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357.0 Aluminum vs. EN 1.6958 Steel

357.0 aluminum belongs to the aluminum alloys classification, while EN 1.6958 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 357.0 aluminum and the bottom bar is EN 1.6958 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 95
340
Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 3.4
16
Fatigue Strength, MPa 76
700
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 200
700
Tensile Strength: Ultimate (UTS), MPa 350
1140
Tensile Strength: Yield (Proof), MPa 300
1070

Thermal Properties

Latent Heat of Fusion, J/g 500
250
Maximum Temperature: Mechanical, °C 170
450
Melting Completion (Liquidus), °C 620
1460
Melting Onset (Solidus), °C 560
1420
Specific Heat Capacity, J/kg-K 910
470
Thermal Conductivity, W/m-K 150
47
Thermal Expansion, µm/m-K 21
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 140
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
5.0
Density, g/cm3 2.6
7.9
Embodied Carbon, kg CO2/kg material 8.0
2.0
Embodied Energy, MJ/kg 150
27
Embodied Water, L/kg 1110
60

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
180
Resilience: Unit (Modulus of Resilience), kJ/m3 620
3050
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
24
Strength to Weight: Axial, points 38
40
Strength to Weight: Bending, points 43
31
Thermal Diffusivity, mm2/s 64
13
Thermal Shock Resistance, points 17
39

Alloy Composition

Aluminum (Al), % 91.3 to 93.1
0.0050 to 0.050
Carbon (C), % 0
0.25 to 0.3
Chromium (Cr), % 0
1.2 to 1.7
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.15
92.6 to 94.5
Magnesium (Mg), % 0.45 to 0.6
0
Manganese (Mn), % 0 to 0.030
0.2 to 0.5
Molybdenum (Mo), % 0
0.35 to 0.55
Nickel (Ni), % 0
3.3 to 3.8
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 6.5 to 7.5
0.15 to 0.3
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.2
0
Vanadium (V), % 0
0 to 0.12
Zinc (Zn), % 0 to 0.050
0
Residuals, % 0 to 0.15
0