Api 3/4¡± class sm slim hole sucker rod coupling
1) material: aisi 5140
2) standard: api spec 11b
3) main specification:
Od:1-1/2" (38.1mm)
Id: 1-1/16"(26.99mm)
Length: 4" (101.6mm)
Weight: 0.47kg
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
We are the manufacturer of sucker rod couplings and can supply the high quality sucker rod couplings in low price with the hope to establish a long-term relationship with you.
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Wooden cases
