[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-1-en-105":3,"doc-seo-568600-105":53,"doc-detail-568600-en":127},{"code":4,"msg":5,"data":6},0,"success",[7,14,19,24,29,34,39,44,49],{"id":8,"doc_module":9,"doc_module_name":10,"category_name":11,"show_sort_weight":12,"slug":13},11,1,"Template","Presentations",90,"presentations",{"id":15,"doc_module":9,"doc_module_name":10,"category_name":16,"show_sort_weight":17,"slug":18},12,"Resumes",80,"resumes",{"id":20,"doc_module":9,"doc_module_name":10,"category_name":21,"show_sort_weight":22,"slug":23},14,"Invoices",70,"invoices",{"id":25,"doc_module":9,"doc_module_name":10,"category_name":26,"show_sort_weight":27,"slug":28},15,"Posters",60,"posters",{"id":30,"doc_module":9,"doc_module_name":10,"category_name":31,"show_sort_weight":32,"slug":33},16,"Social Media",50,"social-media",{"id":35,"doc_module":9,"doc_module_name":10,"category_name":36,"show_sort_weight":37,"slug":38},17,"Forms",40,"forms",{"id":40,"doc_module":9,"doc_module_name":10,"category_name":41,"show_sort_weight":42,"slug":43},18,"Letters",30,"letters",{"id":45,"doc_module":9,"doc_module_name":10,"category_name":46,"show_sort_weight":47,"slug":48},21,"Paper Templates",5,"papers-templates",{"id":50,"doc_module":9,"doc_module_name":10,"category_name":51,"show_sort_weight":4,"slug":52},158,"General","general-158",{"code":4,"msg":54,"data":55},"ok",{"site_id":56,"language":57,"slug":58,"title":59,"keywords":60,"description":61,"schema_data":62,"social_meta":120,"head_meta":122,"extra_data":124,"updated_unix":126},105,"en","psb27-technical-data-heat-treatment","PSB27 - Technical Data - Heat Treatment","","PSB27 is a premium spray-formed high carbon, high chrome steel designed for specialty knives and cutlery. The spray forming process creates evenly distributed round carbides that enhance wear resistance and toughness, while high chromium content improves corrosion resistance. The sheet details chemical composition ranges, comparison heat treat response with hardness and Charpy impact, size changes during hardening, surface treatment options, and full heat treatment guidance including annealing, stress relieving, hardening, quenching, and tempering requirements.",{"@graph":63,"@context":119},[64,80,102],{"@type":65,"itemListElement":66},"BreadcrumbList",[67,71,74,77],{"item":68,"name":69,"@type":70,"position":9},"https://docshare.wps.com","Home","ListItem",{"item":72,"name":10,"@type":70,"position":73},"https://docshare.wps.com/template/",2,{"item":75,"name":51,"@type":70,"position":76},"https://docshare.wps.com/template/general/",3,{"item":78,"name":59,"@type":70,"position":79},"https://docshare.wps.com/template/psb27-technical-data-heat-treatment/568600/",4,{"url":78,"name":59,"@type":81,"image":82,"author":87,"headline":59,"publisher":90,"fileFormat":93,"inLanguage":57,"description":61,"dateModified":94,"datePublished":95,"encodingFormat":93,"isAccessibleForFree":96,"interactionStatistic":97},"DigitalDocument",{"url":83,"@type":84,"width":85,"height":86},"https://docshare.wps.com/thumbnails/psb27-technical-data-heat-treatment/568600.png","ImageObject",442,249,{"name":88,"@type":89},"Riley","Person",{"url":68,"name":91,"@type":92},"DocShare","Organization","application/pdf","2026-10-22","2026-10-13",true,{"@type":98,"interactionType":99,"userInteractionCount":101},"InteractionCounter",{"@type":100},"ViewAction",7,{"@type":103,"mainEntity":104},"FAQPage",[105,111,115],{"name":106,"@type":107,"acceptedAnswer":108},"What makes PSB27 suitable for industrial knives and cutlery?","Question",{"text":109,"@type":110},"PSB27 is a spray-formed high carbon, high chrome steel that provides improved wear resistance and toughness via evenly distributed round carbides, along with good corrosion resistance from its high chromium content.","Answer",{"name":112,"@type":107,"acceptedAnswer":113},"What are the key chemical composition ranges for PSB27?",{"text":114,"@type":110},"The sheet lists ranges including carbon 1.50–1.60%, molybdenum 0.65–0.80%, vanadium 0.75–0.90%, chromium 11.00–12.50%, silicon 0.40–0.50%, and manganese 0.30–0.45%.",{"name":116,"@type":107,"acceptedAnswer":117},"What heat treatment steps and requirements are specified for PSB27?",{"text":118,"@type":110},"It provides annealing at 1600°F with specified holding and cooling, stress relieving at 1100/1200°F for two hours, hardening with preferred salt bath/protective atmosphere/vacuum furnace, austenitizing at 1870/1900°F for at least 30 minutes, quenching with critical rate guidance, and tempering with a minimum 400°F and double