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7003 Aluminum vs. EN AC-21100 Aluminum

Both 7003 aluminum and EN AC-21100 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 7003 aluminum and the bottom bar is EN AC-21100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
71
Elongation at Break, % 11
6.2 to 7.3
Fatigue Strength, MPa 130 to 150
79 to 87
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 350 to 390
340 to 350
Tensile Strength: Yield (Proof), MPa 300 to 310
210 to 240

Thermal Properties

Latent Heat of Fusion, J/g 380
390
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 630
670
Melting Onset (Solidus), °C 510
550
Specific Heat Capacity, J/kg-K 870
880
Thermal Conductivity, W/m-K 150
130
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
34
Electrical Conductivity: Equal Weight (Specific), % IACS 110
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.9
3.0
Embodied Carbon, kg CO2/kg material 8.1
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1140
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37 to 41
19 to 21
Resilience: Unit (Modulus of Resilience), kJ/m3 630 to 710
300 to 400
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
46
Strength to Weight: Axial, points 33 to 37
31 to 33
Strength to Weight: Bending, points 37 to 40
36 to 37
Thermal Diffusivity, mm2/s 59
48
Thermal Shock Resistance, points 15 to 17
15

Alloy Composition

Aluminum (Al), % 90.6 to 94.5
93.4 to 95.7
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.2
4.2 to 5.2
Iron (Fe), % 0 to 0.35
0 to 0.19
Magnesium (Mg), % 0.5 to 1.0
0
Manganese (Mn), % 0 to 0.3
0 to 0.55
Silicon (Si), % 0 to 0.3
0 to 0.18
Titanium (Ti), % 0 to 0.2
0.15 to 0.3
Zinc (Zn), % 5.0 to 6.5
0 to 0.070
Zirconium (Zr), % 0.050 to 0.25
0
Residuals, % 0
0 to 0.1

Comparable Variants