tubing coupling , casing coupling , coupling
1.Size:1.9"~20"
2.Material:J55,K55,N80-1,N80-Q,P110 etc.
3.Thread:NU,EU,STC,LTC,BTC,VAM TOP and other special thread type.
4.Standard:API 5L,API 5CT ,ISO 9001:2008
5. Surface treatment: Whole phosphating, or inside phosphating and outside coating
2.Material:J55,K55,N80-1,N80-Q,P110 etc.
3.Thread:NU,EU,STC,LTC,BTC,VAM TOP and other special thread type.
4.Standard:API 5L,API 5CT ,ISO 9001:2008
5. Surface treatment: Whole phosphating, or inside phosphating and outside coating
Certificate
- API 5CT
Main Products
tubing coupling , casing coupling , coupling blank ,coupling stock