Stable quality,fine performance,long-life for use and competitive price. Description321 stainless steel round bar,steel bar Grade300series:304,304H,304L,302,316,316L,321,310S etc. 400series:410,440etc. standardAISI, JIS, GB. ASTM,ENsmelting process25t IF→AOD→LF→CC→10.5inch ingotOur advantageWe are one of the leading special steel manufactures in China with over 50 years' experiences.Our products ...