{"id":4568,"date":"2025-09-05T02:44:43","date_gmt":"2025-09-05T02:44:43","guid":{"rendered":"https:\/\/ubormetal.com\/?post_type=product&#038;p=4568"},"modified":"2025-09-05T02:44:43","modified_gmt":"2025-09-05T02:44:43","slug":"hot-dipped-galvanized-flat-steel-bar-stainless","status":"publish","type":"product","link":"https:\/\/ubormetal.com\/zh\/product\/hot-dipped-galvanized-flat-steel-bar-stainless\/","title":{"rendered":"Hot Dipped Galvanized Flat Steel bar Stainless"},"content":{"rendered":"<h2 class=\"header-vfC6AV auto-hide-last-sibling-br\">I. Superior Corrosion Resistance (Core Advantage)<\/h2>\n<div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">The hot-dipped galvanizing process creates a multi-layer protective coating (zinc-iron alloy layer + pure zinc layer) that acts as a physical barrier and provides &#8220;sacrificial anode protection,&#8221; delivering long-lasting rust resistance:<\/div>\n<ul class=\"auto-hide-last-sibling-br list-paddingleft-2\">\n<li>Dense Multi-Layer Coating: The inner zinc-iron alloy layer (5\u201315 \u03bcm thick) bonds tightly to the base steel, while the outer pure zinc layer (40\u201380 \u03bcm thick) forms a smooth, impermeable shield. This structure effectively blocks moisture, oxygen, road salt, industrial fumes, and even mild chemicals from reaching the steel substrate.<\/li>\n<li>Sacrificial Protection: If the coating is scratched or damaged (e.g., by impact or wear), the surrounding zinc will corrode preferentially (instead of the steel) to &#8220;protect&#8221; the exposed steel\u2014unlike paint or electroplating, which lose protection once damaged.<\/li>\n<li>Long Service Life: In typical environments (e.g., urban, rural, or non-coastal areas), it can resist rust for\u00a020\u201350 years\u00a0without additional anti-corrosion treatments. Even in harsh conditions (e.g., coastal salt-spray areas or humid industrial zones), its service life is 10\u201325 years, far exceeding uncoated or painted steel bars.<\/li>\n<\/ul>\n<h2 class=\"header-vfC6AV auto-hide-last-sibling-br\">II. High Structural Strength &amp; Load-Bearing Capacity<\/h2>\n<div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">The base steel (usually low-carbon steel like Q235 or Q355) retains its inherent mechanical properties after galvanizing, ensuring the flat bar meets structural and load-bearing demands:<\/div>\n<ul class=\"auto-hide-last-sibling-br list-paddingleft-2\">\n<li>Excellent Tensile &amp; Yield Strength: The base steel provides high tensile strength (Q235: \u2265375 MPa; Q355: \u2265470 MPa) and yield strength (Q235: \u2265235 MPa; Q355: \u2265355 MPa), making the flat bar suitable for load-bearing scenarios\u2014such as supporting brackets, structural framing, or reinforcement bars in construction.<\/li>\n<li>Rigidity for Flat Profiles: The flat, rectangular cross-section (common thickness: 3\u201320 mm; width: 10\u2013150 mm) offers stable contact with surfaces, ensuring good rigidity when used as floor joists, electrical grounding bars, or hardware brackets (e.g., for securing pipes or cables).<\/li>\n<li>No Strength Loss from Galvanizing: The hot-dip process does not weaken the base steel\u2019s mechanical properties (unlike some high-temperature heat treatments). The zinc coating only adds protection without compromising structural integrity.<\/li>\n<\/ul>\n<h2 class=\"header-vfC6AV auto-hide-last-sibling-br\">III. Cost-Effective &amp; Low Maintenance<\/h2>\n<div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">Compared to other anti-corrosion steel products (e.g., stainless steel or painted steel), hot-dipped galvanized flat steel bar balances performance and cost, with long-term economic benefits:<\/div>\n<ul class=\"auto-hide-last-sibling-br list-paddingleft-2\">\n<li>Low Initial &amp; Lifecycle Costs: While its upfront cost is slightly higher than uncoated or painted steel, the\u00a0zero or minimal maintenance\u00a0requirement (no repainting, rust removal, or re-coating) drastically reduces long-term expenses. For example, a galvanized flat bar used in outdoor fencing avoids annual painting costs, offsetting the initial investment within 3\u20135 years.<\/li>\n<li>Easy Cleaning: The smooth zinc coating resists dirt, dust, and grime accumulation. Routine maintenance only requires wiping with a damp cloth or rinsing with water\u2014no need for harsh chemicals or specialized cleaning tools.