{"id":1836,"date":"2025-07-23T01:19:50","date_gmt":"2025-07-23T01:19:50","guid":{"rendered":"https:\/\/huanhaizhongke.com\/?p=1836"},"modified":"2025-07-23T01:20:01","modified_gmt":"2025-07-23T01:20:01","slug":"round-steel-tubing-sizes-what-you-need-to-know","status":"publish","type":"post","link":"https:\/\/www.huanhaizhongke.com\/vi\/round-steel-tubing-sizes-what-you-need-to-know\/","title":{"rendered":"K\u00edch th\u01b0\u1edbc \u1ed1ng th\u00e9p tr\u00f2n: Nh\u1eefng \u0111i\u1ec1u b\u1ea1n c\u1ea7n bi\u1ebft"},"content":{"rendered":"<p>B\u1ea1n \u0111ang g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c t\u00ecm \u0111\u00fang k\u00edch th\u01b0\u1edbc \u1ed1ng th\u00e9p tr\u00f2n cho d\u1ef1 \u00e1n ti\u1ebfp theo c\u1ee7a m\u00ecnh? B\u1ea1n c\u00f3 th\u1eafc m\u1eafc c\u00e1c k\u00edch th\u01b0\u1edbc nh\u01b0 \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i (OD) v\u00e0 \u0111\u1ed9 d\u00e0y th\u00e0nh \u1ed1ng th\u1ef1c s\u1ef1 \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n, tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 chi ph\u00ed? B\u1ea1n kh\u00f4ng \u0111\u01a1n \u0111\u1ed9c\u2014h\u00e3y c\u00f9ng ph\u00e2n t\u00edch t\u1ea5t c\u1ea3 v\u00e0 gi\u00fap b\u1ea1n \u0111\u01b0a ra l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t.<\/p>\n\n\n\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>M\u1ee5c l\u1ee5c<\/h2><nav><ul><li><a href=\"#introduction\">Gi\u1edbi thi\u1ec7u<\/a><\/li><li><a href=\"#understanding-round-steel-tubing-sizes\">Hi\u1ec3u v\u1ec1 k\u00edch th\u01b0\u1edbc \u1ed1ng th\u00e9p tr\u00f2n<\/a><\/li><li><a href=\"#why-size-matters-strength-weight-and-fit\">T\u1ea1i sao k\u00edch th\u01b0\u1edbc l\u1ea1i quan tr\u1ecdng: S\u1ee9c m\u1ea1nh, tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 v\u1eeba v\u1eb7n<\/a><\/li><li><a href=\"#common-round-steel-tubing-sizes-applications\">K\u00edch th\u01b0\u1edbc v\u00e0 \u1ee9ng d\u1ee5ng \u1ed1ng th\u00e9p tr\u00f2n ph\u1ed5 bi\u1ebfn<\/a><\/li><li><a href=\"#choosing-the-right-size-for-your-application\">Ch\u1ecdn k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p cho \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n<\/a><\/li><li><a href=\"#weight-to-strength-analysis\">Ph\u00e2n t\u00edch tr\u1ecdng l\u01b0\u1ee3ng tr\u00ean s\u1ee9c m\u1ea1nh<\/a><\/li><li><a href=\"#real-world-insights-from-jiatianxai\">Nh\u1eefng hi\u1ec3u bi\u1ebft th\u1ef1c t\u1ebf t\u1eeb Jiatianxai<\/a><\/li><li><a href=\"#best-practices-when-specifying-tubing-sizes\">Th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t khi ch\u1ec9 \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc \u1ed1ng<\/a><\/li><li><a href=\"#conclusion\">Ph\u1ea7n k\u1ebft lu\u1eadn<\/a><\/li><li><a href=\"#faq\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"introduction\"><a href=\"https:\/\/www.huanhaizhongke.com\/vi\/\">Gi\u1edbi thi\u1ec7u<\/a><\/h2>\n\n\n\n<p>Trong thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u, s\u1ea3n xu\u1ea5t c\u01a1 kh\u00ed ho\u1eb7c h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng, \u201ck\u00edch th\u01b0\u1edbc \u1ed1ng th\u00e9p tr\u00f2n\u201d kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 k\u00edch th\u01b0\u1edbc. N\u00f3 c\u00f2n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n, tr\u1ecdng l\u01b0\u1ee3ng, chi ph\u00ed v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch.