{"id":690,"date":"2025-06-11T02:37:38","date_gmt":"2025-06-11T02:37:38","guid":{"rendered":"https:\/\/lzbmetal.com\/?p=690"},"modified":"2025-06-23T01:27:45","modified_gmt":"2025-06-23T01:27:45","slug":"thang-tiep-can-ho-ga-bang-gang-deo","status":"publish","type":"post","link":"https:\/\/lzbmetal.com\/vi\/thang-tiep-can-ho-ga-bang-gang-deo\/","title":{"rendered":"Thang gang d\u1ebbo"},"content":{"rendered":"<h3 class=\"wp-block-heading\">I. T\u00ednh n\u0103ng k\u1ef9 thu\u1eadt &nbsp;<\/h3>\n\n\n\n<p><strong>1. V\u1eadt li\u1ec7u &amp; S\u1ea3n xu\u1ea5t \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>- V\u1eadt li\u1ec7u c\u01a1 b\u1ea3n: Gang d\u1ebbo QT500-7&nbsp;&nbsp;<\/li>\n\n\n\n<li>- \u0110\u1ed9 b\u1ec1n k\u00e9o \u2265500 MPa (cao h\u01a1n th\u00e9p th\u01b0\u1eddng g\u1ea5p 2 l\u1ea7n) \u00a0<\/li>\n\n\n\n<li>- \u0110\u1ed9 gi\u00e3n d\u00e0i \u22657% | \u0110\u1ed9 b\u1ec1n va \u0111\u1eadp \u226515 J\/cm\u00b2 \u00a0<\/li>\n<\/ul>\n\n\n\n<p><strong>K\u1ebft tinh \u0111\u1ea5t hi\u1ebfm-magi\u00ea: \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00a0\u00a0- T\u1ef7 l\u1ec7 t\u1ea1o h\u1ea1t \u226590% (tr\u00ean GB\/T 9441) \u00a0<\/li>\n<\/ul>\n\n\n\n<p><strong>B\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n ba l\u1edbp: \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>- L\u1edbp ph\u1ee7 phun k\u1ebdm (\u2265100\u03bcm) + L\u1edbp nh\u1ef1a Epoxy + Keo tr\u00e1m Zn-Al \u00a0<\/li>\n\n\n\n<li>- Kh\u1ea3 n\u0103ng ch\u1ed1ng phun mu\u1ed1i \u22653.000 gi\u1edd (ASTM B117) \u00a0<\/li>\n<\/ul>\n\n\n\n<p><strong>2. M\u1edf r\u1ed9ng ch\u1ee9c n\u0103ng \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>- H\u1ec7 th\u1ed1ng ch\u1ed1ng r\u01a1i th\u00f4ng minh: C\u1ea3m bi\u1ebfn t\u1ea3i tr\u1ecdng t\u00f9y ch\u1ecdn v\u1edbi b\u00e1o \u0111\u1ed9ng t\u1ef1 \u0111\u1ed9ng (qu\u00e1 t\u1ea3i &gt;150 kg) &nbsp;<\/li>\n\n\n\n<li>- Kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu v\u1edbi m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t: Ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng -50\u00b0C \u0111\u1ebfn 150\u00b0C (\u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn trong \u0111i\u1ec1u ki\u1ec7n l\u1ea1nh gi\u00e1 \u1edf B\u1eafc C\u1ef1c c\u1ee7a C\u00e1p Nh\u0129 T\u00e2n v\u00e0 nhi\u1ec7t \u0111\u1edbi n\u00f3ng b\u1ee9c \u1edf H\u1ea3i Nam) &nbsp;<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">II. L\u1ee3i th\u1ebf c\u1ea1nh tranh c\u1ed1t l\u00f5i &nbsp;<\/h3>\n\n\n\n<p>1. T\u0103ng c\u01b0\u1eddng an to\u00e0n n\u1ed9i t\u1ea1i &nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>- Ki\u1ec3m tra t\u1ea3i tr\u1ecdng b\u1eadc thang: 1,5 t\u1ea5n (50% tr\u00ean EN 13101) \u2013 h\u1ed7 tr\u1ee3 hai c\u00f4ng nh\u00e2n \u0111\u01b0\u1ee3c trang b\u1ecb \u0111\u1ea7y \u0111\u1ee7 c\u00f9ng l\u00fac &nbsp;<\/li>\n\n\n\n<li>- L\u1ed3ng an to\u00e0n: \u0110\u1ea1t ch\u1ee9ng nh\u1eadn