1. 标准
API 规范(API Standard:):API 5CT2. 化学成分
元素Elements | C | Mn | P | S | Si | Cr | Mo | Ni | Cu |
Min | 0 | 0.30 | 8.00 | 0.90 | |||||
Max | 0.15 | 0.60 | 0.020 | 0.010 | 1.00 | 10.0 | 1.10 | 0.50 | 0.25 |
Actual value | 0.10 | 0.45 | 0.008 | 0.0020 | 0.45 | 8.7 | 0.98 | 0.096 | 0.028 |
3. 力学性能
力学性能Mechanical Properties |
抗拉强度 Tensile Strength MPa |
屈服强度 Yield Strength MPa |
硬度 Hardness HBW/HRC |
0℃,横向冲击 0℃,Transverse Impact J 10×10×55 |
延伸率 Elongation % |
Min(标准) | 655 | 552 | 18 | 27 | 17 |
Max(标准) | 655 | 22 | |||
Actual value | 705 | 604 | 18.4 | 102 | 26 |
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 Thicknessmm |
壁厚精度 Average Wall Permissible Variations in Wall Thickness |
116.84*27.94 | 116.84 | -0.5%,+1.0%OD | 27.94 | ±8%S |