<\/p>\n\n\n\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn k\u00edch th\u01b0\u1edbc l\u00fd t\u01b0\u1edfng r\u1ea5t quan tr\u1ecdng cho d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n. Trong b\u00e0i vi\u1ebft n\u00e0y, b\u1ea1n s\u1ebd h\u1ecdc c\u00e1ch ch\u1ecdn v\u00f2ng bi ph\u00f9 h\u1ee3p. <a href=\"https:\/\/www.huanhaizhongke.com\/vi\/danh-muc-san-pham\/steel-pipe\/\">\u1ed1ng th\u00e9p<\/a> cho \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"http:\/\/huanhaizhongke.com\/wp-content\/uploads\/2025\/01\/6-10.jpg\" alt=\"\u1ed0ng th\u00e9p li\u1ec1n m\u1ea1ch\" class=\"wp-image-516\" style=\"width:623px;height:auto\" srcset=\"https:\/\/www.huanhaizhongke.com\/wp-content\/uploads\/2025\/01\/6-10.jpg 800w, https:\/\/www.huanhaizhongke.com\/wp-content\/uploads\/2025\/01\/6-10-300x225.jpg 300w, https:\/\/www.huanhaizhongke.com\/wp-content\/uploads\/2025\/01\/6-10-768x576.jpg 768w, https:\/\/www.huanhaizhongke.com\/wp-content\/uploads\/2025\/01\/6-10-600x450.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"understanding-round-steel-tubing-sizes\">Hi\u1ec3u v\u1ec1 k\u00edch th\u01b0\u1edbc \u1ed1ng th\u00e9p tr\u00f2n<\/h2>\n\n\n\n<p>\u1ed0ng tr\u00f2n th\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh b\u1edfi <a href=\"https:\/\/www.archtoolbox.com\/standard-pipe-dimensions\/\" target=\"_blank\" rel=\"noopener\">\u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i (OD) v\u00e0 \u0111\u1ed9 d\u00e0y th\u00e0nh<\/a>\u0110\u01b0\u1eddng k\u00ednh trong (ID) \u0111\u01a1n gi\u1ea3n l\u00e0 \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i (OD) tr\u1eeb \u0111i hai l\u1ea7n \u0111\u1ed9 d\u00e0y th\u00e0nh \u1ed1ng. Vi\u1ec7c x\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc ch\u00ednh x\u00e1c cho ph\u00e9p b\u1ea1n ch\u1ecdn \u1ed1ng ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c kh\u1edbp n\u1ed1i c\u01a1 kh\u00ed, \u0111\u1ea7u n\u1ed1i ho\u1eb7c cho ph\u00e9p d\u00f2ng ch\u1ea3y ch\u1ea5t l\u1ecfng ch\u00ednh x\u00e1c. Ph\u1ea1m vi ph\u1ed5 bi\u1ebfn bao g\u1ed3m OD t\u1eeb \u00bc\u2033 \u0111\u1ebfn h\u01a1n 6\u2033, v\u1edbi th\u00e0nh \u1ed1ng t\u1eeb 0,030\u2033 \u0111\u1ebfn 0,500\u2033 ho\u1eb7c cao h\u01a1n t\u00f9y theo y\u00eau c\u1ea7u.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"why-size-matters-strength-weight-and-fit\">T\u1ea1i sao k\u00edch th\u01b0\u1edbc l\u1ea1i quan tr\u1ecdng: S\u1ee9c m\u1ea1nh, tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 v\u1eeba v\u1eb7n<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>T\u00ednh to\u00e0n v\u1eb9n c\u1ee7a c\u1ea5u tr\u00fac<\/strong>:Kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i c\u1ee7a \u1ed1ng ph\u1ee5 thu\u1ed9c v\u00e0o m\u00f4 \u0111un ti\u1ebft di\u1ec7n c\u1ee7a n\u00f3, ch\u1ecbu \u1ea3nh h\u01b0\u1edfng r\u1ea5t nhi\u1ec1u b\u1edfi \u0111\u1ed9 d\u00e0y c\u1ee7a th\u00e0nh \u1ed1ng.