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705.0 Aluminum vs. EN AC-21100 Aluminum

Both 705.0 aluminum and EN AC-21100 aluminum are aluminum alloys. They have a very high 95% 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 705.0 aluminum and the bottom bar is EN AC-21100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 62 to 65
100 to 110
Elastic (Young's, Tensile) Modulus, GPa 69
71
Elongation at Break, % 8.4 to 10
6.2 to 7.3
Fatigue Strength, MPa 63 to 98
79 to 87
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 240 to 260
340 to 350
Tensile Strength: Yield (Proof), MPa 130
210 to 240

Thermal Properties

Latent Heat of Fusion, J/g 390
390
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 640
670
Melting Onset (Solidus), °C 610
550
Specific Heat Capacity, J/kg-K 890
880
Thermal Conductivity, W/m-K 140
130
Thermal Expansion, µm/m-K 24
23

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.8
3.0
Embodied Carbon, kg CO2/kg material 8.4
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1170
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 20
19 to 21
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 130
300 to 400
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
46
Strength to Weight: Axial, points 24 to 26
31 to 33
Strength to Weight: Bending, points 31 to 32
36 to 37
Thermal Diffusivity, mm2/s 55
48
Thermal Shock Resistance, points 11
15

Alloy Composition

Aluminum (Al), % 92.3 to 98.6
93.4 to 95.7
Chromium (Cr), % 0 to 0.4
0
Copper (Cu), % 0 to 0.2
4.2 to 5.2
Iron (Fe), % 0 to 0.8
0 to 0.19
Magnesium (Mg), % 1.4 to 1.8
0
Manganese (Mn), % 0 to 0.6
0 to 0.55
Silicon (Si), % 0 to 0.2
0 to 0.18
Titanium (Ti), % 0 to 0.25
0.15 to 0.3
Zinc (Zn), % 0 to 3.3
0 to 0.070
Residuals, % 0
0 to 0.1