... Chemical composition test,tensile test. e.Quality Assurance Steel sand casting parts Advantage: 1We can make it by mold,and we design ... according to ASTM,DIN,JIS,EN,ISO,GB standards.2Process:Casting+Machining(If necessary)+Assembly+Surface treatment.3Weight:It ranges ... and EDM Machining7Fitting& finish8Tooling Measurement & Check9Assembly10Trial Production11CorrectionTest Steel sand casting parts