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EN AC-21200 Aluminum vs. 242.0 Aluminum

Both EN AC-21200 aluminum and 242.0 aluminum are aluminum alloys. They have a very high 96% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN AC-21200 aluminum and the bottom bar is 242.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120 to 130
70 to 110
Elastic (Young's, Tensile) Modulus, GPa 71
73
Elongation at Break, % 3.9 to 6.2
0.5 to 1.5
Fatigue Strength, MPa 110 to 130
55 to 110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Tensile Strength: Ultimate (UTS), MPa 410 to 440
180 to 290
Tensile Strength: Yield (Proof), MPa 270 to 360
120 to 220

Thermal Properties

Latent Heat of Fusion, J/g 390
390
Maximum Temperature: Mechanical, °C 170
210
Melting Completion (Liquidus), °C 660
640
Melting Onset (Solidus), °C 550
530
Specific Heat Capacity, J/kg-K 880
870
Thermal Conductivity, W/m-K 130
130 to 170
Thermal Expansion, µm/m-K 23
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
33 to 44
Electrical Conductivity: Equal Weight (Specific), % IACS 100
96 to 130

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 3.0
3.1
Embodied Carbon, kg CO2/kg material 8.0
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 22
1.3 to 3.4
Resilience: Unit (Modulus of Resilience), kJ/m3 500 to 930
110 to 340
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
45
Strength to Weight: Axial, points 38 to 40
16 to 26
Strength to Weight: Bending, points 41 to 43
23 to 32
Thermal Diffusivity, mm2/s 49
50 to 62
Thermal Shock Resistance, points 18 to 19
8.0 to 13

Alloy Composition

Aluminum (Al), % 93.3 to 95.7
88.4 to 93.6
Chromium (Cr), % 0
0 to 0.25
Copper (Cu), % 4.0 to 5.0
3.5 to 4.5
Iron (Fe), % 0 to 0.2
0 to 1.0
Lead (Pb), % 0 to 0.030
0
Magnesium (Mg), % 0.15 to 0.5
1.2 to 1.8
Manganese (Mn), % 0.2 to 0.5
0 to 0.35
Nickel (Ni), % 0 to 0.050
1.7 to 2.3
Silicon (Si), % 0 to 0.1
0 to 0.7
Tin (Sn), % 0 to 0.030
0
Titanium (Ti), % 0 to 0.1
0 to 0.25
Zinc (Zn), % 0 to 0.1
0 to 0.35
Residuals, % 0
0 to 0.15

Comparable Variants