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Company profile:
Yantai Yunsheng Petroleum Machine Accessories Co., Ltd. founded in 1997, now is one of the biggest manufacture producing API SPEC 11B sucker rod coupling.
Main products: deflection-proof and abrasion-proof sucker rod joint, common joint, the alloy coat abrasion-proof coupling is on the top of level of the world.
The products earned the good reputation from both bemestic and outside. Moreover, our company has pasted the attestation of ISO9001:2000 and got API SPEC 11B CERTIFICATE.
we are manufactures ,so we can supply high quality products in low price with the hope to enter into besiness ralationship with you.
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
type | SUCKER ROD COUPLING | ||||
T/SM | Spec (in) | O.D. +0.13(+0.005)- 0.25(-0.010)(in/mm) | I.D.+0.13(+0.005)- 0.25(-0.010)(in/mm) | Outer Size(in) O.D.*Length | Weight (kg) |
Full Size | 5/8" | 1 1/2(38.10) | 15/16(23.81) | 1.500×4.000 | 0.56 |
3/4" | 1 5/8(41.28) | 1 1/16(26.99) | 1.625×4.000 | 0.60 | |
7/8" | 1 13/16(46.04) | 1 3/16(30.16) | 1.812×4.000 | 0.74 | |
1" | 2 3/16(55.56) | 1 3/8(34.93) | 2.187×4.000 | 1.13 | |
1-1/8" | 2 3/8(60.33) | 1 9/16(39.69) | 2.375×4.500 | 1.29 | |
Slim Hole | 5/8" | 1-1/4(31.8) | 15/16(23.81) | 1.250×4.000 | 0.41 |
3/4" | 1-1/2(38.1) | 1 1/16(26.99) | 1.500×4.000 | 0.47 | |
7/8" | 1-5/8(41.3) | 1 3/16(30.16) | 1.625×4.000 | 0.52 | |
1" | 2(50.8) | 1 3/8(34.93) | 2.000×4.000 | 0.58 | |
1-1/8" | 2-1/8(55.6) | 1 9/16(39.69) | 2.187×4.500 | 0.81 | |
Petroleum Machine Accessories---API sucker rod coupling