1. 标准Standard
美国材料学会标准(ASTM Standard):ASTM B7292. 化学成分
元素Elements | C | Mn | P | S | Si | Cr | Mo | Ni | Cu | Nb+Ta | Fe |
Min | 19.0 | 2.0 | 32.0 | 3.00 | 8C | ||||||
Max | 0.07 | 2.00 | 0.045 | 0.035 | 1.00 | 21.0 | 3.0 | 38.0 | 4.00 | 1.0 | remainder |
Actual value | 0.05 | 0.47 | 0.011 | 0.0013 | 0.20 | 20.13 | 2.41 | 33.02 | 3.77 | 0.68 | 38.74 |
3. 力学性能
力学性能 Mechanical Properties |
抗拉 Tensile Strength MPa |
屈服 Yield Strength MPa |
延伸率 Elongation % |
Min(标准) | 550 | 240 | 30 |
Max(标准) | |||
Actual value | 685 | 397 | 35 |
4. 典型规格
规格Size |
外径 Outside Diameter mm |
外径精度 Permissible Variations in Outside Diameter mm |
壁厚 Wall mm |
壁厚精度 Average Wall Permissible Variations in Wall Thickness |
60.3×3.91 | 60.3 | ±0.25 | 3.91 | ±10%S |