1.Chemical pump impeller 2. Material CD4MCU,316S.S.,304S.S ... machining, plating, heat treatment etc.4.Application: mining equipment, pump & valve, ship building industry, heavy machinery, engineering machinery, ... etc.6.Weight Range: Precision casting one-piece weight is from 0.2 kilograms to 80 kilograms, the ... largest single sand casting weight is up to 5,000 kg.7.Standard: ASTM, ...