Stainless steelStainless steel 17-4 (CNC) - SAE grade 630 - is a precipitation hardening alloy with good corrosion resistance. Can be hardened up to 44 HRC.
Surface finishingWe offer black oxide coating, a conversion coating used on steel, Stainless steel and copper. Black oxide is used mainly for the black smooth appearance and for mildly improving corrosion resistance. Black oxide impregnated with oil can provide the highest amount of corrosion resistance.
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