machine parts Pivot

1. Material of machine parts-pivot: C45, ASTM/AISI 1215,22S20 alloy steel,free cutting steel. 2. Job program: cold heading turning milling grinding. 3. Heat treatment: quenching tempering. 4.Surface finish: Zinc and Chromate Electroplate Passivate-trivalent chromium WSS-M21P17-B1 adhesion and thickness of coating. 5.Checking: mechanical properties/Tensile and Yield Strength gauge capability study geometric tolerance Form and Position Tolerance Surface Roughness neutral salt spray test (NSS). We supply the spare parts for both auto producing and maintenance services.We arrange producing and testing strictly accord with PPAP and make improvement continuously.