Name steel pipe tube Size Out diameter 25-377mm W.T 3.5 ... as customersaa request Standard ASTM/DIN/JI Namesteel pipe tube SizeOut diameter25-377mmW.T3.5-80mmLength6-12m or as ... ,STPT42,STB42,STS42,Q235,Q345ApplicaitionFluid transmission,Mechanical Structure,Hydraulic cylinder,Oil&Gas transport,SurfaceBare,Black,Oil Painting,3PE,2PE, ... and 70% against copy of B/L) Professional Low Carbon Steel pipe tube