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5050 Aluminum vs. ASTM A369 Grade FP9

5050 aluminum belongs to the aluminum alloys classification, while ASTM A369 grade FP9 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 5050 aluminum and the bottom bar is ASTM A369 grade FP9.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 36 to 68
140
Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 1.7 to 22
20
Fatigue Strength, MPa 45 to 100
160
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
75
Shear Strength, MPa 91 to 140
300
Tensile Strength: Ultimate (UTS), MPa 140 to 250
470
Tensile Strength: Yield (Proof), MPa 50 to 210
240

Thermal Properties

Latent Heat of Fusion, J/g 400
270
Maximum Temperature: Mechanical, °C 180
600
Melting Completion (Liquidus), °C 650
1450
Melting Onset (Solidus), °C 630
1410
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 190
26
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 50
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 170
10

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
6.5
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.4
2.0
Embodied Energy, MJ/kg 150
28
Embodied Water, L/kg 1190
87

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.1 to 24
80
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 330
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 15 to 26
17
Strength to Weight: Bending, points 22 to 33
17
Thermal Diffusivity, mm2/s 79
6.9
Thermal Shock Resistance, points 6.3 to 11
13

Alloy Composition

Aluminum (Al), % 96.3 to 98.9
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0 to 0.1
8.0 to 10
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 0 to 0.7
87.1 to 90.3
Magnesium (Mg), % 1.1 to 1.8
0
Manganese (Mn), % 0 to 0.1
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.4
0.5 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0