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API IIB AISI4140/4130 Sucker rod coupling
Spraying alloy powder on sucker rod coupling doubles the rate of surface hardness; and extends a longer service life.
Specifications of Sucker Rod Coupling
|
Type |
Model |
OD mm |
Width of Wrench Square mm
|
Length of Wrench mm |
Rounding chamfer θ |
|
T Grade Coupling |
5/8 |
Φ38.1+0.13 -0.25 |
34.9 0 -0.8 |
31.8+0.62 0 |
45° |
|
3/4 |
Φ41.3+0.13 -0.25 |
38.1 0 -0.8 |
31.8+0.62 0 |
||
|
7/8 |
Φ46.0+0.13 -0.25 |
41.3 0 -0.8 |
31.8+0.62 0 |
||
|
1 |
Φ55.6+0.13 -0.25 |
47.6 0 -0.8 |
38.1+0.62 0 |
Mechanical Property
|
Grade |
Material |
Yield PointMPa |
Tensile strength MPa |
Extension Radio % |
Reduction of cross-section % |
Izod Impact toughness J |
|
D |
High Quality Alloy Steel |
≥620 |
793~965 |
≥10 |
≥50 |
≥60.8 |
We also provide Sub-coupling: 5/8-3/4 T(SM), 3/4-7/8T(SM), 7/8-1T(SM), 1-1 1/8 T(SM).
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Main Product:
Sucker Rod,
Sucker Rod Centralizer,
Sucker Rod Guide,
Downhole Tools,
Tubing Centrazlier ,
Sucker Rod Coupling
