... JIS, AISI, ASTM, GB, DIN, EN Dimensions: 5.5mm-500mm Place of Origin: Tianjin Quick DetailsStandard: JIS, AISI, ... ASTM, GB, DIN, ENDimensions: 5.5mm-500mmGrade: 300 SeriesType: RoundApplication: variousShape: Round,square,hexCertification: ISOSpecial ... . Bright round bar1) Cold draw bright bar: Dia. 4 - 50mm2) Polishing bar: Dia. 50-100mm6. Steel round bar1) Hot rolled ...