GB/T 20887.1
GB/T 20887.1 (Continuously hot rolled high strength steel sheet and strip for automobile - Part 1: High yield strength steel for cold forming)· GB (中国) · 13 种材料
| 名称 | 材料组别 | |
|---|---|---|
| HR270F | 结构钢 | chevron_right |
| HR315F | 结构钢 | chevron_right |
| HR355F | 结构钢 | chevron_right |
| HR380F | 结构钢 | chevron_right |
| HR420F | 结构钢 | chevron_right |
| HR460F | 结构钢 | chevron_right |
| HR500F | 结构钢 | chevron_right |
| HR550F | 结构钢 | chevron_right |
| HR600F | 结构钢 | chevron_right |
| HR650F | 结构钢 | chevron_right |
| HR700F | 结构钢 | chevron_right |
| HR900F | 结构钢 | chevron_right |
| HR960F | 结构钢 | chevron_right |