API Coupling for Tubing and Casing steel pipe from China

API Coupling for Tubing and Casing steel pipe from China

Descriptions: 
1 Standard: API 5CT/ 5B
2 Steel Grade: H40、J55、K55、N80-1、N80Q、L80、P110
3 Tubing Coupling: 
OD: 2-3/8’’, 2-7/8’’, 3-1/2’’, 4’’, 4-1/2’’
Threads: NUE--Non Upset 
        EUE---External Upset
4 Casing Coupling:
OD: 4-1/2’’, 5’’, 5-1/2’’, 6-5/8’’, 7’’, 7-5/8’’, 8-5/8’’, 9-5/8’’, 10-3/4’’, 11-3/4’’, 13-3/8’’, 16’’, 18-5/8’’, 20’’
Threads: STC, LTC, BTC

Our products are very popular because of high-quality and reasonable price   we can ensure you timely delivery and the best price .If you  interested in any  jof  our products,   please feel free to contact us for more information.