API1B Sucker Rod Coupling Class T, API11B Slim Hole Sucker Rod Couplings Class T

Haige’s Sucker Rod Couplings up to API Spec 11B standard that available with SM type and Class T Type both in Full Size and Slim hole in size of 5/8inch, 3/4inch, 7/8inch,1inch and 1 1/8inch.

Manufactured with high quality Carbon steel AISI 5I40.

API Sucker Rod Coupling
Standard:API Spec 11B
Basic Material:AISI 5140 (40Cr)
Coat Material: Ni60A Alloy Coating
Coat Thickness: 0.01~0.02 in
Basic Hardness: HRC 16 ~23 (HRA 58~62)
Surface hardness: HRC 55~62
Hardness of the layer: 595HV0.2
Type: Full size and slim Hole
Coupling diameter: 5/8in, 3/4in,7/8in,1in, 1 1/4in, 1 1/2in

API1B Sucker Rod Coupling Class T, API11B Slim Hole Sucker Rod Couplings Class T Images