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MedicalFry Alloy 40 is an austenitic high-manganese stainless steel with high strength and excellent resistance to corrosion at high temperatures. Alloy 40 can be fabricated and readily weldable. This material is typically used for parts requiring high strength and corrosion resistance from -425 to 1100 F (-254 to 593 C) and where parts may require welding during fabrication. This alloy is used for chemical processing, pollution control equipment and various aircraft engine components. (UNS S21900)
Chemical Makeup of Fry Alloy 40
| Element | Min | Max |
|---|---|---|
| Carbon, C | - | 0.04 |
| Manganese, Mn | 8 | 10 |
| Silicon, Si | - | 1 |
| Sulfur, S | - | 0.03 |
| Phosphorus, P | – | 0.06 |
| Chromium, Cr | 19 | 21.5 |
| Nickel, Ni | 5.5 | 7.5 |
| Copper, Cu | - | 0.75 |
| Molybdenum, Mo | - | 0.75 |
| Nitrogen, N | 0.15 | 0.4 |
Common Applications of Fry Alloy 40
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Aerospace
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Industrial
Benefits
- Excellent Corrosion Resistance
- High Strength
- Readily Weldable
- Ease Of Fabrication
We stock FRY ALLOY 40 (21-6-9) to the following specifications:
- AMS-5656
- ASTM-A-276
Click on a cross-section to see the sizes we stock: