1) Size (O. D. ): 1.9", 2 3/8", 2 7/8", 3 1/2", 4 1/2"
2) Wall thickness: 3.18~16mm
3) Thread type: EUE, NUE
4) Steel grade: J55, K55, N80, L80, P110
5) Standard: API SPEC 5CT, API SPEC 5B
6) Quality control
We have implemented ...
Manufacturer: Shandong Dongbao Steel Pipe Co., Ltd
