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Overview
Specifications
17-4 PH Stainless (Exotic)
17-4 PH is a martensitic precipitation-hardening stainless steel providing an outstanding combination of high strength and good corrosion resistance. Used in aerospace, chemical, and petrochemical industries.
| Element | Composition (%) |
|---|---|
| Chromium (Cr) | 15.00 – 17.50 |
| Nickel (Ni) | 3.00 – 5.00 |
| Copper (Cu) | 3.00 – 5.00 |
| Manganese (Mn) | 1.00 max |
| Silicon (Si) | 1.00 max |
| Columbium + Tantalum (Nb+Ta) | 0.15 – 0.45 |
| Carbon (C) | 0.07 max |
| Phosphorus (P) | 0.040 max |
| Sulfur (S) | 0.030 max |
| Iron (Fe) | Balance |