MIL-DTL-13924, Class 1 Alkaline oxidizing process.
MIL-DTL-13924, Class 3 Fused salt oxidizing process.
MIL-DTL-13924, Class 4 Alkaline oxidizing process.
MIL-C-13924, Class 1 Alkaline oxidizing process.
MIL-C-13924, Class 3 Fused salt oxidizing process.
MIL-C-13924, Class 4 Alkaline oxidizing process.
SAE AMS 2485 Coating, Black Oxide
MIL-STD-171E Finish No. 3.2 Black oxide for copper alloys, MIL-F-495
MIL-STD-171E Finish No. 3.3.1 Black oxide for iron and steel, MIL-C-13924,
Class 1, alkaline oxidizing process.
MIL-STD-171E Finish No. 3.3.1.1 Black oxide for iron and steel, MIL-C-13924,
Class 1, with MIL-C-16173, Grade 3
supplementary treatment.
MIL-STD-171E Finish No. 3.3.3 Black oxide for corrosion resistant steel alloys,
MIL-C-13924, Class 3, fused salt oxidizing
process.
MIL-STD-171E Finish No. 3.3.3.1 Black oxide for corrosion resistant steel alloys,
MIL-C-13924, Class 3, with MIL-C-16173,
Grade 3 supplementary oil treatment.
MIL-STD-171E Finish No. 3.3.4 Black oxide for corrosion resistant steel alloys,
MIL-C-13924, Class 4, alkaline oxidizing process.
MIL-F-495 Chemical black finish for copper alloys.
MIL-HDBK-205 Phosphate And Black Oxide Coating of Ferrous
Metals.
Additionally, our black oxide process meets or exceeds the custom specifications of most major U.S. companies. If you have a question about a particular black oxide specification or have a custom specification, please call us and ask.