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EN AC-45400 Aluminum vs. 6351 Aluminum

Both EN AC-45400 aluminum and 6351 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN AC-45400 aluminum and the bottom bar is 6351 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
69
Elongation at Break, % 6.7
7.8 to 18
Fatigue Strength, MPa 55
79 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Tensile Strength: Ultimate (UTS), MPa 260
140 to 310
Tensile Strength: Yield (Proof), MPa 130
95 to 270

Thermal Properties

Latent Heat of Fusion, J/g 470
410
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 630
650
Melting Onset (Solidus), °C 560
570
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 140
180
Thermal Expansion, µm/m-K 22
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
46
Electrical Conductivity: Equal Weight (Specific), % IACS 95
150

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 2.8
2.7
Embodied Carbon, kg CO2/kg material 7.8
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1100
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
20 to 38
Resilience: Unit (Modulus of Resilience), kJ/m3 110
65 to 540
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
50
Strength to Weight: Axial, points 25
14 to 32
Strength to Weight: Bending, points 32
22 to 38
Thermal Diffusivity, mm2/s 54
72
Thermal Shock Resistance, points 12
6.1 to 14

Alloy Composition

Aluminum (Al), % 88.4 to 92.9
96 to 98.5
Copper (Cu), % 2.6 to 3.6
0 to 0.1
Iron (Fe), % 0 to 0.6
0 to 0.5
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 0 to 0.050
0.4 to 0.8
Manganese (Mn), % 0 to 0.55
0.4 to 0.8
Nickel (Ni), % 0 to 0.1
0
Silicon (Si), % 4.5 to 6.0
0.7 to 1.3
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.25
0 to 0.2
Zinc (Zn), % 0 to 0.2
0 to 0.2
Residuals, % 0
0 to 0.15