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ASTM A369 Grade FP22 vs. 7022 Aluminum

ASTM A369 grade FP22 belongs to the iron alloys classification, while 7022 aluminum belongs to the aluminum 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 ASTM A369 grade FP22 and the bottom bar is 7022 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
70
Elongation at Break, % 20
6.3 to 8.0
Fatigue Strength, MPa 160
140 to 170
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 74
26
Shear Strength, MPa 300
290 to 320
Tensile Strength: Ultimate (UTS), MPa 470
490 to 540
Tensile Strength: Yield (Proof), MPa 240
390 to 460

Thermal Properties

Latent Heat of Fusion, J/g 260
380
Maximum Temperature: Mechanical, °C 460
200
Melting Completion (Liquidus), °C 1470
640
Melting Onset (Solidus), °C 1430
480
Specific Heat Capacity, J/kg-K 470
870
Thermal Conductivity, W/m-K 39
140
Thermal Expansion, µm/m-K 13
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
21
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
65

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
10
Density, g/cm3 7.9
2.9
Embodied Carbon, kg CO2/kg material 1.7
8.5
Embodied Energy, MJ/kg 23
150
Embodied Water, L/kg 58
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
29 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 150
1100 to 1500
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
47
Strength to Weight: Axial, points 17
47 to 51
Strength to Weight: Bending, points 17
47 to 50
Thermal Diffusivity, mm2/s 11
54
Thermal Shock Resistance, points 14
21 to 23

Alloy Composition

Aluminum (Al), % 0
87.9 to 92.4
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 1.9 to 2.6
0.1 to 0.3
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 95 to 96.9
0 to 0.5
Magnesium (Mg), % 0
2.6 to 3.7
Manganese (Mn), % 0.3 to 0.6
0.1 to 0.4
Molybdenum (Mo), % 0.87 to 1.1
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
4.3 to 5.2
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.15