... , AISI,GB/T 1220, JIS G4303, Size &Length: as customer's requirementsSurface: pickled&sand blasting&bright,we can polish the bar grit400&600 ... ,420,430,430F,431,446,904,904L,etc.Finish: Pickling, Sand-blasting, hairline, Polish, Mirror polish, Milling, Smooth-turning, Peeling, etc ...