... BS etc. AISI304/AISI316/AISI302/AISI309/AISI310 etc steel casting, Stainless steel corrosion-resistant, heat-resistant cast steel ... the following characteristics:1: casting size shape, accurate, reproducible, with precision casting characteristics.2:Casting surface finish high, non- ... systems to reduce internal defects of castings.,.5: vacuum casting, is conducive to the liquid metal filling and ...