API Standard couplings with high quality and good service

API 5CT 9th Casing Coupling

Raw Material: API 5CT Seamless Steel Pipe

Usage: Well Drilling Machinery

Steel Grade: J55, K55, N80-1, N80-Q, L80-1, P110; 

Size:4-1/2"-20"

Type: LTC, BTC, STC

Surface Treatment: Whole phosphating, or inside phosphating and outside coating

Packing: By carton, wooden case, wooden pallet, or by requirements of customers

Shape: Tubular

Brand: KW

Color: white on surface and black inside thread

Supply Ability: 20000pcs per month

Xi'an Kingwell Oilfield Machinery Co.,Ltd is a professional supplier for oilfield products according to the API standard. We exporting ALL KINDS OF OILFIELD MACHINERY AND TOOLS with super Quality and Competitive Price in CHINA.

With over 10 years developing, we were developed from the beginning drilling service to manufacture factory who produce OCTG, DST tools and Solid Control products.

KINGWELL have experienced team, stronger enough to meet any challenge, we do believe honest is the base of business and cooperation, our aim is to build solid relationship with any part of honest. kingwell can provide highly efficient services to its clients resulting in accurate and timely deliveries at the best prices.
is a professional supplier for oilfield products according to the API standard. We exporting ALL KINDS OF OILFIELD MACHINERY AND TOOLS with super Quality and Competitive Price in CHINA.  

Now, our tubing and casing couplings have exported to USA, Canada, Egypt, India and UEA , etc with 40 FCL contaniers per month.Now, with high quality and short supply and good service, our couplings has got good reputation home and abroad Here we got some prise as follows.   

Detailed specification:

More technical parameters for coupling for your reference:

A well-established Quality System from Materials receipt to Products delivery ensures consistent quality at all levels of the activity. QMS Procedures & Measurements are tailored to establish high standards of Quality Assurance in the Operations. The Company maintains the 100% Traceability records as per API requirements&NACE MR 0175-2002 Standards and complies with all the legal, statutory and regulatory requirements.  

Our Tubing Couplings cover all API Standard scope from 2-3/8"-4-1/2" with strickly inspection, which all the goods should be checked one by one before packing.  





Our standard export packaing is suitalble multimodal transportationby three kinds of packages: wooden pallets and irony pallet and box as bellow,





Any enquiry of above products or relative parts, Pls feel free contact back, and we will offer you a good price and show you our best service.