regarding the hadfield steel, we know haverer group produce it
with very competitive price, and north American price is about 5.3
- 6.5USD/kg.
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Of course, if this steel is heat treated correctly, may be
treated as many times as needed.
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Carbon Steel E6015
Manganese Alloy Steel E8018-C3
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Manganese steel alloys are stronger than lower carbon steel,
because the increase of manganese and carbon allows steel to be
used in a tempered condition. Tool steels and die steels contain
higher content of manganese than mild steels.