... , dia.80-800mm,length 3m-7m, alloy steel and quality carbon steel, ASTM, BS, JIS, DIN etc. alloy steel round bar, forged, dia.80-800mm ... ,length 3m-7m, alloy steel and quality carbon steel, ASTM, BS, JIS, DIN ... +Turned + Heat Treatment (optional)Standard: ASTM,BS,JIS,DIN etc. alloy tool steel bar