NBR 6650
NBR 6650 (结构用热轧碳素薄钢卷和钢板 - 规格)· NBR (巴西) · 9 种材料
| 名称 | 材料组别 | |
|---|---|---|
| CF-21 | 结构钢 | chevron_right |
| CF-24 | 结构钢 | chevron_right |
| CF-26 | 结构钢 | chevron_right |
| CF-28 | 结构钢 | chevron_right |
| CF-30 | 结构钢 | chevron_right |
| CFQ210 | 结构钢 | chevron_right |
| CFQ250 | 结构钢 | chevron_right |
| CFQ280 | 结构钢 | chevron_right |
| CFQ300 | 结构钢 | chevron_right |