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Product Details:
Payment & Shipping Terms:
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| Type: | Sucker Rod,pony Rod | Size: | 1 1/8",3/4",1",5/8"-1-1/8" |
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| Grade: | D,KD,HY,K,HL | Material: | Alloy Steel,AISI 4130 |
| Length: | 25-30ft,. Or Customized | Product Name: | Alloy Steel Sucker Rod |
| High Light: | high strength steel rod,1 inch diameter steel rod |
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Polish Rod With Fine Cr-Mo Alloy Steel 42CrMoA or Alloy Steel 20Ni2MoA by Cold-Drawing Craftsmanship
Products Description:
Class T and Class SM coupling for sucker rods are manufactured as per API Specification 11B. For the thread cutting, we are using cold form rolled by displacing rather than by removing of material for making the coupling thread. The thread rolling cutting results in a compressive stress at the root of the thread, giving maximum strength to the traditional weak point of cut-thread couplings.
The couplings are available in full size, slim hole and over size.Also, combination couplings are available for different diameters (sub-coupling) for both Class T and Class SM couplings.
They are all designed in accordance with API Spec 11B and are made of fine Cr-Mo alloy steel 42CrMoA(equivalent to AISI4140) or alloy steel 20Ni2MoA(equivalent to AISI 4620) by cold-drawing ,rolled thread ,and smooth surface process made up
Features:
1. The class T coupling is using AISI 5140 to manufacture. The coupling is coated using phosphate chemical treatment or black oxide on customer’s request. For Class SM coupling, the spray metal is a specification hardening process and is applied on the base metal.
2. The couplings are available in full size, slim hole and over size. Also, combination couplings are available for different diameters (sub-coupling) for both Class T and Class SM couplings.
Technical Specifications:
| Chemical Properties: Class T Coupling | |
| Steel | AISI 5140 |
| C | 0.37~0.44 |
| Si | 0.17~0.37 |
| Mn | 0.50~0.80 |
| P | ≤0.040 |
| S | ≤0.040 |
| Spray Metal Coating Chemical Properties SM Coupling | |
| 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 |
| Mechanical Properties: Class T Coupling | |
| Tensile Strength, PSI: (MPa) | 95,000 (655) |
| Hardness Rockwell A | 56/62 |
Mechanical Data:
| 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 | ≥ 505 | ≥58.85 |
Contact Person: sales
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