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EN AC-42100 Aluminum vs. EN AC-42200 Aluminum

Both EN AC-42100 aluminum and EN AC-42200 aluminum are aluminum alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN AC-42100 aluminum and the bottom bar is EN AC-42200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
89 to 100
Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 3.4 to 9.0
3.0 to 6.7
Fatigue Strength, MPa 76 to 82
86 to 90
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 280 to 290
320
Tensile Strength: Yield (Proof), MPa 210 to 230
240 to 260

Thermal Properties

Latent Heat of Fusion, J/g 500
500
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 610
610
Melting Onset (Solidus), °C 600
600
Specific Heat Capacity, J/kg-K 910
910
Thermal Conductivity, W/m-K 150
150
Thermal Expansion, µm/m-K 22
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
40
Electrical Conductivity: Equal Weight (Specific), % IACS 140
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.6
2.6
Embodied Carbon, kg CO2/kg material 8.0
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1110
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1 to 23
9.0 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 370
410 to 490
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 53
53
Strength to Weight: Axial, points 30 to 31
34 to 35
Strength to Weight: Bending, points 37 to 38
40 to 41
Thermal Diffusivity, mm2/s 66
66
Thermal Shock Resistance, points 13
15

Alloy Composition

Aluminum (Al), % 91.3 to 93.3
91 to 93.1
Copper (Cu), % 0 to 0.050
0 to 0.050
Iron (Fe), % 0 to 0.19
0 to 0.19
Magnesium (Mg), % 0.25 to 0.45
0.45 to 0.7
Manganese (Mn), % 0 to 0.1
0 to 0.1
Silicon (Si), % 6.5 to 7.5
6.5 to 7.5
Titanium (Ti), % 0 to 0.25
0 to 0.25
Zinc (Zn), % 0 to 0.070
0 to 0.070
Residuals, % 0
0 to 0.1

Comparable Variants