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713.0 Aluminum vs. ASTM A369 Grade FP91

713.0 aluminum belongs to the aluminum alloys classification, while ASTM A369 grade FP91 belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, 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 713.0 aluminum and the bottom bar is ASTM A369 grade FP91.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 74 to 75
200
Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 3.9 to 4.3
19
Fatigue Strength, MPa 63 to 120
320
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 27
75
Shear Strength, MPa 180
410
Tensile Strength: Ultimate (UTS), MPa 240 to 260
670
Tensile Strength: Yield (Proof), MPa 170
460

Thermal Properties

Latent Heat of Fusion, J/g 370
270
Maximum Temperature: Mechanical, °C 180
600
Melting Completion (Liquidus), °C 630
1460
Melting Onset (Solidus), °C 610
1420
Specific Heat Capacity, J/kg-K 860
470
Thermal Conductivity, W/m-K 150
26
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 100
10

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
7.0
Density, g/cm3 3.1
7.8
Embodied Carbon, kg CO2/kg material 7.8
2.6
Embodied Energy, MJ/kg 150
37
Embodied Water, L/kg 1110
88

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.7 to 9.9
110
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 220
560
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
25
Strength to Weight: Axial, points 22 to 23
24
Strength to Weight: Bending, points 28 to 29
22
Thermal Diffusivity, mm2/s 57
6.9
Thermal Shock Resistance, points 10 to 11
18

Alloy Composition

Aluminum (Al), % 87.6 to 92.4
0 to 0.020
Carbon (C), % 0
0.080 to 0.12
Chromium (Cr), % 0 to 0.35
8.0 to 9.5
Copper (Cu), % 0.4 to 1.0
0
Iron (Fe), % 0 to 1.1
87.3 to 90.3
Magnesium (Mg), % 0.2 to 0.5
0
Manganese (Mn), % 0 to 0.6
0.3 to 0.6
Molybdenum (Mo), % 0
0.85 to 1.1
Nickel (Ni), % 0 to 0.15
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.25
0.2 to 0.5
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.25
0 to 0.010
Vanadium (V), % 0
0.18 to 0.25
Zinc (Zn), % 7.0 to 8.0
0
Zirconium (Zr), % 0
0 to 0.010
Residuals, % 0 to 0.25
0