Attributes . 0.04 - 0.05% Carbon (C), 1.26 - 1.36% Manganese (Mn), 0.25 - 0.29% Silicon (Si), 0.006 - 0.009% Sulphur (S), 0.005 - 0.008% Phosphorus (P), 0.86 - 0.96% Nickel (Ni), 0.01% Molybdenum (Mo), 0.04-0.05% Chromium (Cr), 0.02-0.03% Vanadium (V) . Names