... .Grade:300 series 3.Diameter:10-200mm 4.Surface:Bright 5.ISO Catalog: (Material is all Stainless Steel)* Sheet/plate* Coil/strip, stainless steel wire ... #, 320 #, 400 #Application: Line Pipe, Casing And Tubing, Fluid Pipe, Water Delivery, Heating Pipe, Power Pipe, Structure Pipe, Scaffold, Piling Pipe ... : +86-510-854145214) Website: http://www.hld-tech.com 300 series Stainless Steel round bar