Quick Details

Material:Carbon Steel	Technics:Forged	Type:Coupling
Place of Origin:Shandong China (Mainland)	Model Number:YSPJ22SMFS	Brand Name:YUNSHENG
Connection:Female	Shape:Equal	Head Code:coupling
Standard:API SPEC 11B

Packaging & Delivery

Packaging Detail:	wooden case
Delivery Detail:	within 20 days for SM couplings

Specifications

Made in accordance with API SPEC 11B, the couplings are high in quality and reasonable in price

Smoothness: 3.1*10^-3

 Coat Thickness(in): 0.01in ~ 0.02in

 Basic hardness: HRC 16-23

 Surface Hardness: HRC 55-62

 Hole rate: <2%

 Bonding Strength(Mpa): 484

 Min. Hardness of the layer: 595HV_0.2

 Min. Tensile Strength: 655 Mpa

 Operating Temperature: -1000~400 Centigrade Temperature

 Life: > 180 days

 Package: wooden case, 1000pcs each case.

 Usage: oil exploration equipment, accessories, oil sucker rod coupling

Yantai Yunsheng Petroleum Machine Accessories Co. Ltd., founded in 2005, is a professional manufacturer of API Spec 11B Sucker Rod Couplings, including Spray Metal coupling, class T coupling, Sub OD coupling, with various type of Full size, Slim Hole, Over Size, with Big Chamfer, with Wrench Flat, with Bidirectional Cambered Surface Protection, etc., and the thread size are available at 5/8", 3/4", 7/8", 1", 1-1/8".  Owning world top level equipments and technicians, the monthly production capacity is more than 20,000pcs.  All of our couplings are excellent in Quality and reasonable in Price, and the production & inspection are being done fully in accordance with API Spec11B standard.