Stainless steel pipe and tube(square) 1)ASTM/ASME,GB,DIN,JIS,T14975,ETC ... :0.5-40mm 4)5t Stainless steel pipe and tube(square)1)ASTM/ASME,GB,DIN,JIS,T14975,ETC. ... , South America, Europe and so on. Seamless stainless tube...BStainless steel tube is a hollow circular strip steel, widely used in ... resisting and high tempera... D.Qingdao sino steel co.,ltd was one large steel holding company,as a window of ...