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EN AC-42200 Aluminum vs. EN 1.7380 Steel

EN AC-42200 aluminum belongs to the aluminum alloys classification, while EN 1.7380 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is EN AC-42200 aluminum and the bottom bar is EN 1.7380 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 89 to 100
160 to 170
Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 3.0 to 6.7
19 to 20
Fatigue Strength, MPa 86 to 90
200 to 230
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
74
Tensile Strength: Ultimate (UTS), MPa 320
540 to 550
Tensile Strength: Yield (Proof), MPa 240 to 260
290 to 330

Thermal Properties

Latent Heat of Fusion, J/g 500
260
Maximum Temperature: Mechanical, °C 170
460
Melting Completion (Liquidus), °C 610
1470
Melting Onset (Solidus), °C 600
1430
Specific Heat Capacity, J/kg-K 910
470
Thermal Conductivity, W/m-K 150
39
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
3.8
Density, g/cm3 2.6
7.9
Embodied Carbon, kg CO2/kg material 8.0
1.8
Embodied Energy, MJ/kg 150
23
Embodied Water, L/kg 1110
59

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.0 to 20
87 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 410 to 490
230 to 280
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
24
Strength to Weight: Axial, points 34 to 35
19 to 20
Strength to Weight: Bending, points 40 to 41
19
Thermal Diffusivity, mm2/s 66
11
Thermal Shock Resistance, points 15
15 to 16

Alloy Composition

Aluminum (Al), % 91 to 93.1
0
Carbon (C), % 0
0.080 to 0.14
Chromium (Cr), % 0
2.0 to 2.5
Copper (Cu), % 0 to 0.050
0 to 0.3
Iron (Fe), % 0 to 0.19
94.6 to 96.6
Magnesium (Mg), % 0.45 to 0.7
0
Manganese (Mn), % 0 to 0.1
0.4 to 0.8
Molybdenum (Mo), % 0
0.9 to 1.1
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 6.5 to 7.5
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0