... professional service ! 1.About iron castingDescriptionMaterialTechnical ProcessDuctile ironcastingsASTM A 536-Gr.60-40-18,etcDIN GGG40,GGG50, ... ,GG15,GG20,etcJIS FC10,FC15,FC20,etcBS Grade 150,180,220,etcNF FGL150,FGL200,FGL250,etcGreen-sand ... description : • 25-year experiences • product name :malleable iron casting pipe fitting • applicable material :malleable iron/grey iron/ductile iron • weight ...