API 7/8" Class SM Full Size Sucker Rod Coupling
1) Material: AISI 5140
2) Standard: API Spec 11B
3) Main specification:
OD:1-13/16" (46.04mm)
ID: 1-3/16"(30.16mm)
Length: 4" (101.6mm)
Weight: 0.74kg
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
9)Bonding Strength(Mpa): 484
10)Hole rate: <2%
11)Min. Hardness of the layer: 595HV0.2
12)Min. Tensile Strength: 655 Mpa
13)Operating Temperature: -1000~400 Centigrade Temperature
14)Life: > 180 days
15) Package: wooden case, 1000pcs each case.
16) Usage: oil exploration equipment, accessories, oil sucker rod coupling
Our sucker rod couplings are high in quality and low in price, if any of the sucker rod couplings interests you, please do not hesitate to contact me.