API 11B Certified Sucker Rods - Corrosion Resistant Steel Rods in 5/8" to 1-1/8" Sizes with 620-965 MPa Tensile Strength
Price:
Negotiable
MOQ:
Discussion
Delivery Time:
Soonly
Brand:
Zhongshi
Product Description
Zhongshi manufactures API 11B certified sucker rods in Grades D, K, and H, constructed from premium alloy steel or customized to client specifications. Our production process features strict quality control, advanced equipment, and professional pre-shipment testing to ensure superior performance and reliability.
Product Grades & Applications
- Grade C: Carbon or manganese steel for light to medium loads in non-corrosive or shallow corrosive wells
- Grade D: High-quality alloy steel with heat treatment for high strength and long service life in deep wells with minimal corrosion
- Grade K: Nickel-chromium-molybdenum alloy steel with excellent corrosion resistance for severely corrosive environments across shallow, medium, and deep wells
Technical Specifications
| Size (in) | Thread D. (in) | Rod D. (in) | Length (ft) | Length of Thread (mm) | Outside Diameter of Pin Shoulder (mm) | Length of Wrench Square (mm) | Width of Wrench Square (mm) |
|---|---|---|---|---|---|---|---|
| 5/8 | 15/16 | 5/8 | 2, 4, 6, 8, 10, 25, 30 | 31.75 | 31.8 | ≥ 31.8 | 22.20 |
| 3/4 | 11/16 | 3/4 | 36.50 | 38.10 | 25.40 | - | |
| 7/8 | 13/16 | 7/8 | 41.28 | 41.30 | - | - | |
| 1 | 13/8 | 1 | 47.63 | 50.80 | ≥ 38.1 | 33.30 | |
| 11/8 | 19/16 | 11/8 | 53.98 | 57.20 | ≥ 41.3 | 38.10 |
Mechanical Properties
| Grade | Yield Strength Rel (MPa) | Tensile Strength Rm (MPa) | Percentage Elongation A (%) | Contraction Percentage of Area Z (%) | Impact Toughness a(3/cm²) |
|---|---|---|---|---|---|
| C | ≥ 414 | 620-793 | ≥ 12 | ≥ 55 | ≥ 70 |
| K | ≥ 414 | 620-793 | ≥ 12 | ≥ 55 | ≥ 70 |
| D | ≥ 620 | 794-965 | ≥ 10 | ≥ 50 | ≥ 58.85 |
Chemical Composition
Our sucker rods utilize various AISI steel grades with precise chemical formulations to meet specific performance requirements:
| AISI | C | Si | Mn | S | P | 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 |
| 4130 | 0.26-0.33 | 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 | / |
| 4138 | 0.37-0.45 | 0.17-0.37 | 0.9-1.2 | ≤0.025 | ≤0.025 | 0.9-1.2 | ≤0.3 | 0.2-0.3 | / | ≤0.2 | / |
| 4138M | 0.37-0.45 | 0.17-0.37 | 0.9-1.2 | ≤0.025 | ≤0.025 | 0.9-1.2 | ≤0.3 | 0.2-0.3 | 0.04-0.09 | ≤0.2 | / |
| 4140 | 0.38-0.45 | 0.17-0.37 | 0.5-0.8 | ≤0.025 | ≤0.025 | 0.9-1.2 | ≤0.3 | 0.15-0.25 | 0.04-0.09 | ≤0.2 | / |
Additional steel grades including 4142, 3130, 4320, 4330, 4621, and 4720 are available with specific chemical compositions to meet diverse operational requirements.
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Company
Puyang Zhongshi Group Co., Ltd.
Location
Room2212, B Building, Tiandi Times Square, Weiyang District, Xi'an City, Shaanxi P.R., China
Contact Person
Liza