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EN AC-51300 Aluminum vs. EN AC-46500 Aluminum

Both EN AC-51300 aluminum and EN AC-46500 aluminum are aluminum alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 85% of their average alloy composition in common.

For each property being compared, the top bar is EN AC-51300 aluminum and the bottom bar is EN AC-46500 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 65
91
Elastic (Young's, Tensile) Modulus, GPa 67
74
Elongation at Break, % 3.7
1.0
Fatigue Strength, MPa 78
110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
28
Tensile Strength: Ultimate (UTS), MPa 190
270
Tensile Strength: Yield (Proof), MPa 110
160

Thermal Properties

Latent Heat of Fusion, J/g 400
520
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 640
610
Melting Onset (Solidus), °C 600
520
Specific Heat Capacity, J/kg-K 910
880
Thermal Conductivity, W/m-K 110
100
Thermal Expansion, µm/m-K 24
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
26
Electrical Conductivity: Equal Weight (Specific), % IACS 100
81

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
2.9
Embodied Carbon, kg CO2/kg material 9.1
7.6
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1180
1030

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 87
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
49
Strength to Weight: Axial, points 20
26
Strength to Weight: Bending, points 28
32
Thermal Diffusivity, mm2/s 45
41
Thermal Shock Resistance, points 8.6
12

Alloy Composition

Aluminum (Al), % 91.4 to 95.5
77.9 to 90
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 0 to 0.1
2.0 to 4.0
Iron (Fe), % 0 to 0.55
0 to 1.3
Lead (Pb), % 0
0 to 0.35
Magnesium (Mg), % 4.5 to 6.5
0.050 to 0.55
Manganese (Mn), % 0 to 0.45
0 to 0.55
Nickel (Ni), % 0
0 to 0.55
Silicon (Si), % 0 to 0.55
8.0 to 11
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0 to 0.2
0 to 0.25
Zinc (Zn), % 0 to 0.1
0 to 3.0
Residuals, % 0 to 0.15
0 to 0.25