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5050 Aluminum vs. ASTM A369 Grade FP12

5050 aluminum belongs to the aluminum alloys classification, while ASTM A369 grade FP12 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 FP12.

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
170
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 91 to 140
300
Tensile Strength: Ultimate (UTS), MPa 140 to 250
470
Tensile Strength: Yield (Proof), MPa 50 to 210
250

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 180
430
Melting Completion (Liquidus), °C 650
1470
Melting Onset (Solidus), °C 630
1430
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 190
45
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 50
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 170
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.8
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.4
1.6
Embodied Energy, MJ/kg 150
21
Embodied Water, L/kg 1190
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.1 to 24
81
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 330
160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 15 to 26
17
Strength to Weight: Bending, points 22 to 33
17
Thermal Diffusivity, mm2/s 79
12
Thermal Shock Resistance, points 6.3 to 11
14

Alloy Composition

Aluminum (Al), % 96.3 to 98.9
0
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0 to 0.1
0.8 to 1.3
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 0 to 0.7
96.8 to 98.4
Magnesium (Mg), % 1.1 to 1.8
0
Manganese (Mn), % 0 to 0.1
0.3 to 0.61
Molybdenum (Mo), % 0
0.44 to 0.65
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0
0 to 0.025
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0