... :40CrNiMo 2.standards:JIS,DIN,ASTM,BS 3.process:sand casting products 4.Weight:272kg 1. material: gray iron,ductile iron ... to the customers drawing and requirements.5. Main products : precision casting ,sand casting.6. Manufacturing equipment: electric furnace, mid-frequency Induction furnace ... CO., LTDADD: Youjia Industry Zone, Ganjingzi District, Dalian , China Gear Wheel