API 5/8” Class SM Slim Hole Sucker Rod Coupling
Product Description
API 5/8” Class SM Slim Hole Sucker Rod Coupling
1) Material: AISI 5140
2) Standard: API Spec 11B
3) Main specification:
OD:1-1/4" (31.80mm)
ID: 15/16"(23.81mm)
Length: 4" (101.6mm)
Weight: 0.41kg
4)Other Size: 3/4”; 7/8”;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
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