Attributes . 0.03-0.08% Carbon (C), 1.01-1.55% Manganese (Mn), 0.34-0.68% Silicon (Si), 0.01-0.02% Phosphorus (P), ? 0.01% Sulfur (S), 0.01-0.06% Nickel (Ni), 0.02-0.07% Chromium (Cr), ? 0.05% Molybdenum (Mo), ? 0.02% Vanadium (V), 1.04-1.75% Manganese (Mn) + Nickel (Ni) + Chromium (Cr) + Molybdenum (Mo) + Vanadium (V) . Names