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A380.0 Aluminum vs. EN 1.7380 Steel

A380.0 aluminum belongs to the aluminum alloys classification, while EN 1.7380 steel belongs to the iron alloys. There are 31 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 A380.0 aluminum and the bottom bar is EN 1.7380 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
160 to 170
Elastic (Young's, Tensile) Modulus, GPa 73
190
Elongation at Break, % 3.3
19 to 20
Fatigue Strength, MPa 140
200 to 230
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
74
Shear Strength, MPa 190
330 to 350
Tensile Strength: Ultimate (UTS), MPa 290
540 to 550
Tensile Strength: Yield (Proof), MPa 160
290 to 330

Thermal Properties

Latent Heat of Fusion, J/g 510
260
Maximum Temperature: Mechanical, °C 170
460
Melting Completion (Liquidus), °C 590
1470
Melting Onset (Solidus), °C 550
1430
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 96
39
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 78
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
3.8
Density, g/cm3 2.9
7.9
Embodied Carbon, kg CO2/kg material 7.5
1.8
Embodied Energy, MJ/kg 140
23
Embodied Water, L/kg 1040
59

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.3
87 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 180
230 to 280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 48
24
Strength to Weight: Axial, points 28
19 to 20
Strength to Weight: Bending, points 34
19
Thermal Diffusivity, mm2/s 38
11
Thermal Shock Resistance, points 13
15 to 16

Alloy Composition

Aluminum (Al), % 80.3 to 89.5
0
Carbon (C), % 0
0.080 to 0.14
Chromium (Cr), % 0
2.0 to 2.5
Copper (Cu), % 3.0 to 4.0
0 to 0.3
Iron (Fe), % 0 to 1.3
94.6 to 96.6
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0.4 to 0.8
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0 to 0.5
0
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 7.5 to 9.5
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.35
0
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0 to 0.5
0