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Metal Alloys |
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Steels |
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Alloy Steels |
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| AISI 50B50 | |
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| Category | Steel |
| Class | Alloy steel |
| Type | Standard |
| Common Names | Boron steel |
| Designations |
Germany: DIN 1.7138 Japan: JIS SUP 11 United States: ASTM A322 , ASTM A519 , SAE J404 , SAE J412 , SAE J770 |
| Composition | |
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| Element | Weight % |
| C | 0.48-0.53 |
| Mn | 0.75-1.00 |
| P | 0.035 (max) |
| S | 0.04 (max) |
| Si | 0.15-0.30 |
| Cr | 0.40-0.60 |
| B | 0.0005-0.003 |
| Mechanical Properties | |
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