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EN AC-43300 Aluminum vs. EN AC-51300 Aluminum

Both EN AC-43300 aluminum and EN AC-51300 aluminum are aluminum alloys. They have a moderately high 91% of their average alloy composition in common.

For each property being compared, the top bar is EN AC-43300 aluminum and the bottom bar is EN AC-51300 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91 to 94
65
Elastic (Young's, Tensile) Modulus, GPa 71
67
Elongation at Break, % 3.4 to 6.7
3.7
Fatigue Strength, MPa 76 to 77
78
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
25
Tensile Strength: Ultimate (UTS), MPa 280 to 290
190
Tensile Strength: Yield (Proof), MPa 210 to 230
110

Thermal Properties

Latent Heat of Fusion, J/g 540
400
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 590
600
Specific Heat Capacity, J/kg-K 910
910
Thermal Conductivity, W/m-K 140
110
Thermal Expansion, µm/m-K 22
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
31
Electrical Conductivity: Equal Weight (Specific), % IACS 140
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.5
2.7
Embodied Carbon, kg CO2/kg material 7.9
9.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1080
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1 to 17
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 370
87
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 54
51
Strength to Weight: Axial, points 31 to 32
20
Strength to Weight: Bending, points 37 to 38
28
Thermal Diffusivity, mm2/s 59
45
Thermal Shock Resistance, points 13 to 14
8.6

Alloy Composition

Aluminum (Al), % 88.9 to 90.8
91.4 to 95.5
Copper (Cu), % 0 to 0.050
0 to 0.1
Iron (Fe), % 0 to 0.19
0 to 0.55
Magnesium (Mg), % 0.25 to 0.45
4.5 to 6.5
Manganese (Mn), % 0 to 0.1
0 to 0.45
Silicon (Si), % 9.0 to 10
0 to 0.55
Titanium (Ti), % 0 to 0.15
0 to 0.2
Zinc (Zn), % 0 to 0.070
0 to 0.1
Residuals, % 0 to 0.1
0 to 0.15