API Sub Couplings

APISub coupling

1Type: T&SM  FS, SH

2Coupling diameter:

          5/8"*3/4",

          3/4"*7/8",

          7/8"*1",

          1"*1-1/8"

 3 Weight: 0.43-1.56 KG/Pcs

4 Material: AISI 5I40

5 Spray Material of SM Coupling :Ni60A AlloyCoating

6 Basic Hardness: HRC 16-23

7 Surface Hardness of SM Coupling: HRC55-62

8 Hole rate of SM Coupling : less than2%

9 Min. Hardness of the layer of SM Coupling:595HV0.2

10 Operating Temperature: -1000~400

11 Life: Class SM Sub Coupling > 180days;

              Class T Sub Coupling > 90 days

13 Package: wooden case

14 Payment Terms: T/T

OurNew Products

1) SM Coupling with greatbevel edge

2) Two-way CamberedProtection Coupling

If you have any interest in our sucker rod couplings, please do nothesitate to let we know, and we’ll supply you with our high qualityproducts and best services.