... steel, Standard: ASTM, SAE, BS, DIN and UNI Invesment casting,cnc machining part key Specifictions/ Special Features:Materials: steel, ... alloy steel,Standard: ASTM, SAE, BS, DIN and UNISurface treatment: sand blastingHeat treatments: quenching and ... DeliveryServiceSmall Orders Accepted investment casting,cnc machined part