Ductile or spheroidal graphite iron is used when the requirement demands impact resistance and more flexibility in operation. Our long term experience with heavy machinery manufacturers in the UK and Europe means that we have been tested to the highest standards. Moulding in green or resin sand, utilising bench moulding, plate mounted and snap flask methods, allied to major sourcing partners in the high pressure, semi and fully automatic processes, Sigma ASL has redefined the provision of casting manufacture in Asia.
Ductile or spheroidal graphite iron is used when the requirement demands impact resistance and more flexibility in operation.