A250/A250M
A250/A250M (锅炉和过热器用电阻焊铁素体合金钢管)· ASTM (美国) · 7 种材料
| 名称 | 材料组别 | |
|---|---|---|
| A 250 Grade T1 | 结构钢 | chevron_right |
| A 250 Grade T11 | 结构钢 | chevron_right |
| A 250 Grade T12 | 结构钢 | chevron_right |
| A 250 Grade T1a | 结构钢 | chevron_right |
| A 250 Grade T1b | 结构钢 | chevron_right |
| A 250 Grade T2 | 结构钢 | chevron_right |
| A 250 Grade T22 | 结构钢 | chevron_right |