Attributes . 0.12% Carbon (C), 1.25% Manganese (Mn), 0.40 - 0.80% Silicon (Si), 0.025% Phosphorus (P), 0.025% Sulphur (S), 0.80 - 1.10% Nickel (Ni), 0.15% Chromium (Cr), 0.35% Molybdenum (Mo), 0.05% Vanadium (V), 0.35 Copper (Cu), 0.50% OET . Names