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R30556 Alloy vs. 356.0 Aluminum

R30556 alloy belongs to the iron alloys classification, while 356.0 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, 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 356.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
70
Elongation at Break, % 45
2.0 to 3.8
Fatigue Strength, MPa 320
55 to 75
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 81
27
Shear Strength, MPa 550
140 to 190
Tensile Strength: Ultimate (UTS), MPa 780
160 to 240
Tensile Strength: Yield (Proof), MPa 350
100 to 190

Thermal Properties

Latent Heat of Fusion, J/g 300
500
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1420
620
Melting Onset (Solidus), °C 1330
570
Specific Heat Capacity, J/kg-K 450
900
Thermal Conductivity, W/m-K 11
150 to 170
Thermal Expansion, µm/m-K 15
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
40 to 43
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
140 to 150

Otherwise Unclassified Properties

Base Metal Price, % relative 70
9.5
Density, g/cm3 8.4
2.6
Embodied Carbon, kg CO2/kg material 8.7
8.0
Embodied Energy, MJ/kg 130
150
Embodied Water, L/kg 300
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
3.2 to 8.2
Resilience: Unit (Modulus of Resilience), kJ/m3 290
70 to 250
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 23
53
Strength to Weight: Axial, points 26
17 to 26
Strength to Weight: Bending, points 22
25 to 33
Thermal Diffusivity, mm2/s 2.9
64 to 71
Thermal Shock Resistance, points 18
7.6 to 11

Alloy Composition

Aluminum (Al), % 0.1 to 0.5
90.1 to 93.3
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 0.25
Iron (Fe), % 20.4 to 38.2
0 to 0.6
Lanthanum (La), % 0.0050 to 0.1
0
Magnesium (Mg), % 0
0.2 to 0.45
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
6.5 to 7.5
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 0.35
Residuals, % 0
0 to 0.15