# EN AC-43100-T6 Cast Aluminum

EN AC-43100-T6 is EN AC-43100 aluminum in the T6 temper. To achieve this temper, the metal is solution heat-treated and artificially aged until it meets standard mechanical property requirements. It has the lowest ductility compared to the other variants of EN AC-43100 aluminum.

The graph bars on the material properties cards below compare EN AC-43100-T6 to: Euronorm (EN) cast aluminums (top), all aluminum alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.

## Mechanical Properties

Brinell Hardness

94

Elastic (Young's, Tensile) Modulus

71 *GPa* 10 *x 10 ^{6} psi*

Elongation at Break

1.1 *%*

Fatigue Strength

71 *MPa* 10 *x 10 ^{3} psi*

Poisson's Ratio

0.33

Shear Modulus

27 *GPa* 3.9 *x 10 ^{6} psi*

Tensile Strength: Ultimate (UTS)

270 *MPa* 39 *x 10 ^{3} psi*

Tensile Strength: Yield (Proof)

230 *MPa* 33 *x 10 ^{3} psi*

## Thermal Properties

Latent Heat of Fusion

540 *J/g*

Maximum Temperature: Mechanical

170 *°C* 340 *°F*

Melting Completion (Liquidus)

600 *°C* 1100 *°F*

Melting Onset (Solidus)

590 *°C* 1090 *°F*

Specific Heat Capacity

900 *J/kg-K* 0.22 *BTU/lb-°F*

Thermal Conductivity

140 *W/m-K* 81 *BTU/h-ft-°F*

Thermal Expansion

22 *µm/m-K*

## Electrical Properties

Electrical Conductivity: Equal Volume

37 *% IACS*

Electrical Conductivity: Equal Weight (Specific)

130 *% IACS*

## Otherwise Unclassified Properties

Base Metal Price

9.5 *% relative*

Density

2.6 *g/cm ^{3}* 160

*lb/ft*

^{3}Embodied Carbon

7.8 *kg CO _{2}/kg material*

Embodied Energy

150 *MJ/kg* 63 *x 10 ^{3} BTU/lb*

Embodied Water

1070 *L/kg* 130 *gal/lb*

## Common Calculations

Resilience: Ultimate (Unit Rupture Work)

2.9 *MJ/m ^{3}*

Resilience: Unit (Modulus of Resilience)

360 *kJ/m ^{3}*

Stiffness to Weight: Axial

15 *points*

Stiffness to Weight: Bending

54 *points*

Strength to Weight: Axial

29 *points*

Strength to Weight: Bending

36 *points*

Thermal Diffusivity

60 *mm ^{2}/s*

Thermal Shock Resistance

12 *points*

## Alloy Composition

Al | 86.9 to 90.8 | |

Si | 9.0 to 11 | |

Mg | 0.2 to 0.45 | |

Fe | 0 to 0.55 | |

Mn | 0 to 0.45 | |

Ti | 0 to 0.15 | |

Zn | 0 to 0.1 | |

Cu | 0 to 0.1 | |

Ni | 0 to 0.050 | |

Sn | 0 to 0.050 | |

Pb | 0 to 0.050 | |

res. | 0 to 0.15 |

All values are % weight. Ranges represent what is permitted under applicable standards.

## Followup Questions

## Further Reading

EN 1706: Aluminium and aluminium alloys. Castings. Chemical composition and mechanical properties

CRC Materials Science and Engineering Handbook, 4th ed., James F. Shackelford et al. (editors), 2015