EN AC-51100 Aluminum vs. EN AC-42000 Aluminum
Both EN AC-51100 aluminum and EN AC-42000 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common.
For each property being compared, the top bar is EN AC-51100 aluminum and the bottom bar is EN AC-42000 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 57 | |
59 to 91 |
Elastic (Young's, Tensile) Modulus, GPa | 68 | |
70 |
Elongation at Break, % | 4.5 | |
1.1 to 2.4 |
Fatigue Strength, MPa | 58 | |
67 to 76 |
Poisson's Ratio | 0.33 | |
0.33 |
Shear Modulus, GPa | 26 | |
26 |
Tensile Strength: Ultimate (UTS), MPa | 160 | |
170 to 270 |
Tensile Strength: Yield (Proof), MPa | 80 | |
95 to 230 |
Thermal Properties
Latent Heat of Fusion, J/g | 400 | |
500 |
Maximum Temperature: Mechanical, °C | 170 | |
170 |
Melting Completion (Liquidus), °C | 640 | |
610 |
Melting Onset (Solidus), °C | 620 | |
600 |
Specific Heat Capacity, J/kg-K | 900 | |
900 |
Thermal Conductivity, W/m-K | 130 | |
160 |
Thermal Expansion, µm/m-K | 23 | |
22 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 34 | |
38 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
130 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 9.5 | |
9.5 |
Density, g/cm3 | 2.7 | |
2.6 |
Embodied Carbon, kg CO2/kg material | 8.7 | |
8.0 |
Embodied Energy, MJ/kg | 150 | |
150 |
Embodied Water, L/kg | 1180 | |
1110 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 6.0 | |
2.8 to 5.7 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 47 | |
64 to 370 |
Stiffness to Weight: Axial, points | 14 | |
15 |
Stiffness to Weight: Bending, points | 51 | |
53 |
Strength to Weight: Axial, points | 17 | |
18 to 28 |
Strength to Weight: Bending, points | 25 | |
26 to 35 |
Thermal Diffusivity, mm2/s | 53 | |
66 |
Thermal Shock Resistance, points | 7.3 | |
7.9 to 12 |
Alloy Composition
Aluminum (Al), % | 94.5 to 97.5 | |
89.9 to 93.3 |
Copper (Cu), % | 0 to 0.050 | |
0 to 0.2 |
Iron (Fe), % | 0 to 0.55 | |
0 to 0.55 |
Lead (Pb), % | 0 | |
0 to 0.15 |
Magnesium (Mg), % | 2.5 to 3.5 | |
0.2 to 0.65 |
Manganese (Mn), % | 0 to 0.45 | |
0 to 0.35 |
Nickel (Ni), % | 0 | |
0 to 0.15 |
Silicon (Si), % | 0 to 0.55 | |
6.5 to 7.5 |
Tin (Sn), % | 0 | |
0 to 0.050 |
Titanium (Ti), % | 0 to 0.2 | |
0 to 0.25 |
Zinc (Zn), % | 0 to 0.1 | |
0 to 0.15 |
Residuals, % | 0 | |
0 to 0.15 |