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238.0 Aluminum vs. 4147 Aluminum

Both 238.0 aluminum and 4147 aluminum are aluminum alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 88% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 238.0 aluminum and the bottom bar is 4147 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
72
Elongation at Break, % 1.5
3.3
Fatigue Strength, MPa 110
42
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
27
Tensile Strength: Ultimate (UTS), MPa 210
110
Tensile Strength: Yield (Proof), MPa 170
59

Thermal Properties

Latent Heat of Fusion, J/g 430
570
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 600
580
Melting Onset (Solidus), °C 510
560
Specific Heat Capacity, J/kg-K 840
900
Thermal Conductivity, W/m-K 100
130
Thermal Expansion, µm/m-K 21
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
33
Electrical Conductivity: Equal Weight (Specific), % IACS 67
120

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 3.4
2.5
Embodied Carbon, kg CO2/kg material 7.4
7.7
Embodied Energy, MJ/kg 140
140
Embodied Water, L/kg 1040
1050

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.9
3.1
Resilience: Unit (Modulus of Resilience), kJ/m3 180
24
Stiffness to Weight: Axial, points 12
16
Stiffness to Weight: Bending, points 42
55
Strength to Weight: Axial, points 17
12
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 37
58
Thermal Shock Resistance, points 9.1
5.2

Alloy Composition

Aluminum (Al), % 81.9 to 84.9
85 to 88.9
Beryllium (Be), % 0
0 to 0.00030
Copper (Cu), % 9.5 to 10.5
0 to 0.25
Iron (Fe), % 1.0 to 1.5
0 to 0.8
Magnesium (Mg), % 0 to 0.25
0.1 to 0.5
Manganese (Mn), % 0
0 to 0.1
Silicon (Si), % 3.6 to 4.4
11 to 13
Zinc (Zn), % 1.0 to 1.5
0 to 0.2
Residuals, % 0
0 to 0.15