Precipitation Hardening Stainless Steel
15-7 PH is a semi-austenitic precipitation-hardening stainless steel which combines high strength with hardness.
The alloy has good corrosion resistance and minimum distortion when heat-treated. It is easily formed in the annealed condition, in the heat-treated condition 15-7 PH provides excellent mechanical properties at temperatures up to 900°F (482°C). Corrosion resistance is good and in certain environments, corrosion resistance mirrors chromium-nickel stainless steels.
15-7PH is weldable by common fusion and resistance methods but has a poor weldability rating when compared to 17-4PH.
15-7PH precipitation hardening steel offers high strength and hardness and is easily formed in the annealed condition. With good corrosion resistance it should be noted that 15-7PH has poor weldability rating compared to 17-4PH.
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.
- Tooling in the Aerospace Industry
- CNC components
- Mould & gauge making
- General tooling
- Retaining rings
Availability & Processing
We offer 15-7PH Precipitation Hardening Steel in bar. Smiths Metal Centres has processing operations at all our UK service centre locations. We have a fully automated magazine feed CNC rod blanking line and with more than 30 power saws across the Group, we can cut your material to your size 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.