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380.0 Aluminum vs. Austempered Cast Iron

380.0 aluminum belongs to the aluminum alloys classification, while austempered cast iron belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, 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 austempered cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
270 to 490
Elastic (Young's, Tensile) Modulus, GPa 74
180
Elongation at Break, % 3.0
1.1 to 13
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
62 to 69
Tensile Strength: Ultimate (UTS), MPa 320
860 to 1800
Tensile Strength: Yield (Proof), MPa 160
560 to 1460

Thermal Properties

Latent Heat of Fusion, J/g 510
280
Melting Completion (Liquidus), °C 590
1380
Melting Onset (Solidus), °C 540
1340
Specific Heat Capacity, J/kg-K 870
490
Thermal Conductivity, W/m-K 100
42
Thermal Expansion, µm/m-K 22
13

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.9
Density, g/cm3 2.9
7.5
Embodied Carbon, kg CO2/kg material 7.5
1.8
Embodied Energy, MJ/kg 140
25
Embodied Water, L/kg 1040
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0
19 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 170
880 to 3970
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 48
25
Strength to Weight: Axial, points 31
32 to 66
Strength to Weight: Bending, points 36
27 to 44
Thermal Diffusivity, mm2/s 40
11
Thermal Shock Resistance, points 14
25 to 53

Alloy Composition

Aluminum (Al), % 79.6 to 89.5
0 to 0.050
Arsenic (As), % 0
0 to 0.020
Carbon (C), % 0
3.4 to 3.8
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 3.0 to 4.0
0 to 0.8
Iron (Fe), % 0 to 2.0
89.6 to 94
Magnesium (Mg), % 0 to 0.1
0 to 0.040
Manganese (Mn), % 0 to 0.5
0.3 to 0.4
Molybdenum (Mo), % 0
0 to 0.3
Nickel (Ni), % 0 to 0.5
0 to 2.0
Phosphorus (P), % 0
0 to 0.040
Selenium (Se), % 0
0 to 0.030
Silicon (Si), % 7.5 to 9.5
2.3 to 2.7
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.35
0 to 0.020
Vanadium (V), % 0
0 to 0.1
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0 to 0.5
0