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328.0 Aluminum vs. ASTM A369 Grade FP2

328.0 aluminum belongs to the aluminum alloys classification, while ASTM A369 grade FP2 belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 A369 grade FP2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60 to 82
130
Elastic (Young's, Tensile) Modulus, GPa 72
190
Elongation at Break, % 1.6 to 2.1
20
Fatigue Strength, MPa 55 to 80
160
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Tensile Strength: Ultimate (UTS), MPa 200 to 270
430
Tensile Strength: Yield (Proof), MPa 120 to 170
240

Thermal Properties

Latent Heat of Fusion, J/g 510
250
Maximum Temperature: Mechanical, °C 180
420
Melting Completion (Liquidus), °C 620
1470
Melting Onset (Solidus), °C 560
1430
Specific Heat Capacity, J/kg-K 890
470
Thermal Conductivity, W/m-K 120
49
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 99
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.6
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 7.8
1.6
Embodied Energy, MJ/kg 140
20
Embodied Water, L/kg 1070
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8 to 5.0
75
Resilience: Unit (Modulus of Resilience), kJ/m3 92 to 200
150
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 51
24
Strength to Weight: Axial, points 21 to 28
15
Strength to Weight: Bending, points 28 to 34
16
Thermal Diffusivity, mm2/s 50
13
Thermal Shock Resistance, points 9.2 to 12
13

Alloy Composition

Aluminum (Al), % 84.5 to 91.1
0
Carbon (C), % 0
0.1 to 0.2
Chromium (Cr), % 0 to 0.35
0.5 to 0.81
Copper (Cu), % 1.0 to 2.0
0
Iron (Fe), % 0 to 1.0
97.4 to 98.6
Magnesium (Mg), % 0.2 to 0.6
0
Manganese (Mn), % 0.2 to 0.6
0.3 to 0.61
Molybdenum (Mo), % 0
0.44 to 0.65
Nickel (Ni), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 7.5 to 8.5
0.1 to 0.3
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 1.5
0
Residuals, % 0 to 0.5
0