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328.0 Aluminum vs. ASTM A372 Grade F Steel

328.0 aluminum belongs to the aluminum alloys classification, while ASTM A372 grade F 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 328.0 aluminum and the bottom bar is ASTM A372 grade F steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60 to 82
200 to 280
Elastic (Young's, Tensile) Modulus, GPa 72
190
Elongation at Break, % 1.6 to 2.1
20 to 22
Fatigue Strength, MPa 55 to 80
310 to 380
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Tensile Strength: Ultimate (UTS), MPa 200 to 270
650 to 910
Tensile Strength: Yield (Proof), MPa 120 to 170
430 to 550

Thermal Properties

Latent Heat of Fusion, J/g 510
250
Maximum Temperature: Mechanical, °C 180
420
Melting Completion (Liquidus), °C 620
1460
Melting Onset (Solidus), °C 560
1420
Specific Heat Capacity, J/kg-K 890
470
Thermal Conductivity, W/m-K 120
44
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 99
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.4
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 7.8
1.5
Embodied Energy, MJ/kg 140
20
Embodied Water, L/kg 1070
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8 to 5.0
130 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 92 to 200
500 to 810
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 51
24
Strength to Weight: Axial, points 21 to 28
23 to 32
Strength to Weight: Bending, points 28 to 34
21 to 27
Thermal Diffusivity, mm2/s 50
12
Thermal Shock Resistance, points 9.2 to 12
19 to 27

Alloy Composition

Aluminum (Al), % 84.5 to 91.1
0
Carbon (C), % 0
0.3 to 0.4
Chromium (Cr), % 0 to 0.35
0.8 to 1.2
Copper (Cu), % 1.0 to 2.0
0
Iron (Fe), % 0 to 1.0
96.8 to 97.9
Magnesium (Mg), % 0.2 to 0.6
0
Manganese (Mn), % 0.2 to 0.6
0.7 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 7.5 to 8.5
0.15 to 0.35
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 1.5
0
Residuals, % 0 to 0.5
0

Comparable Variants