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A390.0 Aluminum vs. R30556 Alloy

A390.0 aluminum belongs to the aluminum alloys classification, while R30556 alloy belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 A390.0 aluminum and the bottom bar is R30556 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
210
Elongation at Break, % 0.87 to 0.91
45
Fatigue Strength, MPa 70 to 100
320
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
81
Tensile Strength: Ultimate (UTS), MPa 190 to 290
780
Tensile Strength: Yield (Proof), MPa 190 to 290
350

Thermal Properties

Latent Heat of Fusion, J/g 640
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 580
1420
Melting Onset (Solidus), °C 480
1330
Specific Heat Capacity, J/kg-K 880
450
Thermal Conductivity, W/m-K 130
11
Thermal Expansion, µm/m-K 20
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 67
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
70
Density, g/cm3 2.7
8.4
Embodied Carbon, kg CO2/kg material 7.3
8.7
Embodied Energy, MJ/kg 140
130
Embodied Water, L/kg 950
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.6 to 2.6
290
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 580
290
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 52
23
Strength to Weight: Axial, points 19 to 30
26
Strength to Weight: Bending, points 27 to 36
22
Thermal Diffusivity, mm2/s 56
2.9
Thermal Shock Resistance, points 9.0 to 14
18

Alloy Composition

Aluminum (Al), % 75.3 to 79.6
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), % 4.0 to 5.0
0
Iron (Fe), % 0 to 0.5
20.4 to 38.2
Lanthanum (La), % 0
0.0050 to 0.1
Magnesium (Mg), % 0.45 to 0.65
0
Manganese (Mn), % 0 to 0.1
0.5 to 2.0
Molybdenum (Mo), % 0
2.5 to 4.0
Nickel (Ni), % 0
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), % 16 to 18
0.2 to 0.8
Sulfur (S), % 0
0 to 0.015
Tantalum (Ta), % 0
0.3 to 1.3
Titanium (Ti), % 0 to 0.2
0
Tungsten (W), % 0
2.0 to 3.5
Zinc (Zn), % 0 to 0.1
0.0010 to 0.1
Residuals, % 0 to 0.2
0