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EN AC-51500 Aluminum vs. SAE-AISI H19 Steel

EN AC-51500 aluminum belongs to the aluminum alloys classification, while SAE-AISI H19 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, 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 AC-51500 aluminum and the bottom bar is SAE-AISI H19 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
75
Tensile Strength: Ultimate (UTS), MPa 280
720 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 430
260
Melting Completion (Liquidus), °C 630
1540
Melting Onset (Solidus), °C 590
1490
Specific Heat Capacity, J/kg-K 910
460
Thermal Conductivity, W/m-K 120
29
Thermal Expansion, µm/m-K 23
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
22
Density, g/cm3 2.6
8.2
Embodied Carbon, kg CO2/kg material 9.0
7.5
Embodied Energy, MJ/kg 150
110
Embodied Water, L/kg 1150
110

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 52
24
Strength to Weight: Axial, points 29
24 to 68
Strength to Weight: Bending, points 36
22 to 43
Thermal Diffusivity, mm2/s 49
7.9
Thermal Shock Resistance, points 13
21 to 59

Alloy Composition

Aluminum (Al), % 89.8 to 93.1
0
Carbon (C), % 0
0.32 to 0.45
Chromium (Cr), % 0
4.0 to 4.8
Cobalt (Co), % 0
4.0 to 4.5
Copper (Cu), % 0 to 0.050
0 to 0.25
Iron (Fe), % 0 to 0.25
81.4 to 85.5
Magnesium (Mg), % 4.7 to 6.0
0
Manganese (Mn), % 0.4 to 0.8
0.2 to 0.5
Molybdenum (Mo), % 0
0.3 to 0.55
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 1.8 to 2.6
0.2 to 0.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Tungsten (W), % 0
3.8 to 4.5
Vanadium (V), % 0
1.8 to 2.2
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.15
0