... round bar: Standard: EN, AISI, JIS, ASTM, DIN, GB Grade: 210,303,304, 304L, 304H, 321,321H, 316, 316L, 317 and so Stainless round bar ... :Standard: EN, AISI, JIS, ASTM, DIN, GBGrade: 210,303,304, 304L, 304H, 321 ... ,321H, 316, 316L, 317, 310S, 347HSize: Round bar diameter from 3mm ...