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EN AC-51300 Aluminum vs. 7049 Aluminum

Both EN AC-51300 aluminum and 7049 aluminum are aluminum alloys. They have a moderately high 91% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN AC-51300 aluminum and the bottom bar is 7049 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 65
140
Elastic (Young's, Tensile) Modulus, GPa 67
70
Elongation at Break, % 3.7
6.2 to 7.0
Fatigue Strength, MPa 78
160 to 170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 25
27
Tensile Strength: Ultimate (UTS), MPa 190
510 to 530
Tensile Strength: Yield (Proof), MPa 110
420 to 450

Thermal Properties

Latent Heat of Fusion, J/g 400
370
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 600
480
Specific Heat Capacity, J/kg-K 910
860
Thermal Conductivity, W/m-K 110
130
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
36
Electrical Conductivity: Equal Weight (Specific), % IACS 100
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
3.1
Embodied Carbon, kg CO2/kg material 9.1
8.1
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1180
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1
31 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 87
1270 to 1440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
45
Strength to Weight: Axial, points 20
46 to 47
Strength to Weight: Bending, points 28
46 to 47
Thermal Diffusivity, mm2/s 45
51
Thermal Shock Resistance, points 8.6
22 to 23

Alloy Composition

Aluminum (Al), % 91.4 to 95.5
85.7 to 89.5
Chromium (Cr), % 0
0.1 to 0.22
Copper (Cu), % 0 to 0.1
1.2 to 1.9
Iron (Fe), % 0 to 0.55
0 to 0.35
Magnesium (Mg), % 4.5 to 6.5
2.0 to 2.9
Manganese (Mn), % 0 to 0.45
0 to 0.2
Silicon (Si), % 0 to 0.55
0 to 0.25
Titanium (Ti), % 0 to 0.2
0 to 0.1
Zinc (Zn), % 0 to 0.1
7.2 to 8.2
Residuals, % 0 to 0.15
0 to 0.15