1018 and galvanized
Steel V-hooks here are carbon coil. Bright or mill for line hooks that go into a booth. Galvanized when the V-hook is the finished part, not the hanger.
Stainless is a different lander when the washer eats carbon.
FAQ
What steel do you form V-hooks from?
1018 carbon is the usual. Galvanized carbon when the print wants it. We buy the steel — it is in the price. 100-piece minimum.