1.Ductile cast iron shell 2.Material range: GGG50, GGG60, GGG70, AWS80-55-06~100-70-03, ISO500-7~700-2 3.Standard; JIS, DIN, BS, ASTM 1.Ductile cast iron shell 2.Material range: GGG50, GGG60, GGG70, AWS80-55-06~100-70-03, ISO500-7~700-2 3.Standard; JIS, DIN, BS AND ANSI 4.Weight range: 10kg~5tons Wooden package, or according to customers' requirement