Our company specializes in the production of high-quality sucker rods, drive rods, and pony rods, all manufactured from micro-alloyed, modified special quality hot-rolled carbon or alloy steel. These products conform to the latest API Spec 11B standards and the AISI Steel Products Manual, ensuring reliability and performance in various applications.
Manufacturing Process: Rods undergo full-length normalization, air quenching, and tempering to relieve residual stresses and refine grain structure, enhancing mechanical properties.
Dimensional Accuracy: Bar and sucker rod dimensions and tolerances conform to API Spec 11B and AISI Steel Products Manual, ensuring compatibility and reliability.
Surface Treatment: Rods are straightened and inspected using Eddy Current/magnetic methods for surface defects. Surface peening removes any remaining heat-treat scale, contributing to longer fatigue life.
Our company specializes in the production of high-quality sucker rods, drive rods, and pony rods, all manufactured from micro-alloyed, modified special quality hot-rolled carbon or alloy steel. These products conform to the latest API Spec 11B standards and the AISI Steel Products Manual, ensuring reliability and performance in various applications.
Features Overview
Material Quality: Manufactured from micro-alloyed, modified special quality hot-rolled carbon or alloy steel, ensuring high strength and durability.
Manufacturing Process: Rods undergo full-length normalization, air quenching, and tempering to relieve residual stresses and refine grain structure, enhancing mechanical properties.
Dimensional Accuracy: Bar and sucker rod dimensions and tolerances conform to API Spec 11B and AISI Steel Products Manual, ensuring compatibility and reliability.
Surface Treatment: Rods are straightened and inspected using Eddy Current/magnetic methods for surface defects. Surface peening removes any remaining heat-treat scale, contributing to longer fatigue life.
Threading: Pin threads are cold-formed to strengthen the thread against fatigue. An inhibitor lubricant is applied to each pin, and a thread protector is installed to prevent damage during handling and transportation.
Packaging and Shipping
All rods are bundled securely to prevent handling damage during transportation to the well location. An oil-soluble coating is applied to protect rods from atmospheric corrosion during storage. Quality control inspections are performed at each step of the manufacturing process to ensure that only products meeting our stringent standards reach our customers.
Company Overview
Our company is a global leader in the manufacturing and supply of high-quality oilfield equipment, including sucker rods, drive rods, and pony rods. With a commitment to excellence and innovation, we serve clients worldwide, providing products that meet the highest industry standards and cater to the evolving needs of the oil and gas sector.
Description
Sucker rods are essential components in oil production systems, connecting the surface pumping unit to the downhole pump. Our sucker rods are available in various diameters, including 5/8” (15.88mm), 3/4” (19.05mm), 7/8” (22.23mm), 1” (25.40mm), and 1-1/8” (28.58mm). Each rod undergoes full-length normalization to relieve residual stresses, followed by air quenching and tempering processes to refine and homogenize the grain structure. This meticulous manufacturing process enhances the rods' mechanical properties, ensuring durability and extended service life.
Drive rods are specifically engineered to withstand the high torque levels encountered in progressing cavity pump applications. They are available in body diameters of 1” (25.40mm), 1-1/4” (31.75mm), and 1-1/2” (38.10mm). Similar to our sucker rods, drive rods undergo full-length normalization, air quenching, and tempering to achieve optimal mechanical properties.
Pony rods, shorter versions of sucker rods, are utilized to adjust the length of the rod string accurately. They are manufactured with the same stringent quality standards and materials as our sucker rods, ensuring consistent performance across all rod lengths.
Technical Data
Mechanical Properties of Sucker Rods:
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation over 200mm (%) | Reduction of Area (%) |
|---|---|---|---|---|
| C | 620–795 | ≥415 | ≥13 | ≥50 |
| K | 620–795 | ≥415 | ≥13 | ≥60 |
| D | 795–965 | ≥590 | ≥10 | ≥50 |
| KD | 795–965 | ≥590 | ≥10 | ≥50 |
| HL | 965–1195 | ≥795 | ≥10 | ≥45 |
Mechanical Properties of Drive Rods:
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation over 200mm (%) | Reduction of Area (%) |
|---|---|---|---|---|
| D | 795–965 | ≥590 | ≥10 | ≥50 |
| H | 965–1195 | ≥795 | ≥10 | ≥45 |
Weight Specifications:
| Rod Size (inches) | Weight (kg/m) |
|---|---|
| 5/8" (16mm) | 1.68 |
| 3/4" (19mm) | 2.4 |
| 7/8" (22mm) | 3.2 |
| 1" (25mm) | 4.2 |
| 1-1/8" (28mm) | 5.3 |
| 1-1/4" (32mm) | 6.4 |
| 1-1/2" (38mm) | 9.5 |
The sucker rod has various types:
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