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2018 oil well API 11B sucker rod coupling with high quality from chinese manufacturer

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2018 oil well API 11B sucker rod coupling with high quality from chinese manufacturer

Technical Parameters

Full Size Coupling

Size(in)Coupling O.D W(mm) (+0.13,-0.25)Length L(mm) (+1.57,-0.00)Thread D.(in)Length of Wrench Square (mm)Hardness(HRA)
5/8"38.10101.615/16"31.856-62
3/4"41.281-1/16"
7/8"46.001-3/16"
1"55.601-3/8"38.1
1-1/8"60.33114.31-9/16"

Slim Hole Coupling

Size(in)Coupling O.D W(mm) (+0.13,-0.25)Length L(mm) (+1.57,-0.00)Thread D.(in)Length of Wrench Square (mm)Hardness(HRA)
5/8"31.75101.615/16"31.856-62
3/4"38.101-1/16"
7/8"41.301-3/16"
1"50.801-3/8"38.1

Full Size Sub-coupling

Size(in)Coupling O.D W(mm) (+0.13,-0.25)Length L(mm) (+1.57,-0.00)Small End Thread D.Big End Thread D.Hardness(HRA)
5/8"-3/4"41.28101.615/16"1-1/16"56-62
3/4"-7/8"46.001-1/16"1-3/16"
7/8"-1"55.60114.31-3/16"1-3/8"
1"-1-1/8"60.33127.01-3/8"1-9/16"

Slim Hole Sub-coupling

Size(in)Coupling O.D W(mm) (+0.13,-0.25)Length L(mm) (+1.57,-0.00)Small End Thread D.Big End Thread D.Hardness(HRA)
5/8"-3/4"38.10101.615/16"1-1/16"56-62
3/4"-7/8"41.301-1/16"1-3/16"
7/8"-1"50.80114.31-3/16"1-3/8"

Full Size Polished Connection

Size(in)Coupling O.D W(mm) (+0.13,-0.25)Length L(mm) (+1.57,-0.00)Thread D.(in)Vanish ConeHardness(HRA)
5/8"38.10101.615/16"9O56-62
3/4"41.281-1/16"
7/8"46.001-3/16"
1"55.601-3/8"
1-1/8"60.33114.31-9/16"

Slim Hole Polished Connection

Size(in)Coupling O.D W(mm) (+0.13,-0.25)Length L(mm) (+1.57,-0.00)Thread D.(in)Vanish ConeHardness(HRA)
5/8"31.75101.615/16"9O56-62
3/4"38.101-1/16"
7/8"41.301-3/16"
1"50.801-3/8"

Coupling Mechanical Properties

Tensile Strength Rm(Mpa)Yield Strength Rel(Mpa)Elongation Percentage A(%)Reduction Percentage of Area Z(%)
≥655≥405≥16≥48
Quality 2018 oil well API 11B sucker rod coupling with high quality from chinese manufacturer for sale
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