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A384.0 Aluminum vs. R30556 Alloy

A384.0 aluminum belongs to the aluminum alloys classification, while R30556 alloy 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 A384.0 aluminum and the bottom bar is R30556 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 74
210
Elongation at Break, % 2.5
45
Fatigue Strength, MPa 140
320
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
81
Shear Strength, MPa 200
550
Tensile Strength: Ultimate (UTS), MPa 330
780
Tensile Strength: Yield (Proof), MPa 170
350

Thermal Properties

Latent Heat of Fusion, J/g 550
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 610
1420
Melting Onset (Solidus), °C 510
1330
Specific Heat Capacity, J/kg-K 880
450
Thermal Conductivity, W/m-K 96
11
Thermal Expansion, µm/m-K 21
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 73
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
70
Density, g/cm3 2.8
8.4
Embodied Carbon, kg CO2/kg material 7.5
8.7
Embodied Energy, MJ/kg 140
130
Embodied Water, L/kg 1010
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
290
Resilience: Unit (Modulus of Resilience), kJ/m3 180
290
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 50
23
Strength to Weight: Axial, points 32
26
Strength to Weight: Bending, points 38
22
Thermal Diffusivity, mm2/s 39
2.9
Thermal Shock Resistance, points 15
18

Alloy Composition

Aluminum (Al), % 79.3 to 86.5
0.1 to 0.5
Boron (B), % 0
0 to 0.020
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
21 to 23
Cobalt (Co), % 0
16 to 21
Copper (Cu), % 3.0 to 4.5
0
Iron (Fe), % 0 to 1.3
20.4 to 38.2
Lanthanum (La), % 0
0.0050 to 0.1
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0.5 to 2.0
Molybdenum (Mo), % 0
2.5 to 4.0
Nickel (Ni), % 0 to 0.5
19 to 22.5
Niobium (Nb), % 0
0 to 0.3
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 10.5 to 12
0.2 to 0.8
Sulfur (S), % 0
0 to 0.015
Tantalum (Ta), % 0
0.3 to 1.3
Tin (Sn), % 0 to 0.35
0
Tungsten (W), % 0
2.0 to 3.5
Zinc (Zn), % 0 to 1.0
0.0010 to 0.1
Residuals, % 0 to 0.5
0