Downhole Well Oil Drilling Equipment Parts Stainless Steel Screw Coupling

Downhole Well Oil Drilling Equipment Parts Stainless Steel Screw Coupling  

Product Feature:
API Sucker Rod Coupling, Class SM
1,Material: AISI 5140 (40Cr),
2,Coat Thickeness: 0.01-0.02 in
3,coupling diameter: 5/8 ",3/4",7/8",1",1-1/8"
4,Basic Hardness: HRC 16-23
5,Surface Hardness HRC 55-62
6,thermal spraying coating and extrusion thread

 
 
 1) Material: AISI 5140
 2) Standard: API Spec 11B
 3) Main specification:
   OD:1-1/2" (38.10mm)
   ID: 15/16"(23.81mm)
   Length: 4" (101.6mm)
   Weight: 0.56kg
 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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relationship with you.
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