<\/li>\n\n\n\n<li><strong>Hi\u1ec7u qu\u1ea3 v\u1ec1 tr\u1ecdng l\u01b0\u1ee3ng<\/strong>:Vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u1ed9 d\u00e0y th\u00e0nh t\u01b0\u1eddng ph\u00f9 h\u1ee3p s\u1ebd \u0111\u1ea3m b\u1ea3o b\u1ea1n kh\u00f4ng thi\u1ebft k\u1ebf qu\u00e1 m\u1ee9c cho d\u1ef1 \u00e1n c\u1ee7a m\u00ecnh, gi\u00fap ti\u1ebft ki\u1ec7m c\u1ea3 v\u1eadt li\u1ec7u v\u00e0 chi ph\u00ed.<\/li>\n\n\n\n<li><strong>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch<\/strong>: C\u00e1c ph\u1ee5 ki\u1ec7n ti\u00eau chu\u1ea9n v\u00e0 k\u1ebft n\u1ed1i \u1ed1ng b\u1ecdc y\u00eau c\u1ea7u \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i ch\u00ednh x\u00e1c \u0111\u1ec3 l\u1eafp v\u1eeba v\u1eb7n.<\/li>\n\n\n\n<li><strong>Hi\u1ec7u qu\u1ea3 c\u1ed5 phi\u1ebfu<\/strong>:C\u00e1c nh\u00e0 thi\u1ebft k\u1ebf c\u00f3 th\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c mua s\u1eafm v\u00e0 ki\u1ec3m k\u00ea khi s\u1eed d\u1ee5ng \u1ed1ng ti\u00eau chu\u1ea9n c\u00f3 s\u1eb5n.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"common-round-steel-tubing-sizes-applications\">K\u00edch th\u01b0\u1edbc v\u00e0 \u1ee9ng d\u1ee5ng \u1ed1ng th\u00e9p tr\u00f2n ph\u1ed5 bi\u1ebfn<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>OD (inch)<\/th><th>\u0110\u1ed9 d\u00e0y th\u00e0nh (inch)<\/th><th>ID (inch)<\/th><th>C\u00f4ng d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/th><\/tr><\/thead><tbody><tr><td>0.125<\/td><td>0.030<\/td><td>~0.065<\/td><td>Linh ki\u1ec7n ch\u00ednh x\u00e1c, b\u1ed9 ph\u1eadn c\u01a1 kh\u00ed nh\u1ecf<\/td><\/tr><tr><td>0.500<\/td><td>0,065\u20130,120<\/td><td>0,380\u20130,370<\/td><td>Lan can nh\u1eb9, khung, \u0111i\u1ec3m nh\u1ea5n \u00f4 t\u00f4<\/td><\/tr><tr><td>1.000<\/td><td>0,095\u20130,250<\/td><td>0,755\u20130,500<\/td><td>Tr\u1ee5c, linh ki\u1ec7n th\u1ee7y l\u1ef1c, c\u1ee5m k\u1ebft c\u1ea5u<\/td><\/tr><tr><td>2.000<\/td><td>0,120\u20130,500<\/td><td>1.760\u20131.000<\/td><td>C\u1ed9t ch\u1ecbu l\u1ef1c, gi\u00e1 \u0111\u1ee1 c\u00f4ng nghi\u1ec7p<\/td><\/tr><tr><td>4.000+<\/td><td>0,125\u20130,375+<\/td><td>3,750\u20133,250<\/td><td>C\u1ea5u tr\u00fac c\u00f4ng nghi\u1ec7p n\u1eb7ng, m\u00e1y m\u00f3c l\u1edbn<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Nh\u1eefng s\u1ef1 k\u1ebft h\u1ee3p n\u00e0y ph\u1ea3n \u00e1nh c\u1ea3 kho h\u00e0ng th\u00f4ng th\u01b0\u1eddng v\u00e0 c\u00e1c t\u00f9y ch\u1ecdn thi\u1ebft k\u1ebf \u0111a d\u1ea1ng gi\u00fap b\u1ea1n l\u1ef1a ch\u1ecdn m\u1ed9t c\u00e1ch kh\u00f4n ngoan.