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Manganese Steel

PostPosted: Mon Nov 19, 2018 10:25 pm
by MartinHewitt
I could not find an answer to what the famous "manganese steel" is as a lot of steel alloys have manganese content. In Richard Byrne's Safecracking I found the answer:

Of course I don't know if the modern used "manganese steel" is this Mangalloy or just a hardened tool steel with a bit manganese. I assume it is hardened tool steel because it is cheaper.