![AISI 630](http://www.ninesteel-ss.com/cdn/shop/files/8_d441598e-6e04-4dab-ab88-4ddd3f2f2e0f.png?v=1687253060&width=1445)
![17-7PH](http://www.ninesteel-ss.com/cdn/shop/files/2_d99d0118-ef25-4549-8546-031ac765e4f4.png?v=1687253061&width=1445)
AISI 631 - 17-7PH
![](https://cdn.shopifycdn.net/s/files/1/0668/4311/5840/files/decoration.png?v=1666599235)
Essential details
17-7PH is a high strength, heat treatable stainless steel. Its excellent fatigue properties, good corrosion resistance, and minimum distortion upon heat treatment make it a valuable material for aerospace applications. It's also ideal for flat springs in temperatures up to 600°F (316°C).
Typical Applications:
- Variety of springs and washers
- Chemical processing equipment
- Heat exchangers
- Power boilers
- Superheater tubes
- Components used in high-strength/high-temperature conditions
![](http://www.ninesteel-ss.com/cdn/shop/files/Martensite_Stainless_Steel.webp?v=1683788916)
Get a free Quote
![](https://cdn.shopify.com/s/files/1/0668/4311/5840/files/14.png?v=1666599440)
Call Us:
+86-21-67890007
Visit Us:
Building #32, No.288 Xinzhuan Road, Songjiang District, Shanghai, China 201612
Email Us:
inquiry@ninesteel-cs.com
inquiry-carbon@ninesteel-cs.com
inquiry-ru@ninesteel-cs.com
Get a free Quote
![](https://cdn.shopify.com/s/files/1/0668/4311/5840/files/14.png?v=1666599440)