... Material:casting ductile iron 450-10 sand casting drawings are welcome sand casting ductile iron 450-101.Material ... :grey ironGG15,GG20,GG25,GG30,ductile iron 400- ... 18,450-10,500-7 by vacuum casting,sand casting,lost ... Standard:JIS,GB,DIN,GOST,ASTM,ISOProces:sand castingCertification:ISO9001:2008Packing and Shipping 1, Standard ...