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EN 1.6957 Steel vs. 380.0 Aluminum

EN 1.6957 steel belongs to the iron alloys classification, while 380.0 aluminum belongs to the aluminum 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 EN 1.6957 steel and the bottom bar is 380.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280
80
Elastic (Young's, Tensile) Modulus, GPa 190
74
Elongation at Break, % 18
3.0
Fatigue Strength, MPa 530
140
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
28
Shear Strength, MPa 570
190
Tensile Strength: Ultimate (UTS), MPa 930
320
Tensile Strength: Yield (Proof), MPa 780
160

Thermal Properties

Latent Heat of Fusion, J/g 250
510
Maximum Temperature: Mechanical, °C 450
170
Melting Completion (Liquidus), °C 1460
590
Melting Onset (Solidus), °C 1420
540
Specific Heat Capacity, J/kg-K 470
870
Thermal Conductivity, W/m-K 47
100
Thermal Expansion, µm/m-K 13
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
27
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
83

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
10
Density, g/cm3 7.9
2.9
Embodied Carbon, kg CO2/kg material 2.1
7.5
Embodied Energy, MJ/kg 29
140
Embodied Water, L/kg 60
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
8.0
Resilience: Unit (Modulus of Resilience), kJ/m3 1630
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
48
Strength to Weight: Axial, points 33
31
Strength to Weight: Bending, points 27
36
Thermal Diffusivity, mm2/s 13
40
Thermal Shock Resistance, points 27
14

Alloy Composition

Aluminum (Al), % 0
79.6 to 89.5
Carbon (C), % 0.22 to 0.32
0
Chromium (Cr), % 1.2 to 1.8
0
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 92.7 to 94.7
0 to 2.0
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0.15 to 0.4
0 to 0.5
Molybdenum (Mo), % 0.25 to 0.45
0
Nickel (Ni), % 3.4 to 4.0
0 to 0.5
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.15
7.5 to 9.5
Sulfur (S), % 0 to 0.0070
0
Tin (Sn), % 0
0 to 0.35
Vanadium (V), % 0.050 to 0.15
0
Zinc (Zn), % 0
0 to 3.0
Residuals, % 0
0 to 0.5