High resistance to pitting, crevice and chloride stress corrosion, high resistance to general corrosion in acids, high corrosion fatigue and erosion corrosion, good weldability, High Pitting Resistance Equivalent Number (>40).
| Carbon(C) | Manganese(Mn) | Phosphorus(P) | Sulfur(S) | Silicon(Si) | Nickel(Ni) | Cobalt(Co) |
| 0.030% Max | 1.2% Max | 0.035% Max | 0.020% Max | 0.8% Max | 42% – 46% | – |
| Chromium(Cr) | Molybdenum(Mo) | Niobium + Tantalum(Nb (Cb) + Ta) | Titanium(Ti) | Copper(Cu) | Aluminum(Al) | Iron (Fe) & Others |
| 24.0-26.0 | 3.00% – 5.00% | – | – | – | – | Fpern 38%- 48% |