Hunan Steel Industrial Zone, No.9 Xiangfu Road, Yuhua District, Changsha, China
Casing Coupling Properties:
1. The material of this product can be H40, J55, K55, M65, N80-1, N80Q, L80, C95, T95 and P110 grade steel.
2. The outer diameter of the casing couplings ranges from 127mm to 365.12 mm (4 1/2"~13 3/8")
3. Thread patterns of the pipe couplings include short round thread (STC), long round thread (LC) and buttress thread (BC).
Tubing Coupling Properties:
1. This pipe coupling is used to connect two oil pipes.
2. The thread patterns of the steel coupling include non-upset thread (NUE) and upset thread (EUE).
3. Outer diameter of the tubing coupling ranges from 55.88 mm to 141.3 mm (1.9"~4 1/2").
4. Materials of this product include H40, J55, N80-1, N80Q, L80, C90, T95 and P110.