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EN AC-71100 Aluminum vs. SAE-AISI H19 Steel

EN AC-71100 aluminum belongs to the aluminum alloys classification, while SAE-AISI H19 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, 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-71100 aluminum and the bottom bar is SAE-AISI H19 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 27
75
Tensile Strength: Ultimate (UTS), MPa 260
720 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 490
260
Melting Completion (Liquidus), °C 580
1540
Melting Onset (Solidus), °C 520
1490
Specific Heat Capacity, J/kg-K 860
460
Thermal Expansion, µm/m-K 22
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
22
Density, g/cm3 2.9
8.2
Embodied Carbon, kg CO2/kg material 7.4
7.5
Embodied Energy, MJ/kg 140
110
Embodied Water, L/kg 1010
110

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 47
24
Strength to Weight: Axial, points 25
24 to 68
Strength to Weight: Bending, points 31
22 to 43
Thermal Shock Resistance, points 12
21 to 59

Alloy Composition

Aluminum (Al), % 78.7 to 83.3
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 0.1
0 to 0.25
Iron (Fe), % 0 to 0.3
81.4 to 85.5
Magnesium (Mg), % 0.2 to 0.5
0
Manganese (Mn), % 0 to 0.15
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), % 7.5 to 9.5
0.2 to 0.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.15
0
Tungsten (W), % 0
3.8 to 4.5
Vanadium (V), % 0
1.8 to 2.2
Zinc (Zn), % 9.0 to 10.5
0
Residuals, % 0 to 0.15
0