ASTM A693
This specification covers precipitation-hardening stainless steel plate, sheet, and strip. The mechanical properties of these steels are developed by suitable low-temperature heat treatments generally referred to as precipitation hardening. These steels are used for parts requiring corrosion resistance and high strength at room temperature or at temperatures up to 600°F (315°C). Some of these steels are particularly suitable for moderate to severe drawing and forming in the solution-treated condition. Others are capable of mild forming only. They are suitable for machining in the solution-annealed condition, after which they may be hardened to the mechanical properties specified in this standard without danger of cracking or distortion.
ASTM A666 Grades
| Type | UNS Designation |
|---|---|
| 630 | S17400 |
| 631 | S17700 |
| 632 | S15700 |
| 633 | S35000 |
| 634 | S35500 |
| 635 | S17600 |
| XM-9 | S36200 |
| XM-12 | S15500 |
| XM-13 | S13800 |
| XM-16 | S45500 |
| XM-25 | S45000 |
| - | S46500 |
| - | S46910 |