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"choosing-the-right-size-for-your-application\">Ch\u1ecdn k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p cho \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Kho\u1ea3ng c\u00e1ch v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i<\/strong>: S\u1eed d\u1ee5ng c\u00e1c ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt (nh\u01b0 m\u00f4 \u0111un ti\u1ebft di\u1ec7n) \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 d\u00e0y th\u00e0nh t\u1ed1i thi\u1ec3u b\u1eaft bu\u1ed9c.<\/li>\n\n\n\n<li><strong>Y\u00eau c\u1ea7u v\u1ec1 ch\u1ea5t l\u1ecfng ho\u1eb7c c\u01a1 h\u1ecdc<\/strong>: \u0110\u1ed1i v\u1edbi vi\u1ec7c x\u1eed l\u00fd ch\u1ea5t l\u1ecfng b\u00ean trong, \u0111\u01b0\u1eddng k\u00ednh trong (ID) ch\u00ednh x\u00e1c l\u00e0 r\u1ea5t quan tr\u1ecdng. \u0110\u1ed1i v\u1edbi tr\u1ee5c, \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i (OD) nh\u1ea5t qu\u00e1n \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 v\u1eeba v\u1eb7n th\u00edch h\u1ee3p.<\/li>\n\n\n\n<li><strong>Ho\u00e0n thi\u1ec7n &amp; M\u00f4i tr\u01b0\u1eddng<\/strong>: C\u00e2n nh\u1eafc s\u1eed d\u1ee5ng \u1ed1ng m\u1ea1 k\u1ebdm ho\u1eb7c \u1ed1ng ph\u1ee7 cho m\u00f4i tr\u01b0\u1eddng ngo\u00e0i tr\u1eddi ho\u1eb7c c\u00f3 t\u00ednh \u0103n m\u00f2n.<\/li>\n\n\n\n<li><strong>H\u1ea1n ch\u1ebf s\u1ea3n xu\u1ea5t<\/strong>: Quy\u1ebft \u0111\u1ecbnh gi\u1eefa \u1ed1ng ERW, DOM ho\u1eb7c \u1ed1ng li\u1ec1n m\u1ea1ch d\u1ef1a tr\u00ean nhu c\u1ea7u v\u1ec1 \u0111\u1ed9 ch\u00ednh x\u00e1c dung sai v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"weight-to-strength-analysis\">Ph\u00e2n t\u00edch tr\u1ecdng l\u01b0\u1ee3ng tr\u00ean s\u1ee9c m\u1ea1nh<\/h2>\n\n\n\n<p>H\u00e3y xem x\u00e9t hai l\u1ef1a ch\u1ecdn \u1ed1ng c\u00f3 \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i 2\u2033 sau:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0110\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt<\/th><th>Tr\u1ecdng l\u01b0\u1ee3ng (lb\/ft)<\/th><th>S\u1ee9c m\u1ea1nh t\u01b0\u01a1ng \u0111\u1ed1i<\/th><th>Tr\u1ecdng l\u01b0\u1ee3ng tr\u00ean s\u1ee9c m\u1ea1nh<\/th><\/tr><\/thead><tbody><tr><td>T\u01b0\u1eddng 2\u2033 x 0,120\u2033<\/td><td>~2.50<\/td><td>1,0 \u00d7<\/td><td>2.50<\/td><\/tr><tr><td>T\u01b0\u1eddng 2\u2033 x 0,250\u2033<\/td><td>~4.68<\/td><td>~2,0 \u00d7<\/td><td>2.34<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u1ed0ng d\u00e0y h\u01a1n t\u0103ng g\u1ea5p \u0111\u00f4i \u0111\u1ed9 b\u1ec1n nh\u01b0ng tr\u1ecdng l\u01b0\u1ee3ng l\u1ea1i nh\u1eb9 h\u01a1n g\u1ea5p \u0111\u00f4i\u2014m\u1ed9t c\u1ea3i ti\u1ebfn v\u1ec1 c\u1ea5u tr\u00fac hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"real-world-insights-from-jiatianxai\">Nh\u1eefng hi\u1ec3u bi\u1ebft th\u1ef1c t\u1ebf t\u1eeb <a href=\"https:\/\/www.huanhaizhongke.com\/vi\/about-us\/\">Jiatianxai<\/a><\/h2>\n\n\n\n<p>D\u1eef li\u1ec7u s\u1ea3n xu\u1ea5t c\u1ee7a ch\u00fang t\u00f4i cho th\u1ea5y:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Khung m\u00e1y m\u00f3c n\u00f4ng nghi\u1ec7p<\/strong> th\u01b0\u1eddng s\u1eed d\u1ee5ng \u1ed1ng 1\u00bd\u2033\u20132\u2033 c\u00f3 \u0111\u1ed9 d\u00e0y th\u00e0nh trung b\u00ecnh \u0111\u1ec3 c\u00e2n b\u1eb1ng gi\u1eefa \u0111\u1ed9 c\u1ee9ng v\u00e0 chi ph\u00ed.