... ,Copper casting,Bronze casting. 2.Material: Brass,Copper,bronze 3.Sand casting processed 4.Weight:10g-50kg. ... , Nickel,Silver,Tin,chrome,gold,Sand blasting.PolishingPaintingHeat treatmentEquipments:For castings: medium frequency induction furnace, coal furnace, sand blaster machine, wax ... , deflection tester impact test machine, projector,Altimeter,Scale Micrometer etc. brass parts