u00e1o th\u1eed nghi\u1ec7m cho ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 t\u01b0 v\u1ea5n gi\u00e1m s\u00e1t<\/li>\n<\/ul>\n<p dir=\"auto\">\u2192 \u0110\u1ea3m b\u1ea3o c\u00f4ng tr\u00ecnh c\u1ee7a b\u1ea1n <strong>\u0111\u1ea1t chu\u1ea9n ph\u00e1p l\u00fd<\/strong> v\u00e0 <strong>an to\u00e0n tuy\u1ec7t \u0111\u1ed1i<\/strong>.<\/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-6002dd5 e-flex e-con-boxed e-con e-parent\" data-id=\"6002dd5\" 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-b06525c elementor-widget elementor-widget-text-editor\" data-id=\"b06525c\" 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<p>Th\u00eam m\u1ed9t \u0111o\u1ea1n v\u0103n b\u1ea3n \u1edf \u0111\u00e2y. Nh\u1ea5p v\u00e0o \u00f4 v\u0103n b\u1ea3n \u0111\u1ec3 t\u00f9y ch\u1ec9nh n\u1ed9i dung, phong c\u00e1ch ph\u00f4ng ch\u1eef v\u00e0 m\u00e0u s\u1eafc c\u1ee7a \u0111o\u1ea1n v\u0103n c\u1ee7a b\u1ea1n.<\/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-b7a333f e-flex e-con-boxed e-con e-parent\" data-id=\"b7a333f\" 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-ac48a15 elementor-widget elementor-widget-text-editor\" data-id=\"ac48a15\" 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 dir=\"auto\"><span style=\"color: #0000ff;\">FAQ \u2013 C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/span><\/h4>\n<p dir=\"auto\"><strong>TCVN 13711-2:2023 thay th\u1ebf ti\u00eau chu\u1ea9n n\u00e0o?<\/strong> Thay th\u1ebf \u0110i\u1ec1u 8 v\u00e0 Ph\u1ee5 l\u1ee5c A c\u1ee7a TCVN 8163:2009 c\u0169.<\/p>\n<p dir=\"auto\"><strong>Coupler n\u00e0o c\u1ea7n th\u1eed theo TCVN 13711-2:2023?<\/strong> T\u1ea5t c\u1ea3 coupler d\u00f9ng cho c\u00f4ng tr\u00ecnh c\u1ea5p \u0111\u1eb7c bi\u1ec7t, c\u1ea5p I, II v\u00e0 c\u00f4ng tr\u00ecnh c\u00f3 y\u00eau c\u1ea7u ch\u1ed1ng \u0111\u1ed9ng \u0111\u1ea5t.<\/p>\n<p dir=\"auto\"><strong>Th\u1eed \u0111\u1ed9ng \u0111\u1ea5t (chu k\u1ef3 th\u1ea5p) c\u00f3 b\u1eaft bu\u1ed9c kh\u00f4ng?<\/strong> R\u1ea5t khuy\u1ebfn kh\u00edch v\u00e0 g\u1ea7n nh\u01b0 b\u1eaft bu\u1ed9c v\u1edbi nh\u00e0 cao t\u1ea7ng \u2265 20 t\u1ea7ng v\u00e0 khu v\u1ef1c \u0111\u1ed9ng \u0111\u1ea5t c\u1ea5p 7 tr\u1edf l\u00ean.<\/p>\n<p dir=\"auto\"><strong>L\u00e0m sao bi\u1ebft coupler c\u00f3 \u0111\u1ea1t TCVN 13711-2:2023?<\/strong> Y\u00eau c\u1ea7u nh\u00e0 cung c\u1ea5p xu\u1ea5t tr\u00ecnh <strong>b\u00e1o c\u00e1o th\u1eed nghi\u1ec7m<\/strong> \u0111\u1ea7y \u0111\u1ee7 4 ph\u01b0\u01a1ng ph\u00e1p t\u1eeb ph\u00f2ng th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh.<\/p>\n<p dir=\"auto\"><strong>VNFAS c\u00f3 cung c\u1ea5p b\u00e1o c\u00e1o th\u1eed theo ti\u00eau chu\u1ea9n m\u1edbi n\u00e0y kh\u00f4ng?<\/strong> C\u00f3! Ch\u00fang t\u00f4i cung c\u1ea5p b\u00e1o c\u00e1o \u0111\u1ea7y \u0111\u1ee7 cho m\u1ecdi l\u00f4 h\u00e0ng.