Another one to look at are razorock razors. They made quite a few options in 316 stainless steel. You'd have to check the website to see the materials and details at
https://www.italianbarber.com/
Their superslant razors for example are all 316 stainless steel and come in various aggression levels from mild to wild. They even provide a scale system and some comparable modern DE razors to reference their scale against.
https://www.italianbarber.com/
Their superslant razors for example are all 316 stainless steel and come in various aggression levels from mild to wild. They even provide a scale system and some comparable modern DE razors to reference their scale against.