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380.0 Aluminum vs. ASTM A356 Grade 2

380.0 aluminum belongs to the aluminum alloys classification, while ASTM A356 grade 2 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 380.0 aluminum and the bottom bar is ASTM A356 grade 2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
150
Elastic (Young's, Tensile) Modulus, GPa 74
190
Elongation at Break, % 3.0
25
Fatigue Strength, MPa 140
200
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
73
Tensile Strength: Ultimate (UTS), MPa 320
510
Tensile Strength: Yield (Proof), MPa 160
270

Thermal Properties

Latent Heat of Fusion, J/g 510
250
Maximum Temperature: Mechanical, °C 170
410
Melting Completion (Liquidus), °C 590
1470
Melting Onset (Solidus), °C 540
1430
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 100
51
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 83
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.4
Density, g/cm3 2.9
7.9
Embodied Carbon, kg CO2/kg material 7.5
1.5
Embodied Energy, MJ/kg 140
20
Embodied Water, L/kg 1040
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0
110
Resilience: Unit (Modulus of Resilience), kJ/m3 170
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 48
24
Strength to Weight: Axial, points 31
18
Strength to Weight: Bending, points 36
18
Thermal Diffusivity, mm2/s 40
14
Thermal Shock Resistance, points 14
15

Alloy Composition

Aluminum (Al), % 79.6 to 89.5
0
Carbon (C), % 0
0 to 0.25
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 0 to 2.0
97.7 to 99.55
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 0.7
Molybdenum (Mo), % 0
0.45 to 0.65
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 7.5 to 9.5
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.35
0
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0 to 0.5
0