The most authoritative answer in 2024
-

-
Ava Wilson——Studied at Stanford University, Lives in Palo Alto. Currently working as a software engineer for a leading tech company.
Type
420 is a martensitic
stainless steel that provides good corrosion resistance similar to 410 plus increased strength and hardness. It is
magnetic in both the annealed and hardened conditions. Maximum corrosion resistance is attained only in the fully hardened condition. It is never used in the annealed condition.
read more >>
About “420、stainless steel、magnetic”,people ask:
QuesHub is a place where questions meet answers, it is more authentic than Quora, but you still need to discern the answers provided by the respondents.