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6070 Aluminum vs. ASTM A369 Grade FP11

6070 aluminum belongs to the aluminum alloys classification, while ASTM A369 grade FP11 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 6070 aluminum and the bottom bar is ASTM A369 grade FP11.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 5.6 to 8.6
20
Fatigue Strength, MPa 95 to 130
160
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 220 to 240
300
Tensile Strength: Ultimate (UTS), MPa 370 to 380
470
Tensile Strength: Yield (Proof), MPa 350
240

Thermal Properties

Latent Heat of Fusion, J/g 410
260
Maximum Temperature: Mechanical, °C 160
430
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 570
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 160
40
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.9
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.3
1.6
Embodied Energy, MJ/kg 150
21
Embodied Water, L/kg 1170
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 32
80
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 900
150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 38
17
Strength to Weight: Bending, points 42 to 43
17
Thermal Diffusivity, mm2/s 65
11
Thermal Shock Resistance, points 16 to 17
14

Alloy Composition

Aluminum (Al), % 94.6 to 98
0
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0 to 0.1
1.0 to 1.5
Copper (Cu), % 0.15 to 0.4
0
Iron (Fe), % 0 to 0.5
96.1 to 97.7
Magnesium (Mg), % 0.5 to 1.2
0
Manganese (Mn), % 0.4 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.44 to 0.65
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 1.0 to 1.7
0.5 to 1.0
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0