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1435 Aluminum vs. ASTM A369 Grade FP21

1435 aluminum belongs to the aluminum alloys classification, while ASTM A369 grade FP21 belongs to the iron alloys. There are 30 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 1435 aluminum and the bottom bar is ASTM A369 grade FP21.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 4.1 to 32
20
Fatigue Strength, MPa 27 to 49
160
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
74
Shear Strength, MPa 54 to 87
300
Tensile Strength: Ultimate (UTS), MPa 81 to 150
470
Tensile Strength: Yield (Proof), MPa 23 to 130
240

Thermal Properties

Latent Heat of Fusion, J/g 400
260
Maximum Temperature: Mechanical, °C 170
470
Melting Completion (Liquidus), °C 650
1470
Melting Onset (Solidus), °C 640
1430
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 230
41
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 200
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
4.0
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.2
1.8
Embodied Energy, MJ/kg 150
23
Embodied Water, L/kg 1190
61

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.0 to 20
80
Resilience: Unit (Modulus of Resilience), kJ/m3 3.8 to 110
150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 8.3 to 15
17
Strength to Weight: Bending, points 15 to 23
17
Thermal Diffusivity, mm2/s 93
11
Thermal Shock Resistance, points 3.6 to 6.7
14

Alloy Composition

Aluminum (Al), % 99.35 to 99.7
0
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
2.7 to 3.4
Copper (Cu), % 0 to 0.020
0
Iron (Fe), % 0.3 to 0.5
94.3 to 96.2
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
0.3 to 0.6
Molybdenum (Mo), % 0
0.8 to 1.1
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.15
0 to 0.5
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.030
0
Zinc (Zn), % 0 to 0.1
0