Attributes . 0.03-0.06% Carbon (C), 0.63-1.02% Manganese (Mn), 0.13-0.68% Silicon (Si), 0.010-0.022% Phosphorus (P), 0.005-0.011% Sulfur (S), ? 0.06% Nickel (Ni), 0.01-0.04% Chromium (Cr), ? 0.02% Molybdenum (Mo), 0.01 max.% Vanadium (V), 0.75% Manganese (Mn) + Nickel (Ni) + Chromium (Cr) + Molybdenum (Mo) + Vanadium (V) . Names