Company Details
Chengdu Derbo Steel Co., Ltd.
OCTG Coupling is used to connect the Casing and Tubing, sizes form 1.315inchs to 20 inches O.D., material grade J55, K55, N80, L80, P110, etc., according to API SPEC 5CT Standard.
Size from 1.050 to 4.5 inches O.D., wall thickness from 3.18 mm to 10.54 mm, material grade J55, K55, N80, L80, P110, etc., according to API SPEC 5CT Standard.