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513.0 Aluminum vs. ASTM A387 Grade 5 Steel

513.0 aluminum belongs to the aluminum alloys classification, while ASTM A387 grade 5 steel belongs to the iron alloys. There are 31 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 513.0 aluminum and the bottom bar is ASTM A387 grade 5 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 5.7
20 to 21
Fatigue Strength, MPa 97
160 to 240
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
74
Shear Strength, MPa 170
310 to 380
Tensile Strength: Ultimate (UTS), MPa 200
500 to 600
Tensile Strength: Yield (Proof), MPa 120
230 to 350

Thermal Properties

Latent Heat of Fusion, J/g 390
260
Maximum Temperature: Mechanical, °C 170
510
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 590
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 130
40
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 110
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
4.3
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.8
1.7
Embodied Energy, MJ/kg 150
23
Embodied Water, L/kg 1170
69

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.8
83 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 100
140 to 320
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 20
18 to 21
Strength to Weight: Bending, points 28
18 to 20
Thermal Diffusivity, mm2/s 54
11
Thermal Shock Resistance, points 8.8
14 to 17

Alloy Composition

Aluminum (Al), % 91.9 to 95.1
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
4.0 to 6.0
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.4
92.1 to 95.3
Magnesium (Mg), % 3.5 to 4.5
0
Manganese (Mn), % 0 to 0.3
0.3 to 0.6
Molybdenum (Mo), % 0
0.45 to 0.65
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.3
0 to 0.5
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 1.4 to 2.2
0
Residuals, % 0 to 0.15
0