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R30556 Alloy vs. 511.0 Aluminum

R30556 alloy belongs to the iron alloys classification, while 511.0 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 511.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
68
Elongation at Break, % 45
3.0
Fatigue Strength, MPa 320
55
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 81
25
Shear Strength, MPa 550
120
Tensile Strength: Ultimate (UTS), MPa 780
150
Tensile Strength: Yield (Proof), MPa 350
83

Thermal Properties

Latent Heat of Fusion, J/g 300
400
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1420
640
Melting Onset (Solidus), °C 1330
590
Specific Heat Capacity, J/kg-K 450
900
Thermal Conductivity, W/m-K 11
140
Thermal Expansion, µm/m-K 15
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
36
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
120

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
8.8
Embodied Energy, MJ/kg 130
150
Embodied Water, L/kg 300
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
3.7
Resilience: Unit (Modulus of Resilience), kJ/m3 290
51
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
51
Strength to Weight: Axial, points 26
15
Strength to Weight: Bending, points 22
23
Thermal Diffusivity, mm2/s 2.9
59
Thermal Shock Resistance, points 18
6.5

Alloy Composition

Aluminum (Al), % 0.1 to 0.5
93.3 to 96.2
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 0.15
Iron (Fe), % 20.4 to 38.2
0 to 0.5
Lanthanum (La), % 0.0050 to 0.1
0
Magnesium (Mg), % 0
3.5 to 4.5
Manganese (Mn), % 0.5 to 2.0
0 to 0.35
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
0.3 to 0.7
Sulfur (S), % 0 to 0.015
0
Tantalum (Ta), % 0.3 to 1.3
0
Titanium (Ti), % 0
0 to 0.25
Tungsten (W), % 2.0 to 3.5
0
Zinc (Zn), % 0.0010 to 0.1
0 to 0.15
Residuals, % 0
0 to 0.15