Stainless steel pipe and tube(square) 1)ASTM/ASME,GB,DIN,JIS, ... 0.5-40mm 4)5t Stainless steel pipe and tube(square)1)ASTM/ASME,GB,DIN,JIS,T14975, ... South America, Europe and so on. Seamless stainless tube...BStainless steel tube is a hollow circular strip steel, widely used ... window of foreign trade of chinese steel industry,our company has been conducting extensive exchanges and friendly cooperations ...