A911/A911M
A911/A911M (Standard Specification for Low-Relaxation Steel Bars for Prestressed Concrete Railroad Ties)· ASTM (United States) · 1 materials
| Designation | Material group | |
|---|---|---|
| A 911 | Structural and constructional steels | chevron_right |
A911/A911M (Standard Specification for Low-Relaxation Steel Bars for Prestressed Concrete Railroad Ties)· ASTM (United States) · 1 materials
| Designation | Material group | |
|---|---|---|
| A 911 | Structural and constructional steels | chevron_right |