bluing steel with a torch

Heat the gun parts. When youre using polishing paper, you think that 600 grit is very fine, and it is taking you hours to polish out something to 600. I had to sand and restain the stock, and sanded the barrel from 120 down to 400 grit the pitting was so bad. Bluing only works on steel, cast iron, or stainless steel parts for protecting against corrosion because it changes iron into Fe3O4; it does not work on non-ferrous material. Work on a metal or steel surface, such as an anvil, to avoid any fire hazards. Were committed to providing the world with free how-to resources, and even $1 helps us in our mission. "keywords": ["how to blue stainless steel"], You have a degreased gun, and now you need to get the metal hot enough that the reaction will oxidize the steel as much as possible. Copyright 2023 Flixsterz. With HSS you're looking for 2500-3000rpm, M35 or M42 cobalt bits 3000-3600rpm, and carbide 10k-12krpm. 2. You can experiment ultimately what oils to use. This will keep the bluing from adhering to the sharpened edge. pliers, mole grips, -An old metal container (I know, a plastic container is pictured but always use a metal one) filled high enough with oil to completely submerge your steel object would be ideal. You can also heat the oil to create different effects. We strongly advise that you only push through with this process if you are absolutely confident that you are able to perform the necessary precautions. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/8\/81\/Harden-Steel-Step-1-Version-3.jpg\/v4-460px-Harden-Steel-Step-1-Version-3.jpg","bigUrl":"\/images\/thumb\/8\/81\/Harden-Steel-Step-1-Version-3.jpg\/aid1214287-v4-728px-Harden-Steel-Step-1-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"