A1
A1 (Standard Specification for Carbon Steel Tee Rails)· ASTM (美国) · 6 种材料
| 名称 | 材料组别 | |
|---|---|---|
| A 1 115 | 结构钢 | chevron_right |
| A 1 115 HS | 结构钢 | chevron_right |
| A 1 60-84 | 结构钢 | chevron_right |
| A 1 60-84 HS | 结构钢 | chevron_right |
| A 1 85-114 | 结构钢 | chevron_right |
| A 1 85-114 HS | 结构钢 | chevron_right |