Blackening steel with vinegar. I am having good luck with non ss and vinegar but naturally none of the solutions for putting a patina on non ss vinegar mustard etc work on ss. Have fun and take your time. This is the case on hss such as a2 and d2 tool steels. Im going to assume again that once the weather warms up i can dunk it back in the vinegar and itll start going back to clean steel.
I have done some mild steel fittings out of 1018 that were waxed with renaissance wax a very fine microcrystaline wax right out of the last boil and they had the most beautiful glossy deep black color i have ever seen on steel. What is the difference between these two. I needed a few steel bolts to match the ones holding my new welder. You can achieve this finish with some pretty common household items.
Medium carbon steel 4130 and heat treatable alloys may require some additional time in the activation tank or a stronger mix of blackening chemicals to effectively bond with the material. In this video we go over the three step process of 1 cleaning the steel. Do it yourself blackening steel ez black 70 is a cold process brush on steel blackening patina. Blackening not only protects bare steel from rusting but the process also yields a relatively attractive finish.
Wipe the steel down with a liberal dose of oil when youre finished to remove any remaining vinegar and seal the deal.