yunsheng API 1"Full Size Spray Metal Sucker Rod Coupling

1"Full Size Spray metal Sucker Rod Coupling

1) Material: Seamless Alloy Steel 40Cr (AISI 5140)
2) Standard: API Spec 11B
3) Class: SM
4) Main specification:
1"Full Size Spray metal Sucker Rod Coupling
OD: 2 3/16" (55.56mm)
ID: 1 3/8"(34.93mm)
Length: 4" (101.6mm)
Weight: 1.13kg
? Smoothness: 3.1×10-3
? Coat Thickness(in): 0.01in ~ 0.02in
? Basic hardness: HRC 16-23
? Surface Hardness: HRC 58-62
? Intergrate intension(Mpa): 484
? Hole rate: <2%
? Min. Hardness of the layer: 595HV0.2
? Min. Tensile Strength: 655 Mpa
? Operating Temperature: -1000~400?
? Life: > 180 days

5) Package: wooden case,500pcs each case
6) Usage: oil exploration equipment, accessories, oil sucker rod coupling

yunsheng API 1"Full Size Spray Metal Sucker Rod Coupling