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EN AC-51300 Aluminum vs. EN AC-45400 Aluminum

Both EN AC-51300 aluminum and EN AC-45400 aluminum are aluminum alloys. They have a moderately high 92% 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-45400 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 65
86
Elastic (Young's, Tensile) Modulus, GPa 67
72
Elongation at Break, % 3.7
6.7
Fatigue Strength, MPa 78
55
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
27
Tensile Strength: Ultimate (UTS), MPa 190
260
Tensile Strength: Yield (Proof), MPa 110
130

Thermal Properties

Latent Heat of Fusion, J/g 400
470
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 640
630
Melting Onset (Solidus), °C 600
560
Specific Heat Capacity, J/kg-K 910
880
Thermal Conductivity, W/m-K 110
140
Thermal Expansion, µm/m-K 24
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
30
Electrical Conductivity: Equal Weight (Specific), % IACS 100
95

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
2.8
Embodied Carbon, kg CO2/kg material 9.1
7.8
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1
14
Resilience: Unit (Modulus of Resilience), kJ/m3 87
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
49
Strength to Weight: Axial, points 20
25
Strength to Weight: Bending, points 28
32
Thermal Diffusivity, mm2/s 45
54
Thermal Shock Resistance, points 8.6
12

Alloy Composition

Aluminum (Al), % 91.4 to 95.5
88.4 to 92.9
Copper (Cu), % 0 to 0.1
2.6 to 3.6
Iron (Fe), % 0 to 0.55
0 to 0.6
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 4.5 to 6.5
0 to 0.050
Manganese (Mn), % 0 to 0.45
0 to 0.55
Nickel (Ni), % 0
0 to 0.1
Silicon (Si), % 0 to 0.55
4.5 to 6.0
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 0.2
Residuals, % 0 to 0.15
0 to 0.15