Sucker Rod Coupling & Sub Couplings & Polished Rod 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

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.
If any of the sucker rod couplings interests you, please contact me for more
information about the sucker rod couplings.

Puyang Zhongshi Group Co., Ltd., restructured from SINOPEC in 1997 has 20 years experience on manufacturing petroleum machinery products . The company registered capital is 10 million U.S. dollars, with annual export 30 million U.S. Dollars.

We have competitive price of our main products like: subsurface sucker rod pump, pumping unit, cementing tools, wellhead (Christmas Tree), etc, with certificates of API11AX,API11E,API6A,API5CT,ISO14001 and ISO9001 approved. We have 9 factories, 580 employees, including more than 160 technicians and engineers.

With 20 years manufacturing experience and more than 10 years exporting experience, our main clients include all oilfields in China such as: Zhongyuan, Daqing, Shengli, Changqing, Nanyang, Karamay, etc and we have exported to more than 30 countries abroad such as: Indonesia, Thailand, Myanmar, Russia, Kazakhstan, Venezuela, Peru, Columbia, Canada, America, Sudan, Egypt, Iran, Australia etc.

We would like to cooperate with friends from all over the world with high quality products and service to achieve mutual development .