Attributes . 0.04% Carbon (C), 0.5-2% Manganese (Mn), 1% Silicon (Si), 21-24% Chromium (Cr), 7.5-10% Nickel (Ni), 2.5-4% Molybdenum (Mo), 0.04% Phosphorus (P), 0.03% Sulphur (S), 0.5% Copper (Cu), 0.08-2% Nitrogen (N) . Names