<\/li>\n\n\n\n<li><strong>Linh ki\u1ec7n th\u1ee7y l\u1ef1c<\/strong> v\u00e0 tr\u1ee5c th\u01b0\u1eddng d\u1ef1a v\u00e0o \u1ed1ng DOM c\u00f3 k\u00edch th\u01b0\u1edbc t\u1eeb 1\u2033\u20131\u00bd\u2033 \u0111\u1ec3 c\u00f3 \u0111\u1ed9 v\u1eeba kh\u00edt ch\u1eb7t ch\u1ebd.<\/li>\n\n\n\n<li><strong>D\u1ef1 \u00e1n ch\u1ebf t\u1ea1o<\/strong> th\u01b0\u1eddng c\u1ea7n c\u00f3 th\u00e0nh d\u00e0y \u00edt nh\u1ea5t 0,188\u2033 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ed1i h\u00e0n \u0111\u1eb9p v\u00e0 s\u1ea1ch.<\/li>\n<\/ul>\n\n\n\n<p>Ch\u00fang t\u00f4i \u0111o l\u01b0\u1eddng nghi\u00eam ng\u1eb7t t\u1eebng l\u00f4 h\u00e0ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i v\u00e0 th\u00e0nh, cung c\u1ea5p b\u1ea3o \u0111\u1ea3m th\u1eed nghi\u1ec7m t\u1ea1i nh\u00e0 m\u00e1y v\u1ec1 t\u00ednh tu\u00e2n th\u1ee7 v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"http:\/\/huanhaizhongke.com\/wp-content\/uploads\/2025\/01\/1-11.jpg\" alt=\"\u1ed1ng th\u00e9p tr\u00f2n\" class=\"wp-image-519\" srcset=\"https:\/\/www.huanhaizhongke.com\/wp-content\/uploads\/2025\/01\/1-11.jpg 800w, https:\/\/www.huanhaizhongke.com\/wp-content\/uploads\/2025\/01\/1-11-300x225.jpg 300w, https:\/\/www.huanhaizhongke.com\/wp-content\/uploads\/2025\/01\/1-11-768x576.jpg 768w, https:\/\/www.huanhaizhongke.com\/wp-content\/uploads\/2025\/01\/1-11-600x450.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"http:\/\/huanhaizhongke.com\/wp-content\/uploads\/2025\/01\/2-9.jpg\" alt=\"\u1ed1ng th\u00e9p tr\u00f2n\" class=\"wp-image-504\" srcset=\"https:\/\/www.huanhaizhongke.com\/wp-content\/uploads\/2025\/01\/2-9.jpg 800w, https:\/\/www.huanhaizhongke.com\/wp-content\/uploads\/2025\/01\/2-9-300x225.jpg 300w, https:\/\/www.huanhaizhongke.com\/wp-content\/uploads\/2025\/01\/2-9-768x576.jpg 768w, https:\/\/www.huanhaizhongke.com\/wp-content\/uploads\/2025\/01\/2-9-600x450.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"best-practices-when-specifying-tubing-sizes\">Th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t khi ch\u1ec9 \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc \u1ed1ng<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Lu\u00f4n ki\u1ec3m tra ri\u00eang \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i v\u00e0 th\u00e0nh.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt ho\u1eb7c <a href=\"https:\/\/www.ansys.com\/simulation-topics\/what-is-finite-element-analysis\" target=\"_blank\" rel=\"noopener\">FEA<\/a> \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 m\u1eb7t c\u1ea5u tr\u00fac.<\/li>\n\n\n\n<li>Ch\u1ec9 \u0111\u1ecbnh lo\u1ea1i \u1ed1ng (ERW\/DOM\/Seamless) d\u1ef1a tr\u00ean nhu c\u1ea7u v\u1ec1 c\u01a1 h\u1ecdc v\u00e0 b\u1ec1 m\u1eb7t.<\/li>\n\n\n\n<li>\u0110\u1eb7t h\u00e0ng tr\u01b0\u1edbc c\u00e1c l\u1edbp ho\u00e0n thi\u1ec7n th\u1ee9 c\u1ea5p nh\u01b0 m\u1ea1 k\u1ebdm ho\u1eb7c c\u1eaft theo chi\u1ec1u d\u00e0i.