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213.0 Aluminum vs. SAE-AISI 5155 Steel

213.0 aluminum belongs to the aluminum alloys classification, while SAE-AISI 5155 steel belongs to the iron alloys. There are 30 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 213.0 aluminum and the bottom bar is SAE-AISI 5155 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
190
Elastic (Young's, Tensile) Modulus, GPa 73
190
Elongation at Break, % 1.5
21
Fatigue Strength, MPa 93
260
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
73
Tensile Strength: Ultimate (UTS), MPa 190
620
Tensile Strength: Yield (Proof), MPa 130
380

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 170
420
Melting Completion (Liquidus), °C 670
1450
Melting Onset (Solidus), °C 480
1410
Specific Heat Capacity, J/kg-K 850
470
Thermal Conductivity, W/m-K 130
49
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 94
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.1
Density, g/cm3 3.2
7.8
Embodied Carbon, kg CO2/kg material 7.7
1.4
Embodied Energy, MJ/kg 140
19
Embodied Water, L/kg 1090
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.5
110
Resilience: Unit (Modulus of Resilience), kJ/m3 120
380
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 44
24
Strength to Weight: Axial, points 16
22
Strength to Weight: Bending, points 23
21
Thermal Diffusivity, mm2/s 49
13
Thermal Shock Resistance, points 8.0
20

Alloy Composition

Aluminum (Al), % 83.5 to 93
0
Carbon (C), % 0
0.51 to 0.59
Chromium (Cr), % 0
0.7 to 0.9
Copper (Cu), % 6.0 to 8.0
0
Iron (Fe), % 0 to 1.2
97.2 to 97.9
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.6
0.7 to 0.9
Nickel (Ni), % 0 to 0.35
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 1.0 to 3.0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 2.5
0
Residuals, % 0 to 0.5
0