sucker rod coupling made by steel pipe coupling manufacturer

Sucker rod couplings in details:

1) Material: AISI 5140

2) Standard: API Spec 11B

3) Main specification:

OD:1-5/8" (41.30mm)

ID: 1-3/16"(30.16mm)

Length: 4" (101.6mm)

Weight: 0.52kg

4)Other Size: 5/8"; 3/4";1"; 1-1/8"

5)Smoothness: 3.1*10-3

6)Coat Thickness(in): 0.01in ~ 0.02in

7)Basic hardness: HRC 16-23

8)Surface Hardness: HRC 55-62



sucker rod coupling made by steel pipe coupling manufacturer