... need Materialssteel,fast steel C12L14 for cnc turning Surface treatmentgalvanic/chemical nickel/zinc,Dacromet,Geomet, burnishing,wet-varnishing,Delta Tone,KTL coated ... , chrome,hard chrome,copper-plating,gold-plating, phosphating,pearl lustre nickel/chrome,zinc lamellar coatingsSalt spray time2 hours,24 hours,48 ...