{"id":3983,"date":"2025-03-19T02:34:25","date_gmt":"2025-03-19T02:34:25","guid":{"rendered":"https:\/\/keweicorten.com\/?post_type=product&#038;p=3983"},"modified":"2025-03-28T08:21:16","modified_gmt":"2025-03-28T08:21:16","slug":"312-stainless-steel-pipe","status":"publish","type":"product","link":"https:\/\/keweicorten.com\/pa\/312-stainless-steel-pipe\/","title":{"rendered":"312 Stainless Steel Pipe"},"content":{"rendered":"<h3 data-pm-slice=\"1 1 []\"><strong>1. Comprehensive Guide to 312 Stainless Steel Pipe: Material, Specifications, Properties, and Applications<\/strong><\/h3>\n<p>312 stainless steel is an austenitic stainless steel containing high chromium and nickel, offering excellent corrosion resistance and mechanical properties. Its main chemical composition is as follows:<\/p>\n<table style=\"height: 221px;\" width=\"353\">\n<tbody>\n<tr>\n<th>Element<\/th>\n<th>Content (%)<\/th>\n<\/tr>\n<tr>\n<td>Chromium (Cr)<\/td>\n<td>18-20<\/td>\n<\/tr>\n<tr>\n<td>Nickel (Ni)<\/td>\n<td>8-10<\/td>\n<\/tr>\n<tr>\n<td>Carbon (C)<\/td>\n<td>\u22640.08<\/td>\n<\/tr>\n<tr>\n<td>Manganese (Mn)<\/td>\n<td>\u22642.0<\/td>\n<\/tr>\n<tr>\n<td>Silicon (Si)<\/td>\n<td>\u22641.0<\/td>\n<\/tr>\n<tr>\n<td>Phosphorus (P)<\/td>\n<td>\u22640.045<\/td>\n<\/tr>\n<tr>\n<td>Sulfur (S)<\/td>\n<td>\u22640.03<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The balanced composition ensures the stability of 312 stainless steel pipes in harsh environments, making them ideal for engineering and industrial applications.<\/p>\n<h3><strong>2. Specifications of 312 Stainless Steel Pipe<\/strong><\/h3>\n<p>312 stainless steel pipes are available in various sizes and can be customized according to specific requirements. The common specifications are as follows:<\/p>\n<table style=\"height: 124px;\" width=\"388\">\n<tbody>\n<tr>\n<td>Specification<\/td>\n<td>Range<\/td>\n<\/tr>\n<tr>\n<td>Outer Diameter<\/td>\n<td>6mm &#8211; 630mm<\/td>\n<\/tr>\n<tr>\n<td>Wall Thickness<\/td>\n<td>0.5mm &#8211; 30mm<\/td>\n<\/tr>\n<tr>\n<td>Length<\/td>\n<td>6m or 12m (customizable)<\/td>\n<\/tr>\n<tr>\n<td>Standards<\/td>\n<td>ASTM, JIS, GB, DIN, etc.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Additionally, 312 stainless steel pipes can be manufactured using seamless and welded processes to meet diverse engineering and industrial needs.<\/p>\n<div id=\"1660788172356\" class=\"cke-navigation\" contenteditable=\"false\">\n<p>Product Description<\/p>\n<\/div>\n<p><a href=\"https:\/\/keweicorten.com\/pa\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone\" title=\"ASTM Ss 312 304 2 Inch Welded\/Seamless Stainless Steel Pipe\" src=\"https:\/\/image.made-in-china.com\/226f3j00hzDiqArdAJuT\/ASTM-Ss-312-304-2-Inch-Welded-Seamless-Stainless-Steel-Pipe.webp\" alt=\"ASTM Ss 312 304 2 Inch Welded\/Seamless Stainless Steel Pipe\" width=\"864\" height=\"294\" data-original=\"\/\/image.made-in-china.com\/226f3j00hzDiqArdAJuT\/ASTM-Ss-312-304-2-Inch-Welded-Seamless-Stainless-Steel-Pipe.webp\" data-faw_img=\"true\" \/><\/a><\/p>\n<h3><strong>3. Properties of 312 Stainless Steel Pipe<\/strong><\/h3>\n<p>312 stainless steel pipes are highly popular due to their outstanding properties:<\/p>\n<ol start=\"1\" data-spread=\"true\">\n<li><strong>Excellent Corrosion Resistance<\/strong>:\n<ul data-spread=\"false\">\n<li>High chromium content enhances oxidation and corrosion resistance.<\/li>\n<li>Resistant to acids, alkalis, and other chemical substances.<\/li>\n<li>Suitable for humid and harsh environments.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Superior High-Temperature Strength<\/strong>:\n<ul data-spread=\"false\">\n<li>Maintains good mechanical properties even at elevated temperatures.<\/li>\n<li>Ideal for high-temperature applications such as boilers and heat exchangers.<\/li>\n<\/ul>\n<\/li>\n<li><strong>High Mechanical Strength<\/strong>:\n<ul data-spread=\"false\">\n<li>Exhibits excellent tensile and yield strength.<\/li>\n<li>Capable of withstanding high pressure and loads.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Good Machinability<\/strong>:\n<ul data-spread=\"false\">\n<li>Suitable for cutting, welding, and bending.<\/li>\n<li>It can be manufactured in different shapes and sizes to meet various application needs.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><a href=\"https:\/\/keweicorten.com\/pa\/products\/\"><img decoding=\"async\" class=\"alignnone wp-image-3984 size-full\" title=\"Which is better ss316 or ss 321?\" src=\"https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/03\/astm-312-stainless-steel-seamless-pipe-500x500-1.webp\" alt=\"Which is better ss316 or ss 321? \" width=\"500\" height=\"500\" srcset=\"https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/03\/astm-312-stainless-steel-seamless-pipe-500x500-1.webp 500w, https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/03\/astm-312-stainless-steel-seamless-pipe-500x500-1-300x300.webp 300w, https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/03\/astm-312-stainless-steel-seamless-pipe-500x500-1-150x150.webp 150w, https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/03\/astm-312-stainless-steel-seamless-pipe-500x500-1-12x12.webp 12w, https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/03\/astm-312-stainless-steel-seamless-pipe-500x500-1-100x100.webp 100w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<h3>ASTM A312 Stainless Steel Pipes WT\u00a0Tolerance %<\/h3>\n<div class=\"table-responsive\">\n<table class=\"table table-bordered table-hover table-condensed\" style=\"height: 211px;\" width=\"480\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<th rowspan=\"2\">NPS<\/th>\n<th colspan=\"2\">ASTM A312\u00a0 WT Tolerance, %<\/th>\n<\/tr>\n<tr>\n<th>+<\/th>\n<th>\u2013<\/th>\n<\/tr>\n<tr>\n<td>1\/8-2 1 \/2<\/td>\n<td>20.0<\/td>\n<td>12.5<\/td>\n<\/tr>\n<tr>\n<td>3~18, t\/D\u2264 5%<\/td>\n<td>22.5<\/td>\n<td>12.5<\/td>\n<\/tr>\n<tr>\n<td>3~18, t\/D&gt; 5%<\/td>\n<td>15.0<\/td>\n<td>12.5<\/td>\n<\/tr>\n<tr>\n<td>\u2265 20, welded<\/td>\n<td>17.5<\/td>\n<td>12.5<\/td>\n<\/tr>\n<tr>\n<td>\u2265 20, seamless, t\/D\u2264 5%<\/td>\n<td>22.5<\/td>\n<td>12.5<\/td>\n<\/tr>\n<tr>\n<td>\u2265 20, seamless, t\/D&gt; 5%<\/td>\n<td>15.0<\/td>\n<td>12.5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3><strong>4. <\/strong><span class=\"JCzEY tNxQIb\"><span class=\"CSkcDe\">What is 312 stainless steel used for?<\/span><\/span><\/h3>\n<p>Due to its excellent properties, 312 stainless steel pipe is widely used in various industries, including:<\/p>\n<ol start=\"1\" data-spread=\"true\">\n<li><strong>Petrochemical Industry<\/strong>:\n<ul data-spread=\"false\">\n<li>Used for transporting high-temperature and high-pressure fluids.<\/li>\n<li>Suitable for corrosive environments, such as acidic and alkaline chemical transportation.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Energy Sector<\/strong>:\n<ul data-spread=\"false\">\n<li>Commonly used in nuclear power plants, thermal power plants, and natural gas pipelines.<\/li>\n<li>Provides long-term stability in high-temperature and high-pressure environments.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Food Processing Industry<\/strong>:\n<ul data-spread=\"false\">\n<li>It is nontoxic and corrosion-resistant, making it ideal for food processing and beverage production equipment.<\/li>\n<li>Commonly used in dairy and beverage transportation pipelines.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Aerospace Industry<\/strong>:\n<ul data-spread=\"false\">\n<li>Lightweight, high-strength, and corrosion-resistant, making it suitable for aircraft and spacecraft manufacturing.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Construction and Decoration<\/strong>:\n<ul data-spread=\"false\">\n<li>Used for high-end building facades, railings, and handrails.<\/li>\n<li>Offers an elegant appearance and excellent weather resistance.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Automotive Industry<\/strong>:\n<ul data-spread=\"false\">\n<li>Applied in high-performance exhaust systems and structural components.<\/li>\n<li>Suitable for high-temperature and corrosion-resistant environments.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><a href=\"https:\/\/keweicorten.com\/pa\/products\/\"><img decoding=\"async\" class=\"alignnone wp-image-3985\" title=\"Best Quality Stainless Steel \" src=\"https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/03\/astm-312-stainless-steel-seamless-pipe-1000x1000-1.webp\" alt=\"Best Quality Stainless Steel \" width=\"618\" height=\"618\" srcset=\"https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/03\/astm-312-stainless-steel-seamless-pipe-1000x1000-1.webp 1000w, https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/03\/astm-312-stainless-steel-seamless-pipe-1000x1000-1-300x300.webp 300w, https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/03\/astm-312-stainless-steel-seamless-pipe-1000x1000-1-150x150.webp 150w, https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/03\/astm-312-stainless-steel-seamless-pipe-1000x1000-1-768x768.webp 768w, https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/03\/astm-312-stainless-steel-seamless-pipe-1000x1000-1-12x12.webp 12w, https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/03\/astm-312-stainless-steel-seamless-pipe-1000x1000-1-600x600.webp 600w, https:\/\/keweicorten.com\/wp-content\/uploads\/2025\/03\/astm-312-stainless-steel-seamless-pipe-1000x1000-1-100x100.webp 100w\" sizes=\"(max-width: 618px) 100vw, 618px\" \/><\/a><\/p>\n<h3><strong>5. Maintenance and Care for 312 Stainless Steel Pipe<\/strong><\/h3>\n<p>Although 312 stainless steel pipes have exceptional corrosion resistance, proper maintenance can extend their lifespan.<\/p>\n<ul data-spread=\"false\">\n<li><strong>Regular Cleaning<\/strong>: Use neutral cleaners to remove dirt and prevent corrosive residues.<\/li>\n<li><strong>Avoid High-Temperature Oxidation<\/strong>: Prolonged exposure to extreme heat may affect surface finish.<\/li>\n<li><strong>Prevent Mechanical Damage<\/strong>: Handle with care during transportation and installation to avoid surface scratches.<\/li>\n<li><strong>Routine Inspection<\/strong>: Periodically check for signs of wear or damage and repair as necessary.<\/li>\n<\/ul>\n<article class=\"group\/turn w-full text-token-text-primary focus-visible:outline-2 focus-visible:outline-offset-[-4px]\" dir=\"auto\" tabindex=\"-1\" data-testid=\"conversation-turn-7\" data-scroll-anchor=\"false\">\n<div class=\"text-base my-auto mx-auto py-[18px] px-6\">\n<div class=\"mx-auto flex flex-1 text-base gap-4 md:gap-5 lg:gap-6 md:max-w-3xl\">\n<div class=\"group\/conversation-turn relative flex w-full min-w-0 flex-col @xs\/thread:px-0 @sm\/thread:px-1.5 @md\/thread:px-4\">\n<div class=\"flex-col gap-1 md:gap-3\">\n<div class=\"flex max-w-full flex-col flex-grow\">\n<div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 whitespace-normal break-words text-start [.text-message+&amp;]:mt-5\" dir=\"auto\" data-message-author-role=\"user\" data-message-id=\"3b62f304-1fbb-43f4-a922-a90051b5594e\">\n<div class=\"w-full\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden items-end rtl:items-start\">\n<div class=\"relative max-w-[var(--user-chat-width,70%)] rounded-3xl bg-token-message-surface px-5 py-2.5\">\n<h3 class=\"whitespace-pre-wrap\">6. Which is the best grade of stainless steel?<\/h3>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/article>\n<article class=\"group\/turn w-full text-token-text-primary focus-visible:outline-2 focus-visible:outline-offset-[-4px]\" dir=\"auto\" tabindex=\"-1\" data-testid=\"conversation-turn-8\" data-scroll-anchor=\"true\">\n<div class=\"text-base my-auto mx-auto py-[18px] px-6\">\n<div class=\"mx-auto flex flex-1 text-base gap-4 md:gap-5 lg:gap-6 md:max-w-3xl\">\n<div class=\"group\/conversation-turn relative flex w-full min-w-0 flex-col agent-turn @xs\/thread:px-0 @sm\/thread:px-1.5 @md\/thread:px-4\">\n<div class=\"flex-col gap-1 md:gap-3\">\n<div class=\"flex max-w-full flex-col flex-grow\">\n<div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 whitespace-normal break-words text-start [.text-message+&amp;]:mt-5\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"41efe11a-1960-40ac-8943-d4d0d07fa85a\" data-message-model-slug=\"gpt-4o\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[3px]\">\n<div class=\"markdown prose w-full break-words dark:prose-invert light\">\n<p class=\"\" data-start=\"0\" data-end=\"171\">The best grade of stainless steel depends on the application, as different grades excel in various conditions. However, some of the most commonly preferred grades include:<\/p>\n<ol data-start=\"173\" data-end=\"1142\">\n<li class=\"\" data-start=\"173\" data-end=\"391\">\n<p class=\"\" data-start=\"176\" data-end=\"391\"><strong data-start=\"176\" data-end=\"199\">304 Stainless Steel<\/strong> \u2013 The most widely used stainless steel due to its excellent corrosion resistance, affordability, and versatility. Ideal for kitchen equipment, food processing, and architectural applications.