Black Oxiding also known as Gun Bluing is now being offered at Nitrera Technologies. We use Pentrate® Ultra by Heat Bath® Corporation to achieve the blackest finish with no rub or dimensional change. Our central location allows us to offer quick turn-around times along with highest quality, aesthetics and competitive pricing.

Utilizing Heat Baths proprietary process we are able to offer the highest quality Black Oxidized products. Pentrate® Ultra meets or exceeds all government specifications, including Mil-Spec MIL-DTL-13924D for Class 1 black oxide coatings. Nitrera can furnish certifications of conformance, time/temp log, etc. We are open to quality audits and developing your process. Upon request we can perform corrosion resistance testing to ensure you meet your requirements.

Our black oxide bath is compatible with all steels, with no detriment to any pre heat treated products. We can process workpieces that fit within an 18"dia. x 36"OAL (cylindrically shaped basket) or "double dip" parts as long as 72". Our black oxiding cell has a throughput of 10,000 pounds per day. With a typical turn-around time of 2-4 business days and rush order processing is available, we are here to meet your scheduling requirements.

Nitrera Technologies Inc. has established a track record for consistent quality and timely deliveries with competitive market pricing. Our customers have enjoyed utilizing our value added Salt Bath Nitrocarburizing services for years, now our current and future customers can rely on the same benefits with our Black Oxide services.

Purchase Requests: Please indicate when you request a quote that you wish to purchase "Black Oxide" as the finished product is similar in appearance to a Nitrocarburized product.