... Iron Parts with Grey Cast Iron Casting 1.HT2501.Material:grey/ductile cast Iron 2.cast iron 3.OEM service Sand Casting Iron Parts with Grey Cast Iron ... machining factory make big order possible ItemDescriptionMaterialTechnical Process1Ductile iron castingsASTM A 536-Gr.60-40-18, 65 ... 12, FGS400-12, FGS500-7Electric-furnace smelting2Grey iron castingsASTM A48-No.20,25,30,35,40,45Green-sand mouldingASTM ...