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A206.0 Aluminum vs. EN 1.6957 Steel

A206.0 aluminum belongs to the aluminum alloys classification, while EN 1.6957 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 A206.0 aluminum and the bottom bar is EN 1.6957 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 110
280
Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 4.2 to 10
18
Fatigue Strength, MPa 90 to 180
530
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 260
570
Tensile Strength: Ultimate (UTS), MPa 390 to 440
930
Tensile Strength: Yield (Proof), MPa 250 to 380
780

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Maximum Temperature: Mechanical, °C 170
450
Melting Completion (Liquidus), °C 670
1460
Melting Onset (Solidus), °C 550
1420
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 130
47
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 90
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
5.0
Density, g/cm3 3.0
7.9
Embodied Carbon, kg CO2/kg material 8.0
2.1
Embodied Energy, MJ/kg 150
29
Embodied Water, L/kg 1150
60

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 37
160
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 1000
1630
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 36 to 41
33
Strength to Weight: Bending, points 39 to 43
27
Thermal Diffusivity, mm2/s 48
13
Thermal Shock Resistance, points 17 to 19
27

Alloy Composition

Aluminum (Al), % 93.9 to 95.7
0
Carbon (C), % 0
0.22 to 0.32
Chromium (Cr), % 0
1.2 to 1.8
Copper (Cu), % 4.2 to 5.0
0
Iron (Fe), % 0 to 0.1
92.7 to 94.7
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0 to 0.2
0.15 to 0.4
Molybdenum (Mo), % 0
0.25 to 0.45
Nickel (Ni), % 0 to 0.050
3.4 to 4.0
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.050
0 to 0.15
Sulfur (S), % 0
0 to 0.0070
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.3
0
Vanadium (V), % 0
0.050 to 0.15
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0