Nitronic 60 is an anti-galling and wear resistant stainless steel.
Nitronic 60 is also known as Alloy 218 and HPA 50.
| Element | Min % | Max % |
| C | – | 0.10 |
| Si | 3.50 | 4.50 |
| Mn | 7.00 | 9.00 |
| Ni | 8.00 | 9.00 |
| Cr | 16.00 | 18.00 |
| S | – | 0.03 |
| P | – | 0.04 |
| Mo | – | 0.75 |
| N | 0.08 | 0.18 |
| Cu | – | 0.75 |
| Fe | bal | |
Density
7.6 g/cm³ | 0.28 lb/in³
Melting Point
1375°C | 2500°F
Coefficient of Expansion
15.8 μm/m °C (21 – 200°C) | 8.810 x 10-6 in/in °F (70 – 212°F)
Modulus of Elasticity
181 kN/mm² | 26200 ksi
Modulus of Rigidity
69 kN/mm² | 10008 ksi
Heat Treatment of Finished Parts
| Condition as supplied by Alloy Wire | Type | Temperature | Time (Hr) | Cooling | |
| °C | °F | ||||
| Annealed or Spring Temper | Stress Relieve | 250 | 480 | 1 | Air |
Properties
| Condition | Approx. tensile strength | Approx. operating temperature | ||
| N/mm² | ksi | °C | °F | |
| Solution Annealed | 700 – 1000 | 102 – 145 | -200 to +300 | -330 to +570 |
| Spring Temper | 1300 – 1900 | 189 – 276 | -200 to +300 | -330 to +570 |