Why does stainless steel chain have weak magnetism?

Material 300 series stainless steel is not magnetism, the chain plate will produce machanical magnetism after punching bore.

When the stainless steel chain is red and then cooled in the cold water, it can remove magnetism. But the surface of chain will be black, and the stength will be weaken.

Previous:Can zmie provide stainless steel chains in pairs that are matched to one another?

Next:Are there tools for easily disassembing ZMIE's stainless steel roller chains?