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R30556 Alloy vs. 5457 Aluminum

R30556 alloy belongs to the iron alloys classification, while 5457 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 R30556 alloy and the bottom bar is 5457 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
68
Elongation at Break, % 45
6.0 to 22
Fatigue Strength, MPa 320
55 to 98
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 81
26
Shear Strength, MPa 550
85 to 130
Tensile Strength: Ultimate (UTS), MPa 780
130 to 210
Tensile Strength: Yield (Proof), MPa 350
50 to 190

Thermal Properties

Latent Heat of Fusion, J/g 300
400
Maximum Temperature: Mechanical, °C 1100
180
Melting Completion (Liquidus), °C 1420
660
Melting Onset (Solidus), °C 1330
630
Specific Heat Capacity, J/kg-K 450
900
Thermal Conductivity, W/m-K 11
180
Thermal Expansion, µm/m-K 15
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
46
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
150

Otherwise Unclassified Properties

Base Metal Price, % relative 70
9.5
Density, g/cm3 8.4
2.7
Embodied Carbon, kg CO2/kg material 8.7
8.4
Embodied Energy, MJ/kg 130
160
Embodied Water, L/kg 300
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
12 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 290
18 to 250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
50
Strength to Weight: Axial, points 26
13 to 21
Strength to Weight: Bending, points 22
21 to 28
Thermal Diffusivity, mm2/s 2.9
72
Thermal Shock Resistance, points 18
5.7 to 9.0

Alloy Composition

Aluminum (Al), % 0.1 to 0.5
97.8 to 99.05
Boron (B), % 0 to 0.020
0
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 21 to 23
0
Cobalt (Co), % 16 to 21
0
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 20.4 to 38.2
0 to 0.1
Lanthanum (La), % 0.0050 to 0.1
0
Magnesium (Mg), % 0
0.8 to 1.2
Manganese (Mn), % 0.5 to 2.0
0.15 to 0.45
Molybdenum (Mo), % 2.5 to 4.0
0
Nickel (Ni), % 19 to 22.5
0
Niobium (Nb), % 0 to 0.3
0
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0.2 to 0.8
0 to 0.080
Sulfur (S), % 0 to 0.015
0
Tantalum (Ta), % 0.3 to 1.3
0
Tungsten (W), % 2.0 to 3.5
0
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0.0010 to 0.1
0 to 0.050
Residuals, % 0
0 to 0.1