we can produce the nodular cast iron, 60-40-18 ,65-45-12 ,70-50-05, 80- ... weight 0.5 to 300KG. we can produce the nodular cast iron, and weight 0.5 to 300KGASTM: 60-40-18 ,65 ... 420/12 500/7 600/7 700/2 800/2 GB : QT400-18 QT450-10 QT500-7 QT600-3 QT700-2 QT800-2 nodular cast iron