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4145 Aluminum vs. AWS E330H