<\/p>\n<p dir=\"auto\"><strong>B\u1ea1n \u0111ang t\u00ecm coupler n\u1ed1i th\u00e9p \u0111\u1ea1t chu\u1ea9n TCVN 13711-2:2023?<\/strong><\/p>\n<p dir=\"auto\">Li\u00ean h\u1ec7 ngay <strong>VNFAS.,JSC \u2013 H\u1ea3i Ph\u00f2ng \/ H\u1ed3 Ch\u00ed Minh<\/strong>\u00a0\u0111\u1ec3 \u0111\u01b0\u1ee3c:<\/p>\n<ul dir=\"auto\">\n<li>T\u01b0 v\u1ea5n ch\u1ecdn lo\u1ea1i coupler ph\u00f9 h\u1ee3p<\/li>\n<li>Nh\u1eadn b\u00e1o gi\u00e1 c\u1ea1nh tranh 2026<\/li>\n<li>Cung c\u1ea5p b\u00e1o c\u00e1o th\u1eed nghi\u1ec7m theo TCVN 13711-2:2023<\/li>\n<li>H\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt thi c\u00f4ng t\u1ea1i c\u00f4ng tr\u01b0\u1eddng<\/li>\n<\/ul>\n<p dir=\"auto\"><strong>Hotline \/ Zalo:<\/strong> [+84-0989909715, +84-*0927662665] <strong>Email:<\/strong> <a href=\"mailto:info@vnfas.vn\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">info@fsc.net.vn<\/a> <strong>\u0110\u1ecba ch\u1ec9:<\/strong> th\u00f4n Qu\u00fd D\u01b0\u01a1ng, x\u00e3 Mao \u0110i\u1ec1n, th\u00e0nh ph\u1ed1 H\u1ea3i Ph\u00f2ng, Vi\u1ec7t Nam<\/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>\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>TCVN 13711-2:2023 \u2013 Ti\u00eau Chu\u1ea9n Ph\u01b0\u01a1ng Ph\u00e1p Th\u1eed M\u1ed1i N\u1ed1i \u1ed0ng Ren (Coupler N\u1ed1i Th\u00e9p) M\u1edbi Nh\u1ea5t TCVN 13711-2:2023 (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng ISO 15835-2:2018) l\u00e0 ti\u00eau chu\u1ea9n qu\u1ed1c gia quan tr\u1ecdng nh\u1ea5t hi\u1ec7n nay quy \u0111\u1ecbnh ph\u01b0\u01a1ng ph\u00e1p th\u1eed cho kh\u1edbp n\u1ed1i ren th\u00e9p (coupler n\u1ed1i th\u00e9p, \u1ed1ng n\u1ed1i ren c\u1ed1t b\u00ea t\u00f4ng). Ti\u00eau chu\u1ea9n n\u00e0y&#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-30378","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 13711-2:2023 \u2013 Ti\u00eau Chu\u1ea9n Ph\u01b0\u01a1ng Ph\u00e1p Th\u1eed Coupler N\u1ed1i Th\u00e9p M\u1edbi Nh\u1ea5t - 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-13711-22023-tieu-chuan-phuong-phap-thu-coupler-noi-thep-moi-nhat\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"TCVN 13711-2:2023 \u2013 Ti\u00eau Chu\u1ea9n Ph\u01b0\u01a1ng Ph\u00e1p Th\u1eed Coupler N\u1ed1i Th\u00e9p M\u1edbi Nh\u1ea5t - COUPLER.,LTD\" \/>\n<meta property=\"og:description\" content=\"TCVN 13711-2:2023 \u2013 Ti\u00eau Chu\u1ea9n Ph\u01b0\u01a1ng Ph\u00e1p Th\u1eed M\u1ed1i N\u1ed1i \u1ed0ng Ren (Coupler N\u1ed1i Th\u00e9p) M\u1edbi Nh\u1ea5t TCVN 13711-2:2023 (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng ISO 15835-2:2018) l\u00e0 ti\u00eau chu\u1ea9n qu\u1ed1c gia quan tr\u1ecdng nh\u1ea5t hi\u1ec7n nay quy \u0111\u1ecbnh ph\u01b0\u01a1ng ph\u00e1p th\u1eed cho kh\u1edbp n\u1ed1i ren th\u00e9p (coupler n\u1ed1i th\u00e9p, \u1ed1ng n\u1ed1i ren c\u1ed1t b\u00ea t\u00f4ng). 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