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EN 1.8515 Steel vs. EN AC-44500 Aluminum

EN 1.8515 steel belongs to the iron alloys classification, while EN AC-44500 aluminum belongs to the aluminum alloys. There are 30 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 EN 1.8515 steel and the bottom bar is EN AC-44500 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 340
68
Elastic (Young's, Tensile) Modulus, GPa 190
72
Elongation at Break, % 11
1.1
Fatigue Strength, MPa 580
110
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 74
27
Tensile Strength: Ultimate (UTS), MPa 1130
270
Tensile Strength: Yield (Proof), MPa 940
160

Thermal Properties

Latent Heat of Fusion, J/g 250
570
Maximum Temperature: Mechanical, °C 470
170
Melting Completion (Liquidus), °C 1460
590
Melting Onset (Solidus), °C 1420
580
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 40
130
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
33
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
120

Otherwise Unclassified Properties

Base Metal Price, % relative 3.5
9.5
Density, g/cm3 7.8
2.5
Embodied Carbon, kg CO2/kg material 1.6
7.7
Embodied Energy, MJ/kg 22
140
Embodied Water, L/kg 60
1050

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
2.6
Resilience: Unit (Modulus of Resilience), kJ/m3 2310
180
Stiffness to Weight: Axial, points 13
16
Stiffness to Weight: Bending, points 24
55
Strength to Weight: Axial, points 40
29
Strength to Weight: Bending, points 31
36
Thermal Diffusivity, mm2/s 11
57
Thermal Shock Resistance, points 33
13

Alloy Composition

Aluminum (Al), % 0
83.7 to 89.5
Carbon (C), % 0.28 to 0.35
0
Chromium (Cr), % 2.8 to 3.3
0
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 94.7 to 96.5
0 to 1.0
Magnesium (Mg), % 0
0 to 0.4
Manganese (Mn), % 0.4 to 0.7
0 to 0.55
Molybdenum (Mo), % 0.3 to 0.5
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
10.5 to 13.5
Sulfur (S), % 0 to 0.035
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.3
Residuals, % 0
0 to 0.25