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ASTM A369 Grade FP11 vs. 8079 Aluminum

ASTM A369 grade FP11 belongs to the iron alloys classification, while 8079 aluminum belongs to the aluminum alloys. There are 29 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 ASTM A369 grade FP11 and the bottom bar is 8079 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
69
Elongation at Break, % 20
2.2
Fatigue Strength, MPa 160
56
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Tensile Strength: Ultimate (UTS), MPa 470
150
Tensile Strength: Yield (Proof), MPa 240
120

Thermal Properties

Latent Heat of Fusion, J/g 260
400
Maximum Temperature: Mechanical, °C 430
170
Melting Completion (Liquidus), °C 1460
650
Melting Onset (Solidus), °C 1420
640
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 40
230
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
58
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
190

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
9.0
Density, g/cm3 7.8
2.8
Embodied Carbon, kg CO2/kg material 1.6
8.2
Embodied Energy, MJ/kg 21
150
Embodied Water, L/kg 52
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
3.1
Resilience: Unit (Modulus of Resilience), kJ/m3 150
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 17
15
Strength to Weight: Bending, points 17
22
Thermal Diffusivity, mm2/s 11
92
Thermal Shock Resistance, points 14
6.4

Alloy Composition

Aluminum (Al), % 0
98.1 to 99.3
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 1.0 to 1.5
0
Copper (Cu), % 0
0 to 0.050
Iron (Fe), % 96.1 to 97.7
0.7 to 1.3
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.44 to 0.65
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.5 to 1.0
0.050 to 0.3
Sulfur (S), % 0 to 0.025
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15