b\u1ea3o v\u1ec7 ch\u1ed1ng r\u01a1i GB 50303 \u2013 gi\u1ea3m tai n\u1ea1n r\u01a1i tr\u1ee5c xu\u1ed1ng 95% &nbsp;<\/li>\n<\/ul>\n\n\n\n<p>2. Kinh t\u1ebf v\u00f2ng \u0111\u1eddi &nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>- Ph\u00e2n t\u00edch chi ph\u00ed 30 n\u0103m: &nbsp;<\/li>\n\n\n\n<li>- Thang th\u00e9p: 4 c\u00e1i thay th\u1ebf<\/li>\n\n\n\n<li>- Thang gang d\u1ebbo: L\u1eafp \u0111\u1eb7t \u0111\u01a1n 56% ti\u1ebft ki\u1ec7m chi ph\u00ed \u00a0<\/li>\n<\/ul>\n\n\n\n<p>3. Kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng v\u1edbi c\u00e1c t\u00ecnh hu\u1ed1ng \u0111\u1eb7c bi\u1ec7t &nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>- Tr\u1ee5c tho\u00e1t n\u01b0\u1edbc th\u1ea3i h\u00f3a ch\u1ea5t: L\u1edbp ph\u1ee7 PTFE ch\u1ed1ng axit m\u1ea1nh (pH 1\u20132) \u2013 Tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng \u0103n m\u00f2n trong 10 n\u0103m t\u1ea1i Khu h\u00f3a d\u1ea7u Ninh Ba &nbsp;<\/li>\n\n\n\n<li>- Tr\u1ee5c s\u00e2u ven bi\u1ec3n: Ph\u1ee5 ki\u1ec7n th\u00e9p kh\u00f4ng g\u1ec9 316L + L\u1edbp ph\u1ee7 h\u1ee3p kim Zn-Ni \u2013 ch\u1ecbu \u0111\u01b0\u1ee3c &gt;10.000 ppm clorua &nbsp;<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">III. \u1ee8ng d\u1ee5ng ti\u00eau bi\u1ec3u &nbsp;<\/h3>\n\n\n\n<p>- \u0110\u01b0\u1eddng h\u1ea7m ti\u1ec7n \u00edch: &nbsp;<\/p>\n\n\n\n<p>&nbsp;&nbsp;C\u00f4ng vi\u00ean Expo Th\u01b0\u1ee3ng H\u1ea3i (s\u00e2u 8m, l\u1eafp \u0111\u1eb7t nhanh h\u01a1n 80%) &nbsp;<\/p>\n\n\n\n<p>- M\u00f4i tr\u01b0\u1eddng nguy hi\u1ec3m: &nbsp;<\/p>\n\n\n\n<p>&nbsp;&nbsp;B\u1ec3 l\u1eafng x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i (ch\u1ed1ng \u0103n m\u00f2n H\u2082S + gi\u00e1m s\u00e1t kh\u00ed) &nbsp;<\/p>\n\n\n\n<p>&nbsp;&nbsp;\u1ed0ng tr\u1ee5c nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t (phi\u00ean b\u1ea3n ch\u1ed1ng axit\/ki\u1ec1m, dung sai pH 1\u201314) &nbsp;<\/p>\n\n\n\n<p>- Th\u00e0nh ph\u1ed1 th\u00f4ng minh: &nbsp;<\/p>\n\n\n\n<p>&nbsp;&nbsp;D\u1ef1 \u00e1n Qianhai Th\u00e2m Quy\u1ebfn (c\u1ea3m bi\u1ebfn rung + c\u1ea3nh b\u00e1o an to\u00e0n AI) &nbsp;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">IV. Ti\u00eau chu\u1ea9n &amp; Ch\u1ee9ng nh\u1eadn &nbsp;<\/h3>\n\n\n\n<p>- Qu\u1ed1c t\u1ebf: &nbsp;<\/p>\n\n\n\n<p>&nbsp;&nbsp;EN 1433 (L\u1edbp t\u1ea3i tr\u1ecdng thang) | ISO 1461 (M\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng) &nbsp;<\/p>\n\n\n\n<p>- Trung Qu\u1ed1c: &nbsp;<\/p>\n\n\n\n<p>&nbsp;&nbsp;GB 50303 (An to\u00e0n x\u00e2y d\u1ef1ng \u0111i\u1ec7n) | GB\/T 23858-2009 (H\u1ec7 th\u1ed1ng n\u1eafp h\u1ed1 ga) &nbsp;<\/p>\n\n\n\n<p>- Ch\u1ee9ng nh\u1eadn \u0111\u1eb7c bi\u1ec7t: &nbsp;<\/p>\n\n\n\n<p>&nbsp;&nbsp;B\u00e1o c\u00e1o th\u1eed nghi\u1ec7m phun mu\u1ed1i SGS &gt;3.000 gi\u1edd | EU CE (CPR 305\/2011) &nbsp;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Ph\u1ea7n k\u1ebft lu\u1eadn &nbsp;<\/h3>\n\n\n\n<p>Thang