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Metal Alloys |
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| AISI 4118 | |
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| Category | Steel |
| Class | Alloy steel |
| Type | Standard |
| Common Names | Chromium-molybdenum steel |
| Designations | United States: ASTM A322 , ASTM A331 , ASTM A505 , ASTM A519 , SAE J404 , SAE J412 , SAE J770 , UNS G41180 |
| Composition | |
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| Element | Weight % |
| C | 0.18-0.23 |
| Mn | 0.70-0.90 |
| P | 0.035 (max) |
| S | 0.04 (max) |
| Si | 0.15-0.30 |
| Cr | 0.40-0.60 |
| Mo | 0.08-0.15 |
| Mechanical Properties | |
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