A31
A31 (Standard Specification for Steel Rivets and Bars for Rivets, Pressure Vessels)· ASTM (United States) · 2 materials
| Designation | Material group | |
|---|---|---|
| A 31 Grade A | Structural and constructional steels | chevron_right |
| A 31 Grade B | Structural and constructional steels | chevron_right |