Attributes . 0.09-0.20% Carbon (C), 0.55-0.98% Manganese (Mn), 0.07-0.27% Silicon (Si), 0.01-0.02% Phosphorus (P), 0.01-0.02% Sulfur (S), 0.73-1.00% Nickel (Ni), 0.02-0.05% Chromium (Cr), 0.13-0.22% Molybdenum (Mo), 0.01 max% Vanadium (V) . Names