... - 1010 - 5050 - 120120 - 400400 -m±1°±0°30′±0°20′±0°10′±0°5′1.Best price & quality2.Ductile iron ... , cast aluminium and alloy, technical methods covering sand casting, lost wax casting, die casting. ItemDescriptionMaterialTechnical Process1Ductile ironcastingsASTM A 536-Gr.60-40-18 ... foam castShell-core castElectric-furnace smelting2Grey ironcastingsASTM A48-No.20,25,30,35,40,45,50;ASTM A126-Class ...