Allegheny Ludlum AL 418™ (Greek Ascoloy) Special Martensitic Stainless Steel
Subcategory: Ferrous Metal; Metal; Stainless Steel; T 400 Series Stainless Steel
Key Words: AMS 5508
| Component | Wt. % |  | | | Cr | 13 | | | Fe | 82 | | | Ni | 2 | | | W | 3 | |
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Material Notes:
Iron content above calculated as remainder. Uses incluse engine braces, turbine exhaust components, exhaust struts, stiffeners, and ducts. Information provided by Allegheny Ludlum
| Physical Properties | Metric | English | Comments |
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| Density | 7.87 g/cc | 0.284 lb/in³ | |
Mechanical Properties |
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| Hardness, Rockwell C | 25 | 25 | |
| Tensile Strength, Ultimate | 895 MPa | 130000 psi | |
| Tensile Strength, Yield | 725 MPa | 105000 psi | 0.2% YS |
| Elongation at Break | 15 % | 15 % | |
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