<\/p>\n<\/li>\n<li class=\"\" data-start=\"393\" data-end=\"584\">\n<p class=\"\" data-start=\"396\" data-end=\"584\"><strong data-start=\"396\" data-end=\"419\">316 Stainless Steel<\/strong> \u2013 Superior to 304 due to added molybdenum, which enhances resistance to chlorides and harsh environments. Commonly used in marine, chemical, and medical industries.<\/p>\n<\/li>\n<li class=\"\" data-start=\"586\" data-end=\"770\">\n<p class=\"\" data-start=\"589\" data-end=\"770\"><strong data-start=\"589\" data-end=\"612\">430 Stainless Steel<\/strong> \u2013 A cost-effective ferritic stainless steel with good corrosion resistance and excellent polishability, often used in appliances and decorative applications.<\/p>\n<\/li>\n<li class=\"\" data-start=\"772\" data-end=\"945\">\n<p class=\"\" data-start=\"775\" data-end=\"945\"><strong data-start=\"775\" data-end=\"799\">904L Stainless Steel<\/strong> \u2013 A high-end stainless steel with exceptional corrosion resistance, particularly in extreme chemical environments such as sulfuric acid handling.<\/p>\n<\/li>\n<li class=\"\" data-start=\"947\" data-end=\"1142\">\n<p class=\"\" data-start=\"950\" data-end=\"1142\"><strong data-start=\"950\" data-end=\"996\">Duplex Stainless Steels (e.g., 2205, 2507)<\/strong> \u2013 They offer a combination of high strength and excellent corrosion resistance, making them suitable for oil and gas, chemical, and marine industries.<\/p>\n<\/li>\n<\/ol>\n<div id=\"1660788172359\" class=\"cke-navigation\" contenteditable=\"false\">\n<p>Packaging &amp; Shipping<\/p>\n<\/div>\n<p><a href=\"https:\/\/keweicorten.com\/pa\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" title=\"ASTM Ss 312 304 2 Inch Welded\/Seamless Stainless Steel Pipe\" src=\"https:\/\/image.made-in-china.com\/226f3j00crLlbqpPaAuE\/ASTM-Ss-312-304-2-Inch-Welded-Seamless-Stainless-Steel-Pipe.webp\" alt=\"ASTM Ss 312 304 2 Inch Welded\/Seamless Stainless Steel Pipe\" width=\"734\" height=\"591\" data-original=\"\/\/image.made-in-china.com\/226f3j00crLlbqpPaAuE\/ASTM-Ss-312-304-2-Inch-Welded-Seamless-Stainless-Steel-Pipe.webp\" data-faw_img=\"true\" \/><\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/article>","protected":false},"excerpt":{"rendered":"<p>In the stainless steel industry, 312 stainless steel pipe is a special alloy pipe known for its excellent corrosion resistance and high-temperature strength. It is widely used across various industries. This article provides a detailed introduction to the material, specifications, properties, and key applications of 312 stainless steel pipes, helping you better understand their advantages and uses.<\/p>","protected":false},"featured_media":3986,"comment_status":"open","ping_status":"closed","template":"","meta":{"_eb_attr":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false},"product_brand":[],"product_cat":[21],"product_tag":[],"class_list":{"0":"post-3983","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-weather-resistant-steel-plate","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/keweicorten.com\/pa\/wp-json\/wp\/v2\/product\/3983"}],"collection":[{"href":"https:\/\/keweicorten.com\/pa\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/keweicorten.com\/pa\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/keweicorten.com\/pa\/wp-json\/wp\/v2\/comments?post=3983"}],"version-history":[{"count":3,"href":"https:\/\/keweicorten.com\/pa\/wp-json\/wp\/v2\/product\/3983\/revisions"}],"predecessor-version":[{"id":4422,"href":"https:\/\/keweicorten.com\/pa\/wp-json\/wp\/v2\/product\/3983\/revisions\/4422"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/keweicorten.com\/pa\/wp-json\/wp\/v2\/media\/3986"}],"wp:attachment":[{"href":"https:\/\/keweicorten.com\/pa\/wp-json\/wp\/v2\/media?parent=3983"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/keweicorten.com\/pa\/wp-json\/wp\/v2\/product_brand?post=3983"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/keweicorten.com\/pa\/wp-json\/wp\/v2\/product_cat?post=3983"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/keweicorten.com\/pa\/wp-json\/wp\/v2\/product_tag?post=3983"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}