Mn C Si P S I II I II ≤ ≤ ≤ ≤FeMn88C0.2 85.0-92.0 0.2 1 2 0.1 0.3 0.02 FeMn84C0.4 80.0-87.0 0.4 1 2 0.15 0.3 0.02 FeMn84C0.7 80.0-87.0 0.7 1 2 0.2 0.3 0.02 FeMn82C1.0 78.0-85.0 1 1.5 2.5 0.2 0.35 0.03 FeMn82C1.5 78.0-85.0 1.5 1.5 2.5 0.2 0.35 0.03 FeMn78C2.0 75.0-82.0 2 1.5 2.5 0.2 0.4 0.03