tempering.","https://schema.org",{"og:url":78,"og:type":121,"og:title":59,"og:site_name":91,"og:description":61},"article",{"robots":123,"canonical":78},"index,follow",{"doc_id":125,"site_id":56},568600,1792091287,{"code":4,"msg":5,"data":128},{"doc_id":125,"user_id":129,"nickname":88,"user_avatar":130,"doc_module":9,"category_id":50,"category_name":51,"doc_title":59,"doc_description":61,"doc_content":131,"file_id":132,"file_url":133,"file_type":134,"file_size":135,"view_count":101,"is_deleted":4,"is_public":9,"is_downloadable":9,"audit_status":9,"page_count":73,"language":136,"language_code":57,"site_id":56,"html_lang":57,"table_of_contents":137,"faqs":138,"seo_title":139,"seo_description":61,"update_tm":140,"read_time":9},1374391975076,"https://ap-avatar.wpscdn.com/avatar/14000253ca4ec9f6853?x-image-process=image/resize,m_fixed,w_180,h_180&k=1783305029341752051","Your First Choice for Specialty Metals  \nPSB27 – Technical Data  \n\n| General Description: |\n| --- |\n| PSB27 is a premium spray formed high carbon, high chrome steel. The spray forming process yields evenly distributed round carbides which improves wear resistance and toughness. In addition, the high chromium content provides good corrosion resistance. PSB27 has been used extensively for industrial knives and cutlery knives. |\n\n\n| Example of applications: |\n| --- |\n| Industrial knives, cutlery knives, rotational cutting dies and thread rolling dies. |\n\n\n| Chemical Composition |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- |\n| Carbon | Molybdenum | Vanadium | Chromium | Silicon | Manganese |\n| 1.50-1. 60% | 0.65-0.80% | 0.75-0. 90% | 11.00-12. 50% | 0.40-0.50% | 0.30-0.45% |\n\nComparison Chart  \n| Typical Heat Treat Response |\n| --- |\n| Hardening Temp\u003Cbr>oF\u003Cbr>Tempering Temp\u003Cbr>oF\u003Cbr>Hardness HRC Charpy C-Notch Ft.-lbs |\n| 1900 400 61 24 |\n| 500 60 26 |\n| 650 59 25 |\n| 800 58 24 |\n| 950 61 23 |\n\n\n| Size Changes During Hardening |\n| --- |\n| Hardening Temp oF\u003Cbr>Tempering Temp oF\u003Cbr>HRC\u003Cbr>Longitudinal Size Change % |\n| 1900 500 60.5 + .03% |\n| 1900 950 61 +0 .04% |\n\n\n| Surface Treatment |\n| --- |\n| Standard surface treatments such as nitriding, titanium-nitride coating, or hard chrome plating can be used. Prior to nitriding or PVD treatment, must double temper at or above process temerature. |\n\n1-800-365-1116 WWW.SBSM.COM  \nYour First Choice for Specialty Metals  \nPSB27 – Technical Data  \nHeat Treatment  \n\n| Annealing |\n| --- |\n| Heat to 1600ºF, hold for two hours. Slow cool 25ºF/hour to 1000ºF.\u003Cbr>Then air or furnace cool to room temperature. |\n\n\n| Stress Relieving |\n| --- |\n| Performed prior or after machining to minimize distortion in heat treating. 1100/1200ºF, hold two hours.\u003Cbr>Then air cool to room temperature. |\n\n\n| Hardening |\n| --- |\n| Salt bath, protective atmosphere, or vacuum furnace equipment preferred. |\n\n\n| High Heat (Austenitizing) |\n| --- |\n| Preheat to 1350-1400oF-let part equalize. Then austenitize at 1870/1900oFfor a minimum of 30 minutes at austenitizing temperature. |\n\n\n| Quench |\n| --- |\n| Salt bath quench to 1000-1100ºF, equalize, then air cool to 150ºF.\u003Cbr>Vacuum or atmosphere quench rate of a minimum 50 oF per minute down to 1200 oF is critical to achieve best heat treat response.\u003Cbr>Temper immediately following quench. |\n\n\n| Tempering |\n| --- |\n| Minimum 400ºF tempering temperature required.\u003Cbr>Double tempering is required, triple tempering recommended. Air cool to room temperature between tempers. |\n\nPhysical Properties  \n\n| Modulus of Elasticity | 30 PSI x 106   (207GPa) | Density | 0.283 lb/In3 |\n| --- | --- | --- | --- |\n| Annealed Hardness | 215-255 Brinell Hardness (BHN) | Machinability | 90% of D2 |\n\n1-800-365-1116 WWW.SBSM.COM","cbCaiaQ8VQa2w7nc","https://ap.wps.com/l/cbCaiaQ8VQa2w7nc","pdf",828581,"English","# General Description\n# Example of Applications\n# Chemical Composition\n# Comparison Chart - Typical Heat Treat Response\n# Size Changes During Hardening\n# Surface Treatment\n# Heat Treatment\n## Annealing\n## Stress Relieving\n## Hardening\n## High Heat (Austenitizing)\n## Quench\n## Tempering\n# Physical Properties","[{\"question\":\"What makes PSB27 suitable for industrial knives and cutlery?\",\"answer\":\"PSB27 is a spray-formed high carbon, high chrome steel that provides improved wear resistance and toughness via evenly distributed round carbides, along with good corrosion resistance from its high chromium content.\"},{\"question\":\"What are the key chemical composition ranges for PSB27?\",\"answer\":\"The sheet lists ranges including carbon 1.50–1.60%, molybdenum 0.65–0.80%, vanadium 0.75–0.90%, chromium 11.00–12.50%, silicon 0.40–0.50%, and manganese 0.30–0.45%.\"},{\"question\":\"What heat treatment steps and requirements are specified for PSB27?\",\"answer\":\"It provides annealing at 1600°F with specified holding and cooling, stress relieving at 1100/1200°F for two hours, hardening with preferred salt bath/protective atmosphere/vacuum furnace, austenitizing at 1870/1900°F for at least 30 minutes, quenching with critical rate guidance, and tempering with a minimum 400°F and double tempering.\"}]","PSB27 - Technical Data - Heat Treatment | PDF",1791871551]