... ,DIN1.4469,DIN1.4529,CD4MCU) Name:gate valveMaterial:ductile iron,grey iron,carbon steel(WCB.VVCC.LCC),stainless steel ... .Perfect process and professional service ! 1.About iron castingDescriptionMaterialTechnical ProcessDuctile ironcastingsASTM A 536-Gr.60-40- ... 25-year experiences • Product name :grey iron casting • Applicable material :ductile iron,grey iron.cast iron • Weight:0.5~500kg/according to ...