ISO 4997
ISO 4997 (冷轧碳素结构钢薄板)· ISO (国际标准) · 11 种材料
| 名称 | 材料组别 | |
|---|---|---|
| CH550 | 结构钢 | chevron_right |
| CR 220 | 结构钢 | chevron_right |
| CR 250 | 结构钢 | chevron_right |
| CR 280 | 结构钢 | chevron_right |
| CR 320 | 结构钢 | chevron_right |
| CR220 Class B | 结构钢 | chevron_right |
| CR220 Class D | 结构钢 | chevron_right |
| CR250 Class B | 结构钢 | chevron_right |
| CR250 Class D | 结构钢 | chevron_right |
| CR320 Class B | 结构钢 | chevron_right |
| CR320 Class D | 结构钢 | chevron_right |