{"id":2551,"date":"2024-10-27T09:07:42","date_gmt":"2024-10-27T09:07:42","guid":{"rendered":"https:\/\/yunming-metal.com\/?post_type=product&#038;p=2551"},"modified":"2025-06-16T16:54:11","modified_gmt":"2025-06-16T08:54:11","slug":"precipitation-hardening-stainless-steel","status":"publish","type":"product","link":"https:\/\/yunming-metal.com\/en\/product\/precipitation-hardening-stainless-steel\/","title":{"rendered":"Precipitation Hardening Stainless Steel"},"content":{"rendered":"<h3 data-start=\"131\" data-end=\"157\"><strong data-start=\"135\" data-end=\"155\">Product Overview<\/strong><\/h3>\n<p data-start=\"158\" data-end=\"671\">Precipitation hardening stainless steel, also known as PH stainless steel, offers an exceptional combination of high strength, hardness, and corrosion resistance. This type of steel is ideal for applications where both mechanical performance and corrosion protection are critical, particularly after heat treatment. Its ability to achieve superior mechanical properties through aging processes makes it a top choice in demanding industries such as aerospace, petrochemical, and precision components manufacturing.<\/p>\n<h3 data-start=\"673\" data-end=\"700\"><strong data-start=\"677\" data-end=\"698\">Application Areas<\/strong><\/h3>\n<ul data-start=\"701\" data-end=\"920\">\n<li data-start=\"701\" data-end=\"736\">\n<p data-start=\"703\" data-end=\"736\">Aerospace structural components<\/p>\n<\/li>\n<li data-start=\"737\" data-end=\"778\">\n<p data-start=\"739\" data-end=\"778\">High-performance shafts and fasteners<\/p>\n<\/li>\n<li data-start=\"779\" data-end=\"824\">\n<p data-start=\"781\" data-end=\"824\">Nuclear and chemical processing equipment<\/p>\n<\/li>\n<li data-start=\"825\" data-end=\"867\">\n<p data-start=\"827\" data-end=\"867\">Marine hardware and offshore platforms<\/p>\n<\/li>\n<li data-start=\"868\" data-end=\"920\">\n<p data-start=\"870\" data-end=\"920\">Valves, flanges, and high-strength pipe fittings<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"922\" data-end=\"948\"><strong data-start=\"926\" data-end=\"946\">Product Features<\/strong><\/h3>\n<ul data-start=\"949\" data-end=\"1185\">\n<li data-start=\"949\" data-end=\"987\">\n<p data-start=\"951\" data-end=\"987\">Excellent strength-to-weight ratio<\/p>\n<\/li>\n<li data-start=\"988\" data-end=\"1041\">\n<p data-start=\"990\" data-end=\"1041\">Superior mechanical strength after heat treatment<\/p>\n<\/li>\n<li data-start=\"1042\" data-end=\"1097\">\n<p data-start=\"1044\" data-end=\"1097\">Resistance to stress corrosion cracking and fatigue<\/p>\n<\/li>\n<li data-start=\"1098\" data-end=\"1134\">\n<p data-start=\"1100\" data-end=\"1134\">Good weldability and formability<\/p>\n<\/li>\n<li data-start=\"1135\" data-end=\"1185\">\n<p data-start=\"1137\" data-end=\"1185\">Suitable for both annealed and aged conditions<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"1187\" data-end=\"1221\"><strong data-start=\"1191\" data-end=\"1219\">Technical Specifications<\/strong><\/h3>\n<div class=\"_tableContainer_16hzy_1\">\n<div class=\"_tableWrapper_16hzy_14 group flex w-fit flex-col-reverse\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"1223\" data-end=\"1616\">\n<thead data-start=\"1223\" data-end=\"1304\">\n<tr data-start=\"1223\" data-end=\"1304\">\n<th data-start=\"1223\" data-end=\"1231\" data-col-size=\"sm\">Grade<\/th>\n<th data-start=\"1231\" data-end=\"1254\" data-col-size=\"sm\">Diameter \/ Thickness<\/th>\n<th data-start=\"1254\" data-end=\"1272\" data-col-size=\"sm\">Width (mm \/ in)<\/th>\n<th data-start=\"1272\" data-end=\"1291\" data-col-size=\"sm\">Length (mm \/ in)<\/th>\n<th data-start=\"1291\" data-end=\"1304\" data-col-size=\"sm\">Condition<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"1388\" data-end=\"1616\">\n<tr data-start=\"1388\" data-end=\"1502\">\n<td data-start=\"1388\" data-end=\"1397\" data-col-size=\"sm\">17-4PH<\/td>\n<td data-col-size=\"sm\" data-start=\"1397\" data-end=\"1424\">8\u2013300 mm \/ \u2075\u2044\u2081\u2086\u2033\u201311 \u2077\u2044\u2088\u2033<\/td>\n<td data-col-size=\"sm\" data-start=\"1424\" data-end=\"1450\">up to 2000 mm \/ 78 \u00b3\u2044\u2084\u2033<\/td>\n<td data-col-size=\"sm\" data-start=\"1450\" data-end=\"1477\">up to 6000 mm \/ 236 \u00b9\u2044\u2084\u2033<\/td>\n<td data-col-size=\"sm\" data-start=\"1477\" data-end=\"1502\">Annealed \/ H900\u2013H1150<\/td>\n<\/tr>\n<tr data-start=\"1503\" data-end=\"1616\">\n<td data-start=\"1503\" data-end=\"1512\" data-col-size=\"sm\">15-5PH<\/td>\n<td data-start=\"1512\" data-end=\"1537\" data-col-size=\"sm\">8\u2013250 mm \/ \u2075\u2044\u2081\u2086\u2033\u20139 \u2077\u2078\u2033<\/td>\n<td data-start=\"1537\" data-end=\"1563\" data-col-size=\"sm\">up to 1800 mm \/ 70 \u2077\u2044\u2088\u2033<\/td>\n<td data-start=\"1563\" data-end=\"1590\" data-col-size=\"sm\">up to 6000 mm \/ 236 \u00b9\u2044\u2084\u2033<\/td>\n<td data-start=\"1590\" data-end=\"1616\" data-col-size=\"sm\">Annealed \/ H1025\u2013H1150<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"sticky end-(--thread-content-margin) h-0 self-end select-none\">\n<div class=\"absolute end-0 flex items-end\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<blockquote data-start=\"1618\" data-end=\"1673\">\n<p data-start=\"1620\" data-end=\"1673\"><em data-start=\"1620\" data-end=\"1673\">Custom sizes and tolerances available upon request.<\/em><\/p>\n<\/blockquote>\n<h3 data-start=\"1675\" data-end=\"1706\"><strong data-start=\"1679\" data-end=\"1704\">Manufacturing Process<\/strong><\/h3>\n<ol data-start=\"1707\" data-end=\"1918\">\n<li data-start=\"1707\" data-end=\"1753\">\n<p data-start=\"1710\" data-end=\"1753\">Raw material melting (VIM + ESR optional)<\/p>\n<\/li>\n<li data-start=\"1754\" data-end=\"1780\">\n<p data-start=\"1757\" data-end=\"1780\">Hot rolling \/ forging<\/p>\n<\/li>\n<li data-start=\"1781\" data-end=\"1804\">\n<p data-start=\"1784\" data-end=\"1804\">Solution annealing<\/p>\n<\/li>\n<li data-start=\"1805\" data-end=\"1829\">\n<p data-start=\"1808\" data-end=\"1829\">Precision machining<\/p>\n<\/li>\n<li data-start=\"1830\" data-end=\"1882\">\n<p data-start=\"1833\" data-end=\"1882\">Aging heat treatment (H900, H1025, H1150, etc.)<\/p>\n<\/li>\n<li data-start=\"1883\" data-end=\"1918\">\n<p data-start=\"1886\" data-end=\"1918\">Final inspection and packaging<\/p>\n<\/li>\n<\/ol>\n<h3 data-start=\"1920\" data-end=\"1960\"><strong data-start=\"1924\" data-end=\"1958\">\ud83d\udd39 View Detailed Product Pages<\/strong><\/h3>\n<ul data-start=\"1961\" data-end=\"2152\">\n<li data-start=\"1961\" data-end=\"2056\">\n<p data-start=\"1963\" data-end=\"2056\"><a href=\"https:\/\/yunming-metal.com\/product\/17-4ph-stainless-steel\/\">View 17-4PH Stainless Steel<\/a><\/p>\n<\/li>\n<li data-start=\"2057\" data-end=\"2152\">\n<p data-start=\"2059\" data-end=\"2152\"><a class=\"cursor-pointer\" href=\"https:\/\/yunming-metal.com\/product\/15-5ph-stainless-steel\/ \u200e\" target=\"_new\" rel=\"noopener\" data-start=\"2059\" data-end=\"2150\">View 15-5PH Stainless Steel<\/a><\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"2159\" data-end=\"2170\"><strong data-start=\"2163\" data-end=\"2170\">FAQ<\/strong><\/h3>\n<p data-start=\"2172\" data-end=\"2366\"><strong data-start=\"2172\" data-end=\"2248\">Q1: What is the main benefit of precipitation hardening stainless steel?