Post Mon Nov 19, 2018 10:25 pm

Manganese Steel

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.
In case you wonder ... Martin Hewitt is a fictional detective in stories by Arthur Morrison:
Martin Hewitt, Investigator Chronicles of Martin Hewitt