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4007-O Aluminum vs. Annealed AISI W1

4007-O aluminum belongs to the aluminum alloys classification, while annealed AISI W1 belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, 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 4007-O aluminum and the bottom bar is annealed AISI W1.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 32
180
Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 23
23
Fatigue Strength, MPa 56
240
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
72
Shear Strength, MPa 80
380
Tensile Strength: Ultimate (UTS), MPa 130
590
Tensile Strength: Yield (Proof), MPa 50
330

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Melting Completion (Liquidus), °C 650
1450
Melting Onset (Solidus), °C 590
1410
Specific Heat Capacity, J/kg-K 890
470
Thermal Conductivity, W/m-K 170
48
Thermal Expansion, µm/m-K 23
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.2
Density, g/cm3 2.8
7.8
Embodied Carbon, kg CO2/kg material 8.1
1.6
Embodied Energy, MJ/kg 150
21
Embodied Water, L/kg 1160
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
120
Resilience: Unit (Modulus of Resilience), kJ/m3 18
290
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
24
Strength to Weight: Axial, points 12
21
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 67
13
Thermal Shock Resistance, points 5.5
22

Alloy Composition

Aluminum (Al), % 94.1 to 97.6
0
Carbon (C), % 0
0.7 to 1.5
Chromium (Cr), % 0.050 to 0.25
0 to 0.15
Cobalt (Co), % 0 to 0.050
0
Copper (Cu), % 0 to 0.2
0 to 0.2
Iron (Fe), % 0.4 to 1.0
96.4 to 98.9
Magnesium (Mg), % 0 to 0.2
0
Manganese (Mn), % 0.8 to 1.5
0.35 to 0.73
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0.15 to 0.7
0 to 0.2
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 1.0 to 1.7
0.1 to 0.4
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.1
0
Tungsten (W), % 0
0 to 0.15
Vanadium (V), % 0
0 to 0.1
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0