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Question:

What and how hard is boron steel?

I bought this Brinks pad lock and it says boron steel on the lock. I was just wondering what exactly is boron steel and how hard/tough is it?

Answer:

Boron steel is rather hard, it is by no means titanium, but certainly better than mild steel. However, as with all metals, hardness is inversely proportional to flexibility, meaning that a good solid whack with a sledge hammer could crack your lock.

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