Our company has been asked to bid on a project that involves the blackening of stainless steel. The company does not call out any specifications. We have never performed this metal finishing process. What are some of the methods used for blackening of stainless steel? F. B.
I must say I’m a little bit surprised that your potential customer has not specified a process that should be used. That being said, listed in the chart below (Table I) are a few methods that have been used to blacken stainless steel.
Before you consider this project, it would be a good idea to discuss it in more detail with the company and find out exactly what properties they are looking for in the final finish.