<\/strong><br data-start=\"2248\" data-end=\"2251\" \/>A: It provides high strength and corrosion resistance while allowing heat treatment flexibility to adjust hardness.<\/p>\n<p data-start=\"2368\" data-end=\"2472\"><strong data-start=\"2368\" data-end=\"2416\">Q2: What are common grades in this category?<\/strong><br data-start=\"2416\" data-end=\"2419\" \/>A: 17-4PH and 15-5PH are the most widely used grades.<\/p>\n<p data-start=\"2474\" data-end=\"2619\"><strong data-start=\"2474\" data-end=\"2497\">Q3: Is it weldable?<\/strong><br data-start=\"2497\" data-end=\"2500\" \/>A: Yes, PH stainless steels are generally weldable using standard processes, with post-weld heat treatment recommended.<\/p>\n<p data-start=\"2621\" data-end=\"2786\"><strong data-start=\"2621\" data-end=\"2669\">Q4: Can it be used in seawater environments?<\/strong><br data-start=\"2669\" data-end=\"2672\" \/>A: Yes, especially in aged condition, it offers reliable corrosion resistance in marine and offshore applications.<\/p>\n<p data-start=\"2788\" data-end=\"2957\"><strong data-start=\"2788\" data-end=\"2845\">Q5: What is the difference between 17-4PH and 15-5PH?<\/strong><br data-start=\"2845\" data-end=\"2848\" \/>A: 15-5PH has better transverse toughness and is more suitable for critical aerospace and nuclear components.<\/p>\n<h3 data-start=\"3052\" data-end=\"3071\">Still Have Questions?<\/h3>\n<p data-start=\"3072\" data-end=\"3278\"><a href=\"https:\/\/yunming-metal.com\/en\/contact\/\">Contact us<\/a> for technical advice or quote on precipitation hardening stainless steel materials. We support standard and custom requirements with full certification and rapid delivery.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Precipitation hardening stainless steel includes grades like 17-4PH and 15-5PH, offering high strength, good corrosion resistance, and excellent dimensional stability for aerospace, precision parts, and medical applications.<\/p>\n","protected":false},"featured_media":4849,"comment_status":"open","ping_status":"closed","template":"","meta":{"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":"","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":[30,37],"product_tag":[],"class_list":{"0":"post-2551","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-special-alloys","7":"product_cat-precipitation-hardening-stainless-steel","8":"desktop-align-left","9":"tablet-align-left","10":"mobile-align-left","12":"first","13":"instock","14":"shipping-taxable","15":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.9 (Yoast SEO v26.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Precipitation Hardening Stainless Steel \u2013 17-4PH \/ 15-5PH<\/title>\n<meta name=\"description\" content=\"Explore 17-4PH, 15-5PH and other precipitation hardening stainless steels for aerospace, precision, and medical use.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/yunming-metal.com\/en\/product\/precipitation-hardening-stainless-steel\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Precipitation Hardening Stainless Steel\" \/>\n<meta property=\"og:description\" content=\"Explore 17-4PH, 15-5PH and other precipitation hardening stainless steels for aerospace, precision, and medical use.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/yunming-metal.com\/en\/product\/precipitation-hardening-stainless-steel\/\" \/>\n<meta property=\"og:site_name\" content=\"Yunming Metal - Stainless Steel Manufacturer &amp; 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