... lighte than cast iron ones4)Various color and pattern available on request5)Anti-theft:Non-recycle,anti-theft naturally6).No noise ... iron,Scrap steel,alloy PaymentT/T , L/C and so on Delivery60days Chemical compositionC , Si , Mn ,P ,S , Mg , Re , ... out a fire ProcessSand treatmentThe Mechanical properties of ductile iron casting :Number Tensile strength (Mpa)Yield strength(mpa)Elongation (%)Brinell ...