Nitronic 60 Stainless Steel
UNS S21800
Description
Nitronic 60 stainless steel is also known as N-60 stainless steel or alloy 218. Nitronic 60 is known for its excellent galling resistance, even at elevated temperatures. The additions of 4% silicon and 8% manganese of Nitronic 60 stainless steel inhibit wear, galling and fretting. It maintains good strength up to temperatures of 1800 °F and has oxidation resistance similar to that of 309 stainless steel. The general corrosion resistance is between that of 304 and 316 stainless steels. It is commonly used for various fasteners and pins that require strength and resistance to galling.
Chemical Component
| Ni | Cr | Mn | Si | C | N | S | P | Fe |
|---|---|---|---|---|---|---|---|---|
| 8.0-9.0% | 16.0-18.0% | 7.0-9.0% | 3.5-4.5% | 0.10% max | 0.08-0.18% | 0.03% max | 0.06% max | Balance |
Basic Information
| Items | Nitronic 60 Stainless Steel |
|---|---|
| Catalog | ACMA-Fe-A033 |
| Density | 0.275 lb/in3 |
| Poisson Ratio | 0.3 |
| Electrical Resistivity | 38.66 µΩ·in |
| Melting Range | 2350-2460° F |
| Coefficient of Thermal Expansion (68 °F-212 °F) | 8.8 x 10-6 µin/in·°F |
| Modulus of Elasticity (68 °F) | 26.2 x106 psi |
Material Forms
Alfa Chemistry offers Nitronic 60 stainless steel in a variety of forms, including Round Bar.
Mechanical Properties
- Typical tensile properties
| Temperature, °F | 68 | 200 | 400 | 600 | 800 | 1000 | 1200 | 1400 | 1600 |
| Ultimate Tensile Strength, ksi | 107 | 98 | 84 | 81 | 78 | 75 | 67 | 50 | 30 |
| 0.2% Yield Strength, ksi | 57 | 44 | 33 | 30 | 29 | 28 | 28 | 25 | 16 |
| Elongation, % | 62 | 63 | 64 | 60 | 57 | 52 | 48 | 47 | 73 |
Specifications
Features
- Wear and galling resistant
Applications
- Fasteners
- Pins and bushings
- Wear rails
- Roller bearings
- Pump components
* Technical data included herein should be used as a guideline only, and should not be construed as maximum or minimum values for specification or for final design, or for a particular use or application. The data may be revised anytime without notice.
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