API 11B Sucker Rod Coupling AISI 5140 Steel with 95,000 PSI Tensile Strength and Corrosion Resistant Coating
Price:
Negotiable
MOQ:
1
Delivery Time:
2weeks
Brand:
Zhongshi
Product Description
API 11B Sucker Rod Coupling Overview
Professional steel polished rod couplings manufactured from AISI 5140 material with corrosion-resistant features, designed for demanding oilfield applications and compliant with API Specification 11B standards.
Product Features
- Available in full size, slim hole, and oversize configurations
- Combination couplings available for different diameters (sub-coupling)
- Class T couplings manufactured from AISI 5140 steel with phosphate or black oxide coating
- Class SM couplings feature spray metal hardening process for enhanced durability
- Cold form rolled thread cutting creates compressive stress for maximum strength
- Recommended replacement after three make-ups with proper thread inspection
Technical Specifications
Class T Coupling - Chemical Properties
| Component | Value |
|---|---|
| Steel | AISI 5140 |
| C | 0.37~0.44 |
| Si | 0.17~0.37 |
| Mn | 0.50~0.80 |
| P | ≤0.040 |
| S | ≤0.040 |
Class SM Coupling - Spray Metal Coating Chemical Properties
| Component | Value |
|---|---|
| Carbon | 0.50~1.00 |
| Silicon | 3.50~5.50 |
| Phosphorus | 0.00~0.02 |
| Sulfur | 0.00~0.02 |
| Chromium | 12.00~18.00 |
| Boron | 2.50~4.50 |
| Iron | 3.00~5.50 |
| Cobalt | 0.00~0.10 |
| Titanium | 0.00~0.05 |
| Aluminum | 0.00~0.05 |
| Zirconium | 0.00~0.05 |
| Nickel | Balance |
Class T Coupling - Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength, PSI (MPa) | 95,000 (655) |
| Hardness Rockwell A | 56/62 |
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Get in Touch
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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