Higher Hardness Steel Drill Pipe 3 Meters 7.11mm - 12.7mm Wall Thickness
OD: 2 3/8" to 6 5/8" or 60.32mm to 168.28mm
· Grade:G105,S135,E75,X95
· Wall Thickness: (0.25-0.50) inch or (6.45-12.70) mm
· Length: R1: 6.10-7.01m; R2: 8.84-9.75m; R3: 12.19-13.72m
· Upset style: IU, EU, IEU
· High quality raw material and advanced heat treatment make the products higher hardness and toughness. Especially it has higher low temperature toughness.
· Smoother and longer upset taper length and high performance pipe extends the drill pipe’s service life.
· Meet or exceed API SPEC 5DP, API SPEC 7-2, and API RP 7G requirement.
· dopt complete advanced testing method and strict quality control to ensure the high quality and stable performance products.
· Holding advanced technology, high –end product R&D capabilities and senior technical workers, we can provide customers special requirement products.
The specification list HDD drill pipe (forged one piece)
| Specification(one piece drilling rod) | Dimension of the drilling rod | Thread form | Material | Minimum bending radius m | Length of rod to bend 90° m | Max angle(°s) | Max % slope % /rod
% | Torque
KN.m |
OD of the tube
mm | Thickness of the tube
mm | Lenth
m | Weight
Kg | OD of the joints
mm | Bid clamp space of the pin joints and box joins mm |
| 50(2") | 50 | 6.5 | 2 | 20 | 57 | pin joints:110 | DH50 | G | 38 | 60 | 3.0" | 5.2 | 2.9 |
| 2.5 | 25 | Box joints:175 | S | 30 | 47.1 | 4.8" | 8.3 | 3 |
| 60.3(2 3/8") | 60.3 | 7.5 | 2 | 25.3 | 67 | pin joints:130 | DH60 | G | 42 | 66 | 2.7" | 4.8 | 6 |
| 3 | 37 | Box joints:180 | S | 33 | 51.8 | 5.2" | 9.1 | 6.3 |
| 73(2 7/8") | 73 | 8 | 3 | 45 | 80 | pin joints:120 | DH23 | G | 58 | 91.1 | 3.0" | 5.2 | 12 |
| 4 | 58 | Box joints:180 | S | 45 | 70.7 | 3.8" | 5.0 | 13 |
| 73(2 7/8") | 73 | 10 | 3 | 58 | 87 | pin joints:120 | DH26 | G | 67 | 105 | 2.6" | 4.5 | 14.5 |
| 4 | 78 | Box joints:180 | S | 51 | 80 | 4.5" | 7.8 | 16 |
| 83(3 1/4") | 83 | 9 | 3 | 59 | 92 | pin joints:130 | WM80 | G | 73 | 114.7 | 2.4" | 4.1 | 16.8 |
| 4.5 | 84 | Box joints:190 | S | 65 | 102.1 | 4.0" | 6.9 | 18 |
| 89(3 1/2") | 88.9 | 10 | 4.5 | 102 | 104 | pin joints:150 | DH31 | G | 80 | 125.7 | 3.2" | 5.6 | 22.3 |
| 6 | 130 | Box joints:230 | S | 72 | 113 | 4.8" | 8.3 | 24 |
| Grade | Yield Strength | Tensile Strength | Extension Rate | Impact Power Akv J |
| Min | Max | Min | Min | 10×10 |
| Psi | Mpa | Psi | Mpa | Psi | Mpa | % | (-20℃) |
| G105 | 105,000 | 724 | 135,000 | 931 | 115,000 | 793 | 15 | ≥68 |
| S135 | 135,000 | 931 | 165,000 | 1138 | 145,000 | 1000 | 13 | ≥54 |
We can provide users with the supporting drill pipe of various specifications, thread forms and steel grades for the drilling machine with.
Drill pipe quality control:
a) Before order to be confirmed, the raw material of pipe body and tool joint should be booked from famous big steel enterprises in China
b) Raw material’s size, quantity, length, mechanical property are checked by our QC staff and factory own laboratory
c) Every drill pipe has nondestructive inspection , cleaned and thread oil before packing.
d) Before delivery clients could send one QC or point the third party to check the quality such SGS, BV or others
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Higher Hardness Steel Drill Pipe 3 Meters 7.11mm - 12.7mm Wall Thickness Images
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