Specifications
Mechanical Properties
| Ultimate Tensile Strength | 90,000 |
| Yield Strength | 70,000 |
| Brinell Hardness | 187 |
| Rockwell Hardness | RB91 |
| Elongation | % in 2 |
| Machinability and Weldability Machinability, Good - depends on heat treat condition; 60 - 70%. Weldability: Excellent for alloy |
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Technical Specifications
| ASTM A519 |
| AMS 6360 |
| AMS 6371 |
| MIL-T-6736 |
Chemistry
| C | .28-.33 |
| Mn | .4-.6 |
| P | .035 max |
| S | .040 max |
| Si | .15-.35 |
| Cr | .80-1.10 |
| Mo | .15-.25 |
| Fe | remainder |