High quality seamless steel tubes/pipes
1. Seamless Chrome-moly Steel Pipes Specifications: ASTM/ASME A/SA335, A/SA 213, EN 20126,DIN 17175 Steel Grades: P1, P2, P11, P12, P22, P23, P5, P9, P91, P92, P122, 13CrMo4-5, 10CrMo910, X10CrMoVNb91, X10CrMoVNb92, T11, T22, T91, T23 Size Range:...