<\/li>\n<\/ul>\n<div id='gallery-1' class='gallery galleryid-4568 gallery-columns-3 gallery-size-medium'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/ubormetal.com\/zh\/?attachment_id=4577'><img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/ubormetal.com\/wp-content\/uploads\/2025\/09\/4605-2025073014222785841-300x300.jpg\" class=\"attachment-medium size-medium\" alt=\"\" srcset=\"https:\/\/ubormetal.com\/wp-content\/uploads\/2025\/09\/4605-2025073014222785841-300x300.jpg 300w, https:\/\/ubormetal.com\/wp-content\/uploads\/2025\/09\/4605-2025073014222785841-150x150.jpg 150w, https:\/\/ubormetal.com\/wp-content\/uploads\/2025\/09\/4605-2025073014222785841-768x768.jpg 768w, https:\/\/ubormetal.com\/wp-content\/uploads\/2025\/09\/4605-2025073014222785841-12x12.jpg 12w, https:\/\/ubormetal.com\/wp-content\/uploads\/2025\/09\/4605-2025073014222785841-600x600.jpg 600w, https:\/\/ubormetal.com\/wp-content\/uploads\/2025\/09\/4605-2025073014222785841-100x100.jpg 100w, https:\/\/ubormetal.com\/wp-content\/uploads\/2025\/09\/4605-2025073014222785841.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/ubormetal.com\/zh\/?attachment_id=4578'><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/ubormetal.com\/wp-content\/uploads\/2025\/09\/4605-2025073014223136451-300x300.jpg\" class=\"attachment-medium size-medium\" alt=\"\" srcset=\"https:\/\/ubormetal.com\/wp-content\/uploads\/2025\/09\/4605-2025073014223136451-300x300.jpg 300w, https:\/\/ubormetal.com\/wp-content\/uploads\/2025\/09\/4605-2025073014223136451-150x150.jpg 150w, https:\/\/ubormetal.com\/wp-content\/uploads\/2025\/09\/4605-2025073014223136451-768x768.jpg 768w, https:\/\/ubormetal.com\/wp-content\/uploads\/2025\/09\/4605-2025073014223136451-12x12.jpg 12w, https:\/\/ubormetal.com\/wp-content\/uploads\/2025\/09\/4605-2025073014223136451-600x600.jpg 600w, https:\/\/ubormetal.com\/wp-content\/uploads\/2025\/09\/4605-2025073014223136451-100x100.jpg 100w, https:\/\/ubormetal.com\/wp-content\/uploads\/2025\/09\/4605-2025073014223136451.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/ubormetal.com\/zh\/?attachment_id=4579'><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/ubormetal.com\/wp-content\/uploads\/2025\/09\/4605-2025073014223652981-300x300.jpg\" class=\"attachment-medium size-medium\" alt=\"\" srcset=\"https:\/\/ubormetal.com\/wp-content\/uploads\/2025\/09\/4605-2025073014223652981-300x300.jpg 300w, https:\/\/ubormetal.com\/wp-content\/uploads\/2025\/09\/4605-2025073014223652981-150x150.jpg 150w, https:\/\/ubormetal.com\/wp-content\/uploads\/2025\/09\/4605-2025073014223652981-768x768.jpg 768w, https:\/\/ubormetal.com\/wp-content\/uploads\/2025\/09\/4605-2025073014223652981-12x12.jpg 12w, https:\/\/ubormetal.com\/wp-content\/uploads\/2025\/09\/4605-2025073014223652981-600x600.jpg 600w, https:\/\/ubormetal.com\/wp-content\/uploads\/2025\/09\/4605-2025073014223652981-100x100.jpg 100w, https:\/\/ubormetal.com\/wp-content\/uploads\/2025\/09\/4605-2025073014223652981.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div><\/figure>\n\t\t<\/div>\n\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>I. Superior Corrosion Resistance (Core Advantage) The hot-dipped galvanizing process creates a multi-layer protective coating (zinc-iron alloy layer + pure zinc layer) that acts as a physical barrier and provides &#8220;sacrificial anode protection,&#8221; delivering long-lasting rust resistance: Dense Multi-Layer Coating: The inner zinc-iron alloy layer (5\u201315 \u03bcm thick) bonds tightly to the base steel, while [&hellip;]<\/p>\n","protected":false},"featured_media":4571,"template":"","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","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":"default","adv-header-id-meta":"","stick-header-meta":"default","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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[68],"product_tag":[],"class_list":{"0":"post-4568","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-stainless-steel-flat-bar","7":"desktop-align-left","8":"tablet-align-left","9":"mobile-align-left","10":"ast-product-gallery-layout-horizontal-slider","11":"ast-product-tabs-layout-horizontal","13":"first","14":"instock","15":"shipping-taxable","16":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/ubormetal.com\/zh\/wp-json\/wp\/v2\/product\/4568","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ubormetal.com\/zh\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ubormetal.com\/zh\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ubormetal.com\/zh\/wp-json\/wp\/v2\/media\/4571"}],"wp:attachment":[{"href":"https:\/\/ubormetal.com\/zh\/wp-json\/wp\/v2\/media?parent=4568"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ubormetal.com\/zh\/wp-json\/wp\/v2\/product_brand?post=4568"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ubormetal.com\/zh\/wp-json\/wp\/v2\/product_cat?post=4568"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ubormetal.com\/zh\/wp-json\/wp\/v2\/product_tag?post=4568"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}