1.Name:Investment casting machine part. 2.Material:Steel. 3.Weight:10g-100kg. 4. ... MT,Impact test. 5.Quality Assurance. Using Stainless Steel Investment casting 1. Materials:carbon steel, alloy steel, stainless steel, brass, ... Testing equipment:Birnell Hardness Monitor, hydraulic universal testing machine, magnetic particle inspection,FSQ Vacuum Foundry Spectrovac.8.Surface finish: polishing, oiled( ...