<\/li>\n\n\n\n<li>X\u00e1c minh ch\u1ee9ng nh\u1eadn v\u1eadt li\u1ec7u theo c\u00e1c ti\u00eau chu\u1ea9n hi\u1ec7n h\u00e0nh (ASTM A500, A513, v.v.)<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"conclusion\">Ph\u1ea7n k\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn k\u00edch th\u01b0\u1edbc \u1ed1ng th\u00e9p tr\u00f2n ph\u00f9 h\u1ee3p l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t, hi\u1ec7u qu\u1ea3 chi ph\u00ed v\u00e0 an to\u00e0n. Cho d\u00f9 b\u1ea1n \u0111ang x\u00e2y d\u1ef1ng khung, h\u1ec7 th\u1ed1ng \u1ed1ng, linh ki\u1ec7n m\u00e1y m\u00f3c hay lan can, vi\u1ec7c x\u00e1c \u0111\u1ecbnh \u0111\u00fang \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i (OD) v\u00e0 \u0111\u1ed9 d\u00e0y th\u00e0nh \u1ed1ng c\u00f3 th\u1ec3 t\u1ea1o ra s\u1ef1 kh\u00e1c bi\u1ec7t l\u1edbn. T\u1ea1i Jiatianxai, ch\u00fang t\u00f4i cung c\u1ea5p t\u01b0 v\u1ea5n chuy\u00ean m\u00f4n, kho h\u00e0ng \u0111a d\u1ea1ng v\u00e0 d\u1ecbch v\u1ee5 t\u00f9y ch\u1ec9nh theo y\u00eau c\u1ea7u. H\u00e3y \u0111\u1ec3 ch\u00fang t\u00f4i gi\u00fap b\u1ea1n t\u1ef1 tin v\u00e0 ch\u00ednh x\u00e1c l\u1ef1a ch\u1ecdn \u1ed1ng ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/www.huanhaizhongke.com\/vi\/contact-us\/\">Li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i<\/a><\/strong> \u0111\u1ec3 kh\u00e1m ph\u00e1 kho h\u00e0ng c\u1ee7a ch\u00fang t\u00f4i, y\u00eau c\u1ea7u th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt t\u00f9y ch\u1ec9nh ho\u1eb7c nh\u1eadn h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"faq\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list\">\n<div id=\"faq-question-1753231954890\" class=\"rank-math-list-item\">\n<h5 class=\"rank-math-question\"><strong>\u0110\u01b0\u1eddng k\u00ednh ngo\u00e0i ti\u00eau chu\u1ea9n l\u1edbn nh\u1ea5t hi\u1ec7n nay l\u00e0 bao nhi\u00eau?<\/strong><\/h5>\n<div class=\"rank-math-answer\">\n\n<p>H\u1ea7u h\u1ebft c\u00e1c danh m\u1ee5c \u0111\u1ec1u cung c\u1ea5p \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i l\u00ean \u0111\u1ebfn 6 inch, v\u1edbi c\u00e1c k\u00edch th\u01b0\u1edbc t\u00f9y ch\u1ec9nh c\u00f3 s\u1eb5n tr\u00ean ng\u01b0\u1ee1ng \u0111\u00f3.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1753231970600\" class=\"rank-math-list-item\">\n<h5 class=\"rank-math-question\"><strong>T\u00f4i n\u00ean ch\u1ecdn \u1ed1ng DOM hay ERW?<\/strong><\/h5>\n<div class=\"rank-math-answer\">\n\n<p>Ch\u1ecdn DOM \u0111\u1ec3 c\u00f3 \u0111\u1ed9 v\u1eeba v\u1eb7n ch\u00ednh x\u00e1c v\u00e0 ch\u1ecbu \u0111\u01b0\u1ee3c \u1ee9ng su\u1ea5t cao; ERW ph\u00f9 h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng cho k\u1ebft c\u1ea5u chung.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1753231976328\" class=\"rank-math-list-item\">\n<h5 class=\"rank-math-question\"><strong>L\u00e0m sao \u0111\u1ec3 bi\u1ebft \u0111\u1ed9 d\u00e0y th\u00e0nh t\u01b0\u1eddng c\u1ea7n s\u1eed d\u1ee5ng?