... technologyHot rolled ,cold rolledSurface treatment2B,BA,8K,No.1,Etching,Hairline,Satin,Mirror,Vibration,Bead Blast,EmbossedThe stainless steel pipestandardASTM,GBmaterial201 ... -100*200mmshock15mm-72mmSurface treatmentPolishing (180#,220#,240#,320#400#,600#), Hairline,aid pickling and so onProduction technologySeamless steel pipeWelded steel pipeSurface ...