... casing, brake disc etc.. Material: ductile iron or gray iron castings Features:1) Moulding Process: green sand casting, resin sand ... , impact strength, elongation) We can supply various kinds of castings such as farm tractor parts (gear box casing, differential casing ... valve body, fire hydrant, Manhole cover etc. We also supplygray castings as per the customer's requirement.Main grade number including ...