Sorry for the off topic query, but I know there are a lot of smart and helpful folks on this forum.
We have a specialized bolt manufactured in China for us. It works along side a door hold-open bracket so both require a Rockwell Hardness C of 45 - 50.
They are producing the bolt with SCM435 steel and I think that is equivalent to AISI SAE 4135H/4137H steel. This seems to have a normal hardness of 15 HRC. Can this steel be treated to reach the desired 45-50 HRC? I am assuming it must, but since I am materials illiterate I was hoping to find some expert input on the topic.
Yes, you can heat sinc the steel with treated carbon, However this is fairly costly doing it after the initial manufacturing process. I would suggest starting with heat sinc material then molding.