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ASTM A356 Grade 10 vs. 7108 Aluminum

ASTM A356 grade 10 belongs to the iron alloys classification, while 7108 aluminum belongs to the aluminum 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 ASTM A356 grade 10 and the bottom bar is 7108 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
69
Elongation at Break, % 23
11
Fatigue Strength, MPa 300
120
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 74
26
Tensile Strength: Ultimate (UTS), MPa 670
350
Tensile Strength: Yield (Proof), MPa 430
290

Thermal Properties

Latent Heat of Fusion, J/g 260
380
Maximum Temperature: Mechanical, °C 460
210
Melting Completion (Liquidus), °C 1470
630
Melting Onset (Solidus), °C 1430
530
Specific Heat Capacity, J/kg-K 470
880
Thermal Conductivity, W/m-K 39
150
Thermal Expansion, µm/m-K 13
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
39
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
120

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
9.5
Density, g/cm3 7.9
2.9
Embodied Carbon, kg CO2/kg material 1.8
8.3
Embodied Energy, MJ/kg 23
150
Embodied Water, L/kg 59
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
38
Resilience: Unit (Modulus of Resilience), kJ/m3 480
620
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
47
Strength to Weight: Axial, points 24
34
Strength to Weight: Bending, points 22
38
Thermal Diffusivity, mm2/s 11
59
Thermal Shock Resistance, points 19
16

Alloy Composition

Aluminum (Al), % 0
92.4 to 94.7
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 2.0 to 2.8
0
Copper (Cu), % 0
0 to 0.050
Iron (Fe), % 94.4 to 96.6
0 to 0.1
Magnesium (Mg), % 0
0.7 to 1.4
Manganese (Mn), % 0.5 to 0.8
0 to 0.050
Molybdenum (Mo), % 0.9 to 1.2
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.6
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.050
Zinc (Zn), % 0
4.5 to 5.5
Zirconium (Zr), % 0
0.12 to 0.25
Residuals, % 0
0 to 0.15