NF A 37-502
NF A 37-502 (热处理用非合金碳素(含碳量大于 0.25%) 冷轧钢带质量)· AFNOR NF (法国) · 17 种材料
| 名称 | 材料组别 | |
|---|---|---|
| C 54 | 结构钢 | chevron_right |
| C 68 | 结构钢 | chevron_right |
| C 75 | 结构钢 | chevron_right |
| C35 | 结构钢 | chevron_right |
| C45 | 结构钢 | chevron_right |
| C50 | 结构钢 | chevron_right |
| C60 | 结构钢 | chevron_right |
| XC 100 | 结构钢 | chevron_right |
| XC 32 | 结构钢 | chevron_right |
| XC 38 | 结构钢 | chevron_right |
| XC 45 | 结构钢 | chevron_right |
| XC 50 | 结构钢 | chevron_right |
| XC 54 | 结构钢 | chevron_right |
| XC 60 | 结构钢 | chevron_right |
| XC 68 | 结构钢 | chevron_right |
| XC 75 | 结构钢 | chevron_right |
| XC 90 | 结构钢 | chevron_right |