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EN AC-46500 Aluminum vs. SAE-AISI 1137 Steel

EN AC-46500 aluminum belongs to the aluminum alloys classification, while SAE-AISI 1137 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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-46500 aluminum and the bottom bar is SAE-AISI 1137 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 74
190
Elongation at Break, % 1.0
11 to 17
Fatigue Strength, MPa 110
250 to 400
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
73
Tensile Strength: Ultimate (UTS), MPa 270
700 to 760
Tensile Strength: Yield (Proof), MPa 160
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 520
250
Maximum Temperature: Mechanical, °C 180
400
Melting Completion (Liquidus), °C 610
1460
Melting Onset (Solidus), °C 520
1420
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 100
51
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
10
Electrical Conductivity: Equal Weight (Specific), % IACS 81
12

Otherwise Unclassified Properties

Base Metal Price, % relative 10
1.9
Density, g/cm3 2.9
7.8
Embodied Carbon, kg CO2/kg material 7.6
1.4
Embodied Energy, MJ/kg 140
19
Embodied Water, L/kg 1030
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
81 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 170
360 to 1130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
24
Strength to Weight: Axial, points 26
25 to 27
Strength to Weight: Bending, points 32
22 to 24
Thermal Diffusivity, mm2/s 41
14
Thermal Shock Resistance, points 12
21 to 23

Alloy Composition

Aluminum (Al), % 77.9 to 90
0
Carbon (C), % 0
0.32 to 0.39
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 2.0 to 4.0
0
Iron (Fe), % 0 to 1.3
97.8 to 98.3
Lead (Pb), % 0 to 0.35
0
Magnesium (Mg), % 0.050 to 0.55
0
Manganese (Mn), % 0 to 0.55
1.4 to 1.7
Nickel (Ni), % 0 to 0.55
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 8.0 to 11
0
Sulfur (S), % 0
0.080 to 0.13
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0 to 0.25
0