Hot Bluing Tank

This hot bluingparkerizing tank is stoutly constructed for years of use and is large enough to accommodate almost any part that requires bluingparkerizing even long barreled actions. Orifices included for both natural and propane gas. This will show you how to black oxide your firearm like it was from the factory.
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Bluing tank burner sized to provide correct heat for the bluing solution.

Hot bluing tank. Some people have made tanks from gutters which is fine for a rust bluing tank or a rinse tank but if using for hot salts bluing make sure the gutter material is steel and not aluminum the caustic salts will destroy aluminum in no time. Bluing is not a coating its a rusting process. Will not affect salts in any way cannot damage solution chemical balance or use life. Custom made for us especially for the professional gun bluing industry.

Demonstration of hot tank bluing also called black oxide coating. Welded of black iron with inset ends rolled edges. 20 25 minutes in generally sufficient to obtain nice reach black color. Since bluing actually highlights imperfections in the metal special care must be exercised in the preparation and polishing.

Our hot tank solution uses a caustic solution of nitrate salts and is heated to near 300 degrees f. Rust bluing is very popular nowadays for custom hobbyists and gunsmiths on account of the quality and durability of finish that can be achieved without too much equipment. Bluing bluing itself is simply suspending prepped part into solution while its temperature maintained around 260 280f. Hot bluing isnt much better but its much less labor intensive.

Rust bluing is a great blue black finish that was used by firearms companies before 1940 when hot bluing was invented. Best tank made for hot chemical bluing. This tank is made from carbon steel. For these secondary tanks you do not need a heavy duty steel tank you can use plastic or light weight metal.

About 4 gallon working capacity. Watch out for splashes of hot salts as they tend to spew out of the pottank when parts are being submerged and captive air escapes. One of the most delicate finishing processes is the bluing operation. Hot water tank burner as cleaner and hot water rinse tanks require less heat these smaller burners save fuel.