Black Oxide Services

H&W Global

Black Oxide on Stainless Steel

  • MIL-DTL-13924 Class 4

H&W Global Industries, is one of the select few companies in the United States offering black oxide coating for stainless steel. Black oxide on stainless steel produces an essentially dimensionless conversion coating that creates a highly durable black finish with an absorbing oxide layer for oils and waxes.

Black Oxide Services MIL-DTL-13924D

Black oxide is a unique finish and uses a unique process to develop an effective and cost-effective conversion coating that is used in many coating applications. Black oxide is a five-step process consisting of 1) Cleaning, 2) Rinsing, 3) Black Oxide, 4) Rinsing, and 5) a supplementary coating or after-finishing. Black oxide coating cannot be used over plated parts; the plating must be removed before the coating is applied.

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