Stainless steel pipe and tube(square) 1)ASTM/ASME,GB,DIN,JIS ... .5-40mm 4)5t Stainless steel pipe and tube(square)1)ASTM/ASME,GB,DIN,JIS,T14975, ... stainless tube...BStainless steel tube is a hollow circular strip steel, widely used in petroleum, chemical, medical treatment, food, light industry ... , in the bending strength, twist, the weight is light, so it is widely used for manufacturing machinery parts ...