Black Oxide Stainless Steel Diy

The cold processes produce a similar color but the coating tends to rub off more.

Black oxide stainless steel diy.

Hot black oxide involves hot baths of sodium hydroxide the nasty stuff in drain cleaner nitrates and nitrites. If you want to make a black oxide finish yourself the cold process black oxide system is a safe alternative. This is great for crafters who use iron alloys like stainless steel to make sculptures statues furniture kitchenware or decorative household items like candle holders and wine racks. Black oxide is a form of coating used as a finish for ferrous metals stainless steel and copper and its alloys.

Cold black oxide is not an oxide conversion coating. Cold gun bluing involves the application of a selenium dioxide based compound which will permanently color the surface of. Black oxide like other coatings is used to provide protection to the part achieve a required appearance or achieve other desired properties. Unfortunately steel is vulnerable to rusting which discolors the product and deteriorates the material.

Hot black oxide converts the surface into magnetite. It is a deposited copper selenium compound. Blackening or adding a black oxide finish to the steel helps prevent steel from rusting by creating a chemical reaction on the. Steel is used extensively in a variety of products from gun metal to hobby crafts.