... -7, GGG 400-12, GGG600-3, GGG700-2 B) Grey Iron GG20, 25, 30, 35 3) Designs A) EN124 A15, B125 ... B) BS497 Grade A, Grade B, Grade C. C) As per customers' drawings or samples 4) Processes: A) Moulding boards B) Green sand with hand ... B) Third party inspection available upon request 7) Packing Steel or wood pallet, or as per customers' requirements. cast iron grating