<\/strong><\/h5>\n<div class=\"rank-math-answer\">\n\n<p>S\u1eed d\u1ee5ng d\u1eef li\u1ec7u kho\u1ea3ng c\u00e1ch v\u00e0 t\u1ea3i tr\u1ecdng v\u1edbi ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt. N\u1ebfu c\u00f3 th\u1eafc m\u1eafc, h\u00e3y tham kh\u1ea3o \u00fd ki\u1ebfn \u0111\u1ed9i ng\u0169 c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n t\u00f9y ch\u1ec9nh.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1753231982452\" class=\"rank-math-list-item\">\n<h5 class=\"rank-math-question\"><strong>C\u00f3 s\u1eb5n \u1ed1ng tr\u00f2n m\u1ea1 k\u1ebdm kh\u00f4ng?<\/strong><\/h5>\n<div class=\"rank-math-answer\">\n\n<p>C\u00f3\u2014c\u00f3 l\u1edbp m\u1ea1 k\u1ebdm, \u0111\u1eb7c bi\u1ec7t d\u00f9ng cho m\u1ee5c \u0111\u00edch ngo\u00e0i tr\u1eddi v\u00e0 ch\u1ed1ng \u0103n m\u00f2n.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1753231990608\" class=\"rank-math-list-item\">\n<h5 class=\"rank-math-question\"><strong>Ti\u00eau chu\u1ea9n \u0111o l\u01b0\u1eddng n\u00e0o \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho \u1ed1ng?<\/strong><\/h5>\n<div class=\"rank-math-answer\">\n\n<p>ASTM A500 \u0111\u1ecbnh ngh\u0129a c\u00e1c ph\u1ea7n r\u1ed7ng k\u1ebft c\u1ea5u; ASTM A513 d\u00e0nh cho \u1ed1ng c\u01a1 kh\u00ed; c\u00e1c ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p kh\u00e1c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng t\u00f9y thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Kh\u00e1m ph\u00e1 nh\u1eefng th\u00f4ng tin chi ti\u1ebft c\u1ea7n thi\u1ebft v\u1ec1 k\u00edch th\u01b0\u1edbc \u1ed1ng th\u00e9p tr\u00f2n, gi\u00fap b\u1ea1n ch\u1ecdn \u0111\u00fang k\u00edch th\u01b0\u1edbc v\u1ec1 \u0111\u1ed9 b\u1ec1n, hi\u1ec7u qu\u1ea3 v\u00e0 hi\u1ec7u su\u1ea5t cho c\u00e1c d\u1ef1 \u00e1n c\u1ee7a m\u00ecnh.<\/p>","protected":false},"author":1,"featured_media":1774,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_gspb_post_css":"","footnotes":""},"categories":[30],"tags":[],"class_list":["post-1836","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/www.huanhaizhongke.com\/vi\/wp-json\/wp\/v2\/posts\/1836","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.huanhaizhongke.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.huanhaizhongke.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.huanhaizhongke.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.huanhaizhongke.com\/vi\/wp-json\/wp\/v2\/comments?post=1836"}],"version-history":[{"count":1,"href":"https:\/\/www.huanhaizhongke.com\/vi\/wp-json\/wp\/v2\/posts\/1836\/revisions"}],"predecessor-version":[{"id":1837,"href":"https:\/\/www.huanhaizhongke.com\/vi\/wp-json\/wp\/v2\/posts\/1836\/revisions\/1837"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.huanhaizhongke.com\/vi\/wp-json\/wp\/v2\/media\/1774"}],"wp:attachment":[{"href":"https:\/\/www.huanhaizhongke.com\/vi\/wp-json\/wp\/v2\/media?parent=1836"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.huanhaizhongke.com\/vi\/wp-json\/wp\/v2\/categories?post=1836"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.huanhaizhongke.com\/vi\/wp-json\/wp\/v2\/tags?post=1836"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}