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772.0 Aluminum vs. EN 1.3553 Steel

772.0 aluminum belongs to the aluminum alloys classification, while EN 1.3553 steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, 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 772.0 aluminum and the bottom bar is EN 1.3553 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
200
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 26
77
Tensile Strength: Ultimate (UTS), MPa 260 to 320
720

Thermal Properties

Latent Heat of Fusion, J/g 380
260
Maximum Temperature: Mechanical, °C 180
540
Melting Completion (Liquidus), °C 630
1620
Melting Onset (Solidus), °C 580
1570
Specific Heat Capacity, J/kg-K 870
440
Thermal Conductivity, W/m-K 150
24
Thermal Expansion, µm/m-K 24
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
10
Electrical Conductivity: Equal Weight (Specific), % IACS 110
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
24
Density, g/cm3 3.0
8.4
Embodied Carbon, kg CO2/kg material 8.0
8.5
Embodied Energy, MJ/kg 150
130
Embodied Water, L/kg 1140
96

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
23
Strength to Weight: Axial, points 25 to 31
24
Strength to Weight: Bending, points 31 to 36
21
Thermal Diffusivity, mm2/s 58
6.4
Thermal Shock Resistance, points 11 to 14
21

Alloy Composition

Aluminum (Al), % 91.2 to 93.2
0
Carbon (C), % 0
0.78 to 0.86
Chromium (Cr), % 0.060 to 0.2
3.9 to 4.3
Copper (Cu), % 0 to 0.1
0 to 0.3
Iron (Fe), % 0 to 0.15
80.7 to 83.7
Magnesium (Mg), % 0.6 to 0.8
0
Manganese (Mn), % 0 to 0.1
0 to 0.4
Molybdenum (Mo), % 0
4.7 to 5.2
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.15
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0.1 to 0.2
0
Tungsten (W), % 0
6.0 to 6.7
Vanadium (V), % 0
1.7 to 2.0
Zinc (Zn), % 6.0 to 7.0
0
Residuals, % 0 to 0.15
0