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15-5PH Precipitation Hardening Steel15-5PH VAR/ESR (AMS 5659)

Precipitation Hardening Stainless Steel Bar

15/5 PH VAR is a martensitic, precipitation hardening stainless steel containing 4% copper.

It possesses all the advantages of 17/4 PH, including single low-temperature thermal treatment. It also offers excellent transverse notch toughness and ductility and very good uniformity of properties. The mechanical properties in larger sections and forgability are superior to that of 17/4 PH. 15/5 PH VAR is produced by the consumable electrode, vacuum arc re-melted route which enhances ductility and toughness and gives an essentially ferrite-free microstructure.

This alloy has a typical density of 7.8 kg/dm³ and magnetic permeability of 95.

Technical Assistance

Our knowledgeable staff and resident metallurgists will be pleased to assist you further on any technical topic. Smiths Metal Centres Limited also boasts an in-house UKAS Accredited Testing Laboratory which is unique within the multi-metal and plastic stockholding sector. We believe this underlines our total commitment to quality and our ethos of being the complete service provider.

Download 15-5PH Precipitation Hardening Steel Datasheet

Typical Applications:

15/5 PH is very suitable for intricate parts requiring machining and welding and/or where distortion in conventional heat treatment is a problem.

It is employed where high strength and good corrosion resistance are required. This alloy finds extensive use in aircraft and missile construction ranging from parts for instrumentation to landing gear components.

15/5 PH is also employed for valve parts, fittings, fasteners, shafts and gears and chemical process equipment and nuclear reactor components.

Availability & Processing

We offer 15-5PH Precipitation Hardening Steel in bar. We provide processing services at our Head office and 14 service centres across the Group. With more than 30 band saws and a fully automated magazine feed CNC rod blanking line, we can process your material to your specific requirements.

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To find out more about Smiths Metal Centres extensive range of precipitation hardening steel products, click on one of our products on the side menu of this web page.

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