API Sub coupling manufacturer from China Yantai Yunsheng Petroleum Machine Accessories Co.,Ltd.

Place of Origin:

Shandong, China (Mainland)


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Product Detail

Production Capacity: 20000pcs/month

Technics: Forged

Material: Alloy

Brand Name: YUNSHENG

Packing: Wooden Case

Type: Coupling

Connection: Female

SUPPLY API APPROVED SUCKER ROD COUPLING IN DISCOUNT PRICE

Yantai Yunsheng Petroleum Machine Accessories, Co., Ltd , funded in 1997, presently is one of biggest enterprises producing double protection sucker rod couplings inside China. We now have more than 10 production lines then we can supply 20000 pcs SM sucker rod coupling per month.

All of our couplings including API Class T Sucker Rod Couplings, API spray metal sucker rod couplings and API Change-Over Sucker Rod Couplingsare made full in line with API SPEC 11B, with the size range of 5/8", 3/4", 7/8”, 1”, 1-1/8”.

Paramater of coupling perfomance:

3/4"*7/8"SH API Sub coupling

1)Type: T&SM

2)Coupling diameter: 3/4"*7/8"

-O.D: 1-5/8"[41.3mm]

-Length: 4.5"[114.3mm]

3)Weight: 0.61 KG/Pcs

4)Material: Carbon steel AISI 5I40 or AISI 4135

5)SM Coupling Spray Material: Ni60A Alloy Coating

6)Basic Hardness: HRC 16-23

7)SM Coupling Surface Hardness: HRC 55-62

8)SM Coupling Coat Thickness(in): 0.01in ~ 0.02in

9)SM Coupling Hole rate: <2%

10)SM Coupling Min. Hardness of the layer: 595HV_0.2

11) Operating Temperature: -1000~400℃

12) Life: Class SM Sub Coupling > 180 days; Class T Sub Coupling > 90 days
13)Standard: API Spec 11B

14)Package: wooden case

15)Payment Terms:T/T

Our New Products

1) Full Size SM Coupling with great bevel edge

2) Two-way Cambered Protection SM Coupling

If you have any interest in our sucker rod couplings, please do not hesitate to let we know, and we'll supply you with our high quality products and best services.