| AISI 1040 | |
 | |
| Category | Steel |
| Class | Carbon steel |
| Type | Standard |
| Designations |
Germany: DIN 1.1186 Japan: JIS S 4O C United Kingdom: B.S. 080 A 40 , B.S. 2 S 93 United States: ASTM A108 , ASTM A29 , ASTM A510 , ASTM A519 , ASTM A546 , ASTM A576 , ASTM A682 , MIL SPEC MIL-S-11310 (CS1040) , SAE J403 , SAE J412 , SAE J414 , UNS G10400 |
| Composition | |
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| Mechanical Properties | |
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| Properties | Conditions | ||
| T (°C) | Treatment | ||
| Density (×1000 kg/m3) | 7.845 | 25 | |
| Poisson's Ratio | 0.27-0.30 | 25 | |
| Elastic Modulus (GPa) | 190-210 | 25 | |
| Tensile Strength (Mpa) | 518.8 | 25 | annealed at 790°C more |
| Yield Strength (Mpa) | 353.4 | ||
| Elongation (%) | 30.2 | ||
| Reduction in Area (%) | 57.2 | ||
| Hardness (HB) | 149 | 25 | annealed at 790°C more |
| Impact Strength (J) (Izod) |
44.3 | 25 | annealed at 790°C more |
| Thermal Properties | |
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| Electric Properties | |
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