Mn > 75%, C 6-8%
Size 20-80mm
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FeMn (78Mn, 7C)
Solidus 1149 C (2100 F)
Liquidus 1265 C (2310 F)
Thermal effect (1/2kg added to 1 tonne of steel)
1600 C -1.2
2902 F -2.1