gang d\u1ebbo \u0111\u1ecbnh ngh\u0129a l\u1ea1i c\u00e1c ti\u00eau chu\u1ea9n an to\u00e0n c\u1ee7a tr\u1ee5c th\u00f4ng qua \u0111\u1ed9 b\u1ec1n c\u1ea5p qu\u00e2n s\u1ef1, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n tr\u1ecdn \u0111\u1eddi v\u00e0 l\u1eafp \u0111\u1eb7t nhanh ch\u00f3ng: &nbsp;<\/p>\n\n\n\n<p>1. Cu\u1ed9c c\u00e1ch m\u1ea1ng v\u1ec1 an to\u00e0n: B\u1eadc thang h\u00ecnh kim c\u01b0\u01a1ng + m\u00f3c an to\u00e0n \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau &quot;kh\u00f4ng ng\u00e3&quot;. &nbsp;<\/p>\n\n\n\n<p>2. \u01afu th\u1ebf v\u1ec1 kinh t\u1ebf: Tu\u1ed5i th\u1ecd 30 n\u0103m kh\u00f4ng c\u1ea7n b\u1ea3o tr\u00ec \u2013 t\u1ed5ng chi ph\u00ed = 40% thang th\u00e9p. &nbsp;<\/p>\n\n\n\n<p>3. Kh\u1ea3 n\u0103ng th\u00f4ng minh: Gi\u00e1m s\u00e1t rung \u0111\u1ed9ng\/kh\u00ed gi\u00fap lo\u1ea1i b\u1ecf tai n\u1ea1n ngay t\u1eeb \u0111\u1ea7u. &nbsp;<\/p>\n\n\n\n<p><strong>Khuy\u1ebfn ngh\u1ecb v\u1ec1 k\u1ef9 thu\u1eadt: \u00a0<\/strong><\/p>\n\n\n\n<p>- Tr\u1ee5c s\u00e2u (&gt;5m): Khuy\u1ebfn kh\u00edch s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng m\u00f3c an to\u00e0n &nbsp;<\/p>\n\n\n\n<p>- Khu v\u1ef1c h\u00f3a ch\u1ea5t: Ph\u1ee5 ki\u1ec7n th\u00e9p kh\u00f4ng g\u1ec9 316L theo ti\u00eau chu\u1ea9n &nbsp;<\/p>\n\n\n\n<p>- \u0110\u01b0\u1eddng h\u1ea7m ti\u1ec7n \u00edch th\u00f4ng minh: T\u00edch h\u1ee3p c\u00e1c m\u00f4-\u0111un gi\u00e1m s\u00e1t an to\u00e0n LoRa<\/p>","protected":false},"excerpt":{"rendered":"<p>I. T\u00ednh n\u0103ng k\u1ef9 thu\u1eadt 1. V\u1eadt li\u1ec7u &amp; S\u1ea3n xu\u1ea5t K\u1ebft c\u1ea5u h\u1ea1t \u0111\u1ea5t hi\u1ebfm-magi\u00ea: B\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n ba l\u1edbp: 2. M\u1edf r\u1ed9ng ch\u1ee9c n\u0103ng II. L\u1ee3i th\u1ebf c\u1ea1nh tranh c\u1ed1t l\u00f5i 1. T\u0103ng c\u01b0\u1eddng an to\u00e0n n\u1ed9i t\u1ea1i 2. Kinh t\u1ebf v\u00f2ng \u0111\u1eddi 3. Kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng v\u1edbi t\u00ecnh hu\u1ed1ng \u0111\u1eb7c bi\u1ec7t III. \u1ee8ng d\u1ee5ng ti\u00eau bi\u1ec3u - \u0110\u01b0\u1eddng h\u1ea7m ti\u1ec7n \u00edch: C\u00f4ng vi\u00ean tri\u1ec3n l\u00e3m Th\u01b0\u1ee3ng H\u1ea3i (s\u00e2u 8m, 80% nhanh h\u01a1n [\u2026]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,50,2,43],"tags":[126,125,127],"class_list":["post-690","post","type-post","status-publish","format-standard","hentry","category-ductile-cast-iron-products","category-ladder","category-products","category-square-manhole-cover","tag-ductile-cast-iron","tag-ductile-cast-iron-ladder","tag-ladder"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ductile Cast Iron Ladder Ladder - LZBMetal Products Co., Ltd<\/title>\n<meta name=\"description\" content=\"The Ductile Cast Iron Ladder\u00a0is a core safety facility for underground pipeline maintenance. 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