1. 標準
美國材料學會標準(ASTM Standard):ASTM A 789M2. 化學成分
元素Elements | C | Mn | P | S | Si | Cr | Mo | Ni | N | Cu | W | PRE |
Min | 24.0 | 3.0 | 6.0 | 0.20 | 0.50 | 0.50 | 40 | |||||
Max | 0.030 | 1.0 | 0.030 | 0.010 | 1.00 | 26.0 | 4.0 | 8.0 | 0.30 | 1.00 | 1.00 | |
Actual value | 0.013 | 0.78 | 0.023 | 0.0005 | 0.4 | 25.36 | 3.4 | 7.13 | 0.28 | 0.59 | 0.65 | 42.13 |
3.力學性能
力學性能 Mechanical Properties |
抗拉 Tensile Strength MPa |
屈服 Yield Strength MPa |
延伸率 Elongation % |
硬度 Hardness HBW/HRC |
沖擊 IMPact J (0℃,橫向55*10*10) |
Min(標準) | 750 | 550 | 25 | ||
Max(標準) | 310/32 | ||||
Actual value | 796 | 614 | 37 | 26.7 | 166 |
4. 典型規(guī)格
規(guī)格Size |
外徑 Outside Diameter mm |
外徑精度 Permissible Variations in Outside Diameter mm |
壁厚 Wall Thickness mm |
壁厚精度 Average Wall Permissible Variations in Wall Thickness |
95*22.25 | 95 | ±0.38 | 22.25 | ±10%S |