Series: Round, Square, Hexagonal, Flat bar Material:\201\202\304\316\316L etc Standard:ASTM, GB,JIS ... ,EN,etc Diameter:3mm-40 NameStainless steel bar/Round bar ... Series/300 Series/400 SeriesStandardJIS/AISI/ ASTM,/GB,/DIN,/ENOD (Round bar)Size (Square bar)Size (Flat Bar)Size (Channel ... /Mixed item/Factory visit are welcome stainless steel round bar