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6025 Aluminum vs. ASTM A369 Grade FP2

6025 aluminum belongs to the aluminum alloys classification, while ASTM A369 grade FP2 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 FP2.

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
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 110 to 140
270
Tensile Strength: Ultimate (UTS), MPa 190 to 240
430
Tensile Strength: Yield (Proof), MPa 68 to 210
240

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 160
420
Melting Completion (Liquidus), °C 650
1470
Melting Onset (Solidus), °C 550
1430
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 130
49
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 110
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.6
Density, g/cm3 2.8
7.9
Embodied Carbon, kg CO2/kg material 8.5
1.6
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 1160
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.0 to 15
75
Resilience: Unit (Modulus of Resilience), kJ/m3 33 to 310
150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 19 to 24
15
Strength to Weight: Bending, points 26 to 31
16
Thermal Diffusivity, mm2/s 54
13
Thermal Shock Resistance, points 8.2 to 10
13

Alloy Composition

Aluminum (Al), % 91.7 to 96.3
0
Carbon (C), % 0
0.1 to 0.2
Chromium (Cr), % 0 to 0.2
0.5 to 0.81
Copper (Cu), % 0.2 to 0.7
0
Iron (Fe), % 0 to 0.7
97.4 to 98.6
Magnesium (Mg), % 2.1 to 3.0
0
Manganese (Mn), % 0.6 to 1.4
0.3 to 0.61
Molybdenum (Mo), % 0
0.44 to 0.65
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0.8 to 1.5
0.1 to 0.3
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.15
0