A178/A178M
A178/A178M (Standard Specification for Electric-Resistance-Welded Carbon Steel and Carbon-Manganese Steel Boiler and Superheater Tubes)· ASTM (美国) · 3 种材料
| 名称 | 材料组别 | |
|---|---|---|
| A 178 Grade A | 结构钢 | chevron_right |
| A 178 Grade C | 结构钢 | chevron_right |
| A 178 Grade D | 结构钢 | chevron_right |