Stainless Steel AISI 631 (17-7PH)
Equivalent material: EN 1.4568, DIN X7CrNiAl17-7, UNS S17700, SS 2388, AISI 631(17-7PH)
- EN 10270-3 Grade X7CrNiAl17-7 precipitation hardened (+P)
- EN 10270-3 Grade X7CrNiAl17-7 cold drawn
- DIN 17224 Grade X 7 CrNiAl 17 7 solution annealed (+AT)
- EN 10088-1 Grade X7CrNiAl17-7 solution annealed (+AT)
- UNS S17700 Hardened
- UNS S17700 Annealed
- UNS S17700 Solution Treated
- ASTM A705 Grade 631 Age-Hardening RH950
- ASTM A705 Grade 631 Age-Hardening TH1050
- ASTM A693 Grade 631 Precipitation hardened at 760 °C + 15 °C + 566 °C
Stainless Steel AISI 631 (17-7PH) general
| Property | Value | Comment |
|---|---|---|
| Aluminium | Aluminium of 0.75 - 1.5 % | - |
| Carbon | Carbon of 0.09 % | - |
| Chromium | Chromium of 16 - 18 % | - |
| Iron | Iron of 70.58 - 76.75 % | Balance |
| Manganese | Manganese of 1 % | - |
| Nickel | Nickel of 6.5 - 7.75 % | - |
| Phosphorus | Phosphorus of 0.04 % | - |
| Silicon | Silicon of 1 % | - |
| Sulfur | Sulfur of 0.03 % | - |