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771.0 Aluminum vs. EN 1.6553 Steel

771.0 aluminum belongs to the aluminum alloys classification, while EN 1.6553 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 771.0 aluminum and the bottom bar is EN 1.6553 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85 to 120
210 to 240
Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 1.7 to 6.5
19 to 21
Fatigue Strength, MPa 92 to 180
330 to 460
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 26
73
Tensile Strength: Ultimate (UTS), MPa 250 to 370
710 to 800
Tensile Strength: Yield (Proof), MPa 210 to 350
470 to 670

Thermal Properties

Latent Heat of Fusion, J/g 380
250
Maximum Temperature: Mechanical, °C 180
420
Melting Completion (Liquidus), °C 630
1460
Melting Onset (Solidus), °C 620
1420
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 140 to 150
39
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 82
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.7
Density, g/cm3 3.0
7.8
Embodied Carbon, kg CO2/kg material 8.0
1.6
Embodied Energy, MJ/kg 150
21
Embodied Water, L/kg 1130
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4 to 20
130 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 900
600 to 1190
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 23 to 35
25 to 28
Strength to Weight: Bending, points 29 to 39
23 to 24
Thermal Diffusivity, mm2/s 54 to 58
10
Thermal Shock Resistance, points 11 to 16
21 to 23

Alloy Composition

Aluminum (Al), % 90.5 to 92.5
0
Carbon (C), % 0
0.23 to 0.28
Chromium (Cr), % 0.060 to 0.2
0.4 to 0.8
Copper (Cu), % 0 to 0.1
0 to 0.3
Iron (Fe), % 0 to 0.15
95.6 to 98.2
Magnesium (Mg), % 0.8 to 1.0
0
Manganese (Mn), % 0 to 0.1
0.6 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.3
Nickel (Ni), % 0
0.4 to 0.8
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.15
0 to 0.8
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0.1 to 0.2
0
Vanadium (V), % 0
0 to 0.030
Zinc (Zn), % 6.5 to 7.5
0
Residuals, % 0 to 0.15
0

Comparable Variants