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| AISI 4720 | |
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| Category | Steel |
| Class | Alloy steel |
| Type | Standard |
| Common Names | Nickel-chromium-molybdenum steel |
| Designations | United States: ASTM A322 , ASTM A331 , ASTM A519 , ASTM A535 , ASTM A711 , SAE J404 , SAE J412 , SAE J770 , UNS G47200 |
| Composition | |
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| Element | Weight % |
| C | 0.17-0.22 |
| Mn | 0.50-0.70 |
| P | 0.035 (max) |
| S | 0.04 (max) |
| Si | 0.15-0.30 |
| Cr | 0.35-0.55 |
| Ni | 0.90-1.20 |
| Mo | 0.15-0.25 |
| Mechanical Properties | |
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