... high quality stainless steel bar 2.Dia:4-800mm.Length:1-12m 3.Surface:bright,pickling,polishing 4.Certificate:SGS,BV,ISO Itemhigh quality ... ,sand blast,hair line, blackSizeLength:4m,5.8m,6m,11.8m,12m,or as ... petroleum, chemical industry, electric power, boiler,high temperature resistant,low temperature resistant, corrosion resistant ... .contactproduct photo certificates: high quality stainless steel bar