{"id":4856,"date":"2025-06-16T16:04:30","date_gmt":"2025-06-16T08:04:30","guid":{"rendered":"https:\/\/yunming-metal.com\/?post_type=product&p=4856"},"modified":"2025-06-16T17:07:05","modified_gmt":"2025-06-16T09:07:05","slug":"17-4ph-stainless-steel","status":"publish","type":"product","link":"https:\/\/yunming-metal.com\/en\/product\/17-4ph-stainless-steel\/","title":{"rendered":"17-4PH Stainless Steel"},"content":{"rendered":"

Product Overview<\/strong><\/h3>\n

17-4PH stainless steel (UNS S17400) is a martensitic precipitation hardening stainless steel known for its exceptional combination of high strength, good corrosion resistance, and excellent mechanical properties at temperatures up to 600\u00b0F (316\u00b0C). It offers a versatile solution for industries requiring structural integrity, precision, and durability under demanding conditions.<\/p>\n

Application Areas<\/strong><\/h3>\n
    \n
  • \n

    Aerospace and aircraft components<\/p>\n<\/li>\n

  • \n

    Nuclear reactor parts<\/p>\n<\/li>\n

  • \n

    Chemical processing equipment<\/p>\n<\/li>\n

  • \n

    Valves, flanges, and fittings<\/p>\n<\/li>\n

  • \n

    Marine shafts and pump parts<\/p>\n<\/li>\n

  • \n

    Oil & gas field equipment<\/p>\n<\/li>\n<\/ul>\n

    Product Features<\/strong><\/h3>\n
      \n
    • \n

      High tensile and yield strength after aging<\/p>\n<\/li>\n

    • \n

      Excellent corrosion resistance in many environments<\/p>\n<\/li>\n

    • \n

      Good toughness in both longitudinal and transverse directions<\/p>\n<\/li>\n

    • \n

      Easily weldable and machinable<\/p>\n<\/li>\n

    • \n

      Heat treatable to multiple hardness conditions (H900\u2013H1150)<\/p>\n<\/li>\n<\/ul>\n

      Technical Specifications<\/strong><\/h3>\n
      \n
      \n\n\n\n\n\n\n\n
      Condition<\/th>\nDiameter \/ Thickness<\/th>\nWidth (mm \/ in)<\/th>\nLength (mm \/ in)<\/th>\nHardness<\/th>\n<\/tr>\n<\/thead>\n
      Annealed<\/td>\n8\u2013300 mm \/ \u2075\u2044\u2081\u2086\u2033\u201311 \u2077\u2044\u2088\u2033<\/td>\nup to 2000 mm \/ 78 \u00b3\u2044\u2084\u2033<\/td>\nup to 6000 mm \/ 236 \u00b9\u2044\u2084\u2033<\/td>\n\u2264 363 HB<\/td>\n<\/tr>\n
      H900<\/td>\n8\u2013250 mm \/ \u2075\u2044\u2081\u2086\u2033\u20139 \u2077\u2078\u2033<\/td>\nup to 1500 mm \/ 59\u2033<\/td>\nup to 6000 mm \/ 236 \u00b9\u2044\u2084\u2033<\/td>\n44\u201347 HRC<\/td>\n<\/tr>\n
      H1025<\/td>\n8\u2013250 mm \/ \u2075\u2044\u2081\u2086\u2033\u20139 \u2077\u2078\u2033<\/td>\nup to 1500 mm \/ 59\u2033<\/td>\nup to 6000 mm \/ 236 \u00b9\u2044\u2084\u2033<\/td>\n35\u201340 HRC<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      \n
      Custom tolerances and dimensions are available upon request.<\/em><\/div>\n<\/div>\n<\/div>\n<\/div>\n

      Manufacturing Process<\/strong><\/h3>\n
        \n
      1. \n

        Vacuum induction melting (VIM) or ESR<\/p>\n<\/li>\n

      2. \n

        Hot rolled or forged to desired shape<\/p>\n<\/li>\n

      3. \n

        Solution treated and annealed<\/p>\n<\/li>\n

      4. \n

        Precision machining or cutting<\/p>\n<\/li>\n

      5. \n

        Precipitation hardening (H900, H1025, etc.)<\/p>\n<\/li>\n

      6. \n

        Final inspection, certification, and packaging<\/p>\n<\/li>\n<\/ol>\n

        FAQ<\/strong><\/h3>\n

        Q1: What is the main benefit of 17-4PH stainless steel?<\/strong>
        A: It delivers high strength and corrosion resistance with the flexibility of heat treatment for specific hardness needs.<\/p>\n

        Q2: Can 17-4PH be welded?<\/strong>
        A: Yes, standard welding methods can be used, with post-weld aging to restore mechanical properties.<\/p>\n

        Q3: What is the aging process for 17-4PH?<\/strong>
        A: It involves heating the material to specific temperatures (e.g., 900\u00b0F for H900) to achieve desired hardness.<\/p>\n

        Q4: Is 17-4PH suitable for marine environments?<\/strong>
        A: Yes, it has moderate-to-good corrosion resistance in saltwater and marine conditions, especially in aged states.<\/p>\n

        Q5: What is the difference between 17-4PH and 304 stainless steel?<\/strong>
        A: 17-4PH offers far greater strength and hardness, while 304 is more formable and corrosion-resistant in non-critical environments.<\/p>\n

        Still Have Questions?<\/strong><\/h3>\n

        Feel free to contact us for more details or to discuss your custom 17-4PH stainless steel requirements.
        Our technical support team is ready to assist with specifications, certifications, and delivery.<\/p>\n","protected":false},"excerpt":{"rendered":"

        Yunming Metal supplies precipitation hardening stainless steel including 17-4PH and 15-5PH, known for exceptional strength and corrosion resistance. Ideal for aerospace, marine, and industrial use.<\/p>\n","protected":false},"featured_media":4857,"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-4856","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":"\n17-4PH Stainless Steel | High Strength & Corrosion Resistance<\/title>\n<meta name=\"description\" content=\"Get 17-4PH stainless steel with high strength and excellent corrosion resistance. 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