... 830mm 3)Thickness:0.5-40mm 4)5t Stainless steel pipe and tube(square)1)ASTM/ASME,GB,DIN,JIS,T14975,ETC ... petroleum, chemical, medical treatment, food, light industry, machinery and apparatus industry pipeline and mechanical structural components, etc. In addition, in the ... smooth surface, good corrosion resisting and high tempera... D.Qingdao sino steel co.,ltd was one large steel holding company,as a ...