China Sucker Rod Manufacturing Suppliers - API Spec 11B Compliant Factory Solutions for Reliable Pumping Systems
Key Applications Include
Efficient power transmission in continuous rod pumping cycles
Resistance to alternating tensile and compressive stresses within oilwell bores
Reliable operation in wells with corrosive fluids, high deviation angles, or abrasive formations
Sucker Rod & Pony Rod Specification
| Size | Thread D. | Length | Outside Diameter of Pin Shoulder | Length of Thread | Length of Wrench Square | Width of Wrench Square |
| (in) | (in) | (ft) | (mm) | (mm) | (mm) | (mm) |
| 5/8 | 15/16 | 2 4 6 8 10 25 30 | 31.8 | 31.75 | ≥ 31.8 | 22.2 |
| 3/4 | 11/16 | 38.1 | 36.5 | 25.4 | ||
| 7/8 | 1 3/16 | 41.3 | 41.28 | |||
| 1 | 1 3/8 | 50.8 | 47.63 | ≥ 38.1 | 33.3 | |
| 1 1/8 | 1 9/16 | 57.2 | 53.98 | ≥ 41.3 | 38.1 | |
| Grade | Yield Strength | Tensile Strength Rm (Mpa) | Percentage Elongation A | Contraction Percentage of Area Z (%) | Impact Toughness | |
| Rel (Mpa) | (%) | a(J/cm²) | ||||
| C | ≥ 414 | 620-793 | ≥ 12 | ≥ 55 | ≥ 70 | |
| D | ≥ 620 | 794-965 | ≥ 10 | ≥ 505 | ≥ 58.85 | |
| K | ≥ 414 | 620-793 | ≥ 12 | ≥ 55 | ≥ 70 |
Polished Rod Specification
| Size | Rod D. | Length | Thread D. (in) | Thread Length (mm) | Small Diameter Taper of Thread | ||
| (in) | (mm) | (ft) | |||||
| 1 | 25.4 | 30 25 24 16 |
15/16 | 28.58 | 9° | ||
| 1 Upset | 15/16 | 1 1/16 | 31.75 | 36.5 | |||
| 1 1/8 | 28.6 | 15/16 | 1 1/16 | 34.93 | |||
| 1-1/8 Upset | 1 3/16 | 1 3/8 | 41.28 | 47.63 | |||
| 1 1/4 | 31.8 | 1 3/16 | 34.93 | ||||
| 1-1/4 Upset | 1 3/8 | 1 9/16 | 47.63 | 53.98 | |||
| 1 1/2 | 38.1 | 1 3/8 | 44.45 | ||||
| Grade | Yield Strength Rel (Mpa) | Tensile Strength Rm (Mpa) | Percentage Elongation A (%) | Contraction Percentage of Area Z (%) | Impact Toughness ak(J/cm²) | ||
| 1 | ≥ 414 | 620-827 | ≥ 12 | ≥ 55 | ≥ 70 | ||
| 2 | General | ≥ 586 | 655-1102 | ≥ 10 | ≥ 50 | ≥ 58.8 | |
| Anti-corrosion | ≥ 414 | ≥ 12 | ≥ 55 | ≥ 70 | |||
Frequently Asked Questions (FAQ)
What standards do TAKELO sucker rods meet?
Our sucker rods are strictly manufactured to the rigorous requirements of API Spec 11B, ensuring high quality and reliable performance.
What specialized surface treatments are available?
We offer specialized surface treatments including copper plating, nitriding, and Ni-P alloy coating to mitigate corrosion and significantly extend fatigue life.
What quality control tests are performed on the rods?
Each sucker rod undergoes comprehensive testing, including quenching and tempering, ultrasonic inspection, magnetic particle testing, and dimensional verification.
In what types of well environments can these rods operate?
They are specifically designed for reliable operation in challenging conditions, such as wells with corrosive fluids, high deviation angles, or abrasive formations.
Are TAKELO sucker rods suitable for deep, high-load wells?
Yes, their superior run-time performance and reduced failure rates make them a highly dependable choice for both shallow stripper wells and deep, high-load pumping applications.





