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EN 1.7711 Steel vs. 5457 Aluminum

EN 1.7711 steel belongs to the iron alloys classification, while 5457 aluminum belongs to the aluminum alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, 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 1.7711 steel and the bottom bar is 5457 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 280
32 to 55
Elastic (Young's, Tensile) Modulus, GPa 190
68
Elongation at Break, % 16 to 22
6.0 to 22
Fatigue Strength, MPa 290 to 520
55 to 98
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Shear Strength, MPa 440 to 570
85 to 130
Tensile Strength: Ultimate (UTS), MPa 690 to 930
130 to 210
Tensile Strength: Yield (Proof), MPa 400 to 800
50 to 190

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Maximum Temperature: Mechanical, °C 430
180
Melting Completion (Liquidus), °C 1460
660
Melting Onset (Solidus), °C 1420
630
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 33
180
Thermal Expansion, µm/m-K 11
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
46
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
150

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
9.5
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 2.3
8.4
Embodied Energy, MJ/kg 32
160
Embodied Water, L/kg 54
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 140
12 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1690
18 to 250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 24 to 33
13 to 21
Strength to Weight: Bending, points 22 to 27
21 to 28
Thermal Diffusivity, mm2/s 8.9
72
Thermal Shock Resistance, points 24 to 32
5.7 to 9.0

Alloy Composition

Aluminum (Al), % 0 to 0.015
97.8 to 99.05
Carbon (C), % 0.36 to 0.44
0
Chromium (Cr), % 0.9 to 1.2
0
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 96 to 97.5
0 to 0.1
Magnesium (Mg), % 0
0.8 to 1.2
Manganese (Mn), % 0.45 to 0.85
0.15 to 0.45
Molybdenum (Mo), % 0.5 to 0.65
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0 to 0.080
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0.25 to 0.35
0 to 0.050
Zinc (Zn), % 0
0 to 0.050
Residuals, % 0
0 to 0.1

Comparable Variants