NBR 6649
NBR 6649 (结构用冷轧碳素薄钢卷和钢板 - 规格)· NBR (巴西) · 12 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-55 | 结构钢 | chevron_right |
| F-345 | 结构钢 | chevron_right |
| F210 | 结构钢 | chevron_right |
| F230 | 结构钢 | chevron_right |
| F250 | 结构钢 | chevron_right |
| F280 | 结构钢 | chevron_right |
| F320 | 结构钢 | chevron_right |
| F400 | 结构钢 | chevron_right |