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AISI 1055 |
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| Category | Steel |
| Class | Carbon steel |
| Type | Standard |
| Designations |
Germany: DIN 1.1209
United States: ASTM A29 , ASTM A510 , ASTM A576 , ASTM A682 , FED QQ-S-700 (1055) , SAE J403 , SAE J412 , SAE J414 , UNS G10550
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| Composition |
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| Element | Weight % |
| C |
0.50-0.60 |
| Mn |
0.60-0.90 |
| P |
0.04 (max) |
| S |
0.05 (max) |
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| Mechanical Properties |
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| Properties | Conditions |
| T (°C) | Treatment |
| Density (×1000 kg/m3) |
7.7-8.03
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25 |
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| Poisson's Ratio |
0.27-0.30 |
25 |
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| Elastic Modulus (GPa) |
190-210
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25 |
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| Tensile Strength (Mpa) |
660 |
25 |
cold drawn (round bar (19-32 mm)) more |
| Yield Strength (Mpa) |
560 |
| Elongation (%) |
10 |
| Reduction in Area (%) |
40 |
| Hardness (HB) |
197 |
25 |
cold drawn (round bar (19-32 mm)) more |
| Thermal Properties |
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| Properties | Conditions |
| T (°C) | Treatment |
| Thermal Expansion (10-6/ºC) |
14.8 |
20-700 more |
annealed |
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