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EN 1.8818 Steel vs. 357.0 Aluminum

EN 1.8818 steel belongs to the iron alloys classification, while 357.0 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 1.8818 steel and the bottom bar is 357.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
95
Elastic (Young's, Tensile) Modulus, GPa 190
70
Elongation at Break, % 27
3.4
Fatigue Strength, MPa 200
76
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Shear Strength, MPa 280
200
Tensile Strength: Ultimate (UTS), MPa 440
350
Tensile Strength: Yield (Proof), MPa 270
300

Thermal Properties

Latent Heat of Fusion, J/g 250
500
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1460
620
Melting Onset (Solidus), °C 1420
560
Specific Heat Capacity, J/kg-K 470
910
Thermal Conductivity, W/m-K 48
150
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
39
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
140

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
9.5
Density, g/cm3 7.8
2.6
Embodied Carbon, kg CO2/kg material 1.6
8.0
Embodied Energy, MJ/kg 21
150
Embodied Water, L/kg 49
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
11
Resilience: Unit (Modulus of Resilience), kJ/m3 200
620
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
53
Strength to Weight: Axial, points 16
38
Strength to Weight: Bending, points 16
43
Thermal Diffusivity, mm2/s 13
64
Thermal Shock Resistance, points 13
17

Alloy Composition


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Aluminum (Al), % 0.015 to 0.034
91.3 to 93.1
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 0 to 0.35
0
Copper (Cu), % 0 to 0.6
0 to 0.050
Iron (Fe), % 95.9 to 99.985
0 to 0.15
Magnesium (Mg), % 0
0.45 to 0.6
Manganese (Mn), % 0 to 1.6
0 to 0.030
Molybdenum (Mo), % 0 to 0.13
0
Nickel (Ni), % 0 to 0.35
0
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.017
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.55
6.5 to 7.5
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0 to 0.060
0 to 0.2
Vanadium (V), % 0 to 0.1
0
Zinc (Zn), % 0
0 to 0.050
Residuals, % 0
0 to 0.15