API 11B Sucker Rod Coupling
Product Detail
Product Specification
| Nominal Size |
5/8 in. |
3/4 in. |
7/8 in. |
1 in. |
1-1/8 in. |
|
in. |
mm |
in. |
mm |
in. |
mm |
in. |
mm |
in. |
mm |
| Full Size Sucker Rod Coupling,Full Size Polished Rod Coupling and Full Size Sub-Coupling |
| ODª
Outsside Dimension |
Size |
1.5 |
38.1 |
1.625 |
41.28 |
1.812 |
46 |
2.187 |
55.6 |
2.375 |
60.33 |
|
|
|
|
|
|
|
|
|
|
|
|
|
Tolerance |
0.005 |
0.13 |
0.005 |
0.13 |
0.005 |
0.13 |
0.005 |
0.013 |
0.005 |
0.13 |
|
|
-0.01 |
-0.25 |
-0.01 |
-0.25 |
-0.01 |
-0.25 |
-0.01 |
-0.25 |
-0.01 |
-0.25 |
|
|
|
|
|
|
|
|
|
|
|
|
|
Size |
4 |
101.6 |
4 |
101.6 |
4 |
101.6 |
4 |
101.6 |
4.5 |
114.3 |
| Lª |
|
|
|
|
|
|
|
|
|
|
|
| Length |
Tolerance |
0.062 |
1.57 |
0.062 |
1.57 |
0.062 |
1.57 |
0.062 |
1.57 |
0.062 |
1.57 |
|
|
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| D2ª |
Size |
1.365 |
34.67 |
1.49 |
37.82 |
1.677 |
42.6 |
1.99 |
50.55 |
2.177 |
55.3 |
| Minimum |
|
|
|
|
|
|
|
|
|
|
|
| D3ª; |
Size |
1.11 |
28.19 |
1.253 |
31.83 |
1.378 |
35 |
1.566 |
39.78 |
1.753 |
44.53 |
|
|
|
|
|
|
|
|
|
|
|
|
|
Tolerance |
0.015 |
0.38 |
0.015 |
0.38 |
0.015 |
0.38 |
0.015 |
0.38 |
0.015 |
0.38 |
|
|
-0.055 |
-1.39 |
-0.073 |
-1.85 |
-0.073 |
-1.85 |
-0.073 |
-1.85 |
-0.073 |
-1.85 |
| BC1ₑ Maximun |
Size |
0.0625 |
1.59 |
0.0625 |
1.59 |
0.0625 |
1.59 |
0.09375 |
2.38 |
0.9375 |
2.38 |
| Slim Hole Sucker Rod Coupling, Slim Hole Polished Rod Coupling and Slim Hole Sub-Coupling |
|
Size |
1.25 |
31.8 |
1.5 |
38.1 |
1.625 |
41.3 |
2 |
50.8 |
|
| ODª |
|
|
|
|
|
|
|
|
|
|
| Outsside Dimension |
Tolerance |
0.005 |
0.13 |
0.005 |
0.13 |
0.005 |
0.13 |
0.005 |
0.013 |
|
|
|
-0.01 |
-0.25 |
-0.01 |
-0.25 |
-0.01 |
-0.25 |
-0.01 |
-0.25 |
|
|
Size |
4 |
101.6 |
4 |
101.6 |
4 |
101.6 |
4 |
101.6 |
|
| Lª |
|
|
|
|
|
|
|
|
|
|
| Length |
Tolerance |
0.062 |
1.57 |
0.062 |
1.57 |
0.062 |
1.57 |
0.062 |
1.57 |
|
|
|
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
| D2ª |
Size |
1.177 |
29.9 |
1.427 |
36.25 |
1.552 |
39.42 |
1.927 |
48.95 |
|
| Minimum |
|
|
|
|
|
|
|
|
|
|
|
Size |
1.09 |
27.69 |
1.253 |
31.83 |
1.378 |
35 |
1.566 |
39.78 |
|
|
|
|
|
|
|
|
|
|
|
|
| D3ª |
Tolerance |
0.015 |
0.38 |
0.015 |
0.38 |
0.015 |
0.38 |
0.015 |
0.38 |
|
|
|
-0.035 |
-0.89 |
-0.073 |
-1.85 |
-0.073 |
-1.85 |
-0.073 |
-1.85 |
|
| BC1ₑ Maximun |
Size |
0.03125 |
0.79 |
0.03125 |
0.79 |
0.03125 |
0.79 |
0.03125 |
0.79 |
|
| a As shown in figure C.1 |
| b The nominal size of the coupling is the same size as the sucker rod |
| Coupling Chemical Component |
| AISI |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Mo |
V |
Cu |
Al |
| 1541 |
0.36-0.45 |
0.15-0.35 |
1.35-1.65 |
≤0.04 |
≤0.04 |
≤0.3 |
≤0.35 |
≤0.06 |
0.04-0.09 |
≤0.35 |
≤0.035 |
| 5140 |
0.38-0.45 |
0.17-0.37 |
0.4-0.7 |
≤0.025 |
≤0.025 |
0.8-1.1 |
≤0.3 |
/ |
/ |
≤0.2 |
/ |
| 4135 |
0.32-0.40 |
0.17-0.37 |
0.4-0.7 |
≤0.025 |
≤0.025 |
0.8-1.1 |
≤0.3 |
0.15-0.25 |
/ |
≤0.2 |
/ |
| 4120 |
0.17-0.24 |
0.17-0.37 |
0.4-0.7 |
≤0.025 |
≤0.025 |
0.8-1.1 |
≤0.3 |
0.15-0.25 |
/ |
≤0.2 |
/ |
| Tensile Strength（MPa） |
Yield Strength（MPa） |
Elongation
（%） |
Reduction of Area（%） |
| ≥655 |
≥405 |
≥16 |
≥48 |
| Hardness |
GRADE T |
GRADE SM |
| 56HRA-62HRA |
＞595HV200 |
Product Tags
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