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6025 Aluminum vs. ASTM A369 Grade FP9

6025 aluminum belongs to the aluminum alloys classification, while ASTM A369 grade FP9 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 6025 aluminum and the bottom bar is ASTM A369 grade FP9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 2.8 to 10
20
Fatigue Strength, MPa 67 to 110
160
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
75
Shear Strength, MPa 110 to 140
300
Tensile Strength: Ultimate (UTS), MPa 190 to 240
470
Tensile Strength: Yield (Proof), MPa 68 to 210
240

Thermal Properties

Latent Heat of Fusion, J/g 410
270
Maximum Temperature: Mechanical, °C 160
600
Melting Completion (Liquidus), °C 650
1450
Melting Onset (Solidus), °C 550
1410
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 130
26
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 110
10

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
6.5
Density, g/cm3 2.8
7.8
Embodied Carbon, kg CO2/kg material 8.5
2.0
Embodied Energy, MJ/kg 150
28
Embodied Water, L/kg 1160
87

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.0 to 15
80
Resilience: Unit (Modulus of Resilience), kJ/m3 33 to 310
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 19 to 24
17
Strength to Weight: Bending, points 26 to 31
17
Thermal Diffusivity, mm2/s 54
6.9
Thermal Shock Resistance, points 8.2 to 10
13

Alloy Composition

Aluminum (Al), % 91.7 to 96.3
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0 to 0.2
8.0 to 10
Copper (Cu), % 0.2 to 0.7
0
Iron (Fe), % 0 to 0.7
87.1 to 90.3
Magnesium (Mg), % 2.1 to 3.0
0
Manganese (Mn), % 0.6 to 1.4
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.8 to 1.5
0.5 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.15
0