1. API SPEC 11B 2. Used to connect the sucker rod for the oil extraction 3. Basic Material: AISI 5140 Coat Layer: Ni60A

Yantai Yunsheng Petroleum Machine Accessories Co.,Ltd. produce API approved sucker rod couplings, including Class SM couplings, Class T couplings, Full size couplings and Slim Hole Couplings with the size range of 5/8", 3/4", 7/8", 1" 1-1/8". The basic materials of the couplings is AISI 5140. And the coat layer is Ni60 alloy powder.

  

All of our products are excellent in quality and low in price, which satisfied many of our customers home and abroad. We also have the API Spec 11B certificate, so we are the reliable supplier you can trust in China.

API Class SM Full Size Sucker Rod Coupling

  

  1) Material: AISI 5140

  2) Standard: API Spec 11B   3) Size: 5/8",3/4", 7/8", 1", 1-1/8" 4)Smoothness: 3.1×10-3 5)Coat Thickness(in): 0.01in ~ 0.02in 6)Basic hardness: HRC 16-23 7)Surface Hardness: HRC 55-62 8)Bonding Strength(Mpa): 484 9)Hole rate: <2% 10)Min. Hardness of the layer: 595HV0.2 11)Min. Tensile Strength: 655 Mpa 12)Operating Temperature: -1000~400 13)Life: > 180 days14) Package: Wooden Case

For more information, please contact me at any time.

API Class SM Full Size Sucker Rod Coupling