A821/A821M
A821/A821M (Standard Specification for Steel Wire, Hard Drawn for Prestressing Concrete Tanks)· ASTM (United States) · 2 materials
| Designation | Material group | |
|---|---|---|
| A 821 Type A | Structural and constructional steels | chevron_right |
| A 821 Type B | Structural and constructional steels | chevron_right |