1.Name:Investment casting parts 2.Material:Aluminum 3.Weight:10g-100kg 4.Test ... Tensile test,Impact test. 5.Quality Assurance. Using Investment casting parts 1. Materials:carbon steel, alloy steel, stainless steel, brass, ... machinery, engineering machinery, agricultural equipment,electric appliance, electronic fitting, military equipment, etc3. Standard: the dimension tolerance of the product may ...