材料牌号: A351 Gr CF3M 标准: ASTM A351/A351M-2010 容压零件用奥氏体及奥氏体铁素体铸铁的技术规范国家与地区: USA 钢组: 铸造不锈钢 注:Application: Itended for valves, flanges, fittings, and other pressure-containing parts.