Specifications
Mechanical Properties
| Ultimate Tensile Strength | 150000 |
| Yield Strength | 110000 |
| Brinell Hardness | 10 |
| Elongation | 40 |
| Machinability and Weldability Machinability in the annealed condition is rated at 48% of B1112. Average cutting speed 80 ft/min. 17-4 is readily weldable by all the conventional processes. Preheating and post-heating practices used for the standard hardenable stainless grades are not required. 17-4 can be forged between 2050°-2150° F. Do not forge below 1850° F. Forgings are air cooled to 90° F or lower. |
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Technical Specifications
| ASTM A564 Type 630 AMS 5643 |
Chemistry
| C | .07 |
| Mn | 1 |
| Si | 1 |
| Cr | 165-17.5 |
| Ni | 3-5 |
| Cu | 3-5 |
| P | .04 |
| S | .3 |