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EN AC-46400 Aluminum vs. R30556 Alloy

EN AC-46400 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 EN AC-46400 aluminum and the bottom bar is R30556 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
210
Elongation at Break, % 1.1 to 1.7
45
Fatigue Strength, MPa 75 to 85
320
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
81
Tensile Strength: Ultimate (UTS), MPa 170 to 310
780
Tensile Strength: Yield (Proof), MPa 110 to 270
350

Thermal Properties

Latent Heat of Fusion, J/g 520
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 610
1420
Melting Onset (Solidus), °C 570
1330
Specific Heat Capacity, J/kg-K 890
450
Thermal Conductivity, W/m-K 130
11
Thermal Expansion, µm/m-K 22
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 110
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
70
Density, g/cm3 2.7
8.4
Embodied Carbon, kg CO2/kg material 7.8
8.7
Embodied Energy, MJ/kg 150
130
Embodied Water, L/kg 1070
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.7 to 4.9
290
Resilience: Unit (Modulus of Resilience), kJ/m3 82 to 500
290
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 52
23
Strength to Weight: Axial, points 18 to 32
26
Strength to Weight: Bending, points 26 to 38
22
Thermal Diffusivity, mm2/s 55
2.9
Thermal Shock Resistance, points 7.8 to 14
18

Alloy Composition

Aluminum (Al), % 85.4 to 90.5
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), % 0.8 to 1.3
0
Iron (Fe), % 0 to 0.8
20.4 to 38.2
Lanthanum (La), % 0
0.0050 to 0.1
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 0.25 to 0.65
0
Manganese (Mn), % 0.15 to 0.55
0.5 to 2.0
Molybdenum (Mo), % 0
2.5 to 4.0
Nickel (Ni), % 0 to 0.2
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), % 8.3 to 9.7
0.2 to 0.8
Sulfur (S), % 0
0 to 0.015
Tantalum (Ta), % 0
0.3 to 1.3
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.2
0
Tungsten (W), % 0
2.0 to 3.5
Zinc (Zn), % 0 to 0.8
0.0010 to 0.1
Residuals, % 0 to 0.25
0