B131
B131 (Standard Specification for Copper Alloy Bullet Jacket Cups)· ASTM (United States) · 4 materials
| Designation | Material group | |
|---|---|---|
| B131 C22000 Type I | Copper | chevron_right |
| B131 C22000 Type II | Copper | chevron_right |
| B131 C22000 Type III | Copper | chevron_right |
| B131 C22000 Type IV | Copper | chevron_right |