| Element | Percent by Weight | |
|---|---|---|
| C | Carbon | 0.08 maximum |
| Mn | Manganese | 0.35 maximum |
| P | Phosphorus | 0.015 maximum |
| S | Sulfur | 0.015 maximum |
| Si | Silicon | 0.35 maximum |
| Cr | Chromium | 17.00 - 21.00 |
| Ni | Nickel | 50.00 - 55.00 |
| Mo | Molybdenum | 2.80 - 3.30 |
| Nb | Columbium | 4.75 - 5.50 |
| Ti | Titanium | 0.65 - 1.15 |
| Al | Aluminum | 0.20 - 0.80 |
| Co | Cobalt | 1.00 maximum |
| B | Boron | 0.006 maximum |
| Cu | Copper | 0.30 maximum |
| Ta | Tantalum | 0.05 maximum |
| Fe | Iron | Balance |
| Product | Yield Strength Max (0.2% Offset) | Ultimate Tensile Strength Max | Elongation (% in 2") |
|---|---|---|---|
| Sheet and Strip | 80,000 psi (550 MPa) | 14,000 (965 MPa) | 30 (min) |
| Plate | 105,000 psi (725 MPa) | 150,000 (1,035 MPa) | 30 (min) |
| Yield Strength Min (0.2% Offset) | Ultimate Tensile Strength Min | Elongation (% in 2") |
|---|---|---|
| 150,000 (1,035 MPa) | 180,000 (1,240 MPa) | 12 (min) |