Product description
Main features:
- Comply with provisions of API spec 5D and API spec 7
- Grade of steel are determined according to requirement of group 1 and group 3 of API spec 5D
- Joints at same level comply with provisions under standard API spec 7
Features:
- High precision in size and shape
- Nice low temperature toughness
- Nice comprehensive mechanical properties
- High connection strength and sealability
- Large inside diameter of tool joint
- High torque-resistant
- High fatigue strength and long fatigue lifespan
Mechanical property of drill pipe: group, grade, yield strength and tensile strength (minimum/maximum) (psi/MPa)
- 1 E-75 75000 517 105000 724 100000 689
- 3 X-95 95000 655 125000 862 105000 724
- G-105 105000 724 135000 931 115000 793
- S-135 135000 931 165000 1138 145000 1000
Comply with provisions of API spec 5D and API spec 7
Grade of steel are determined according to requirement of group 1 and group 3 of API spec 5D
Joints at same level comply with provisions under standard API spec 7
High precision in size and shape
Nice low temperature toughness
Nice comprehensive mechanical properties
High connection strength and sealability
Large inside diameter of tool joint
High torque-resistant
High fatigue strength and long fatigue lifespan
1 E-75 75000 517 105000 724 100000 689
3 X-95 95000 655 125000 862 105000 724
G-105 105000 724 135000 931 115000 793
S-135 135000 931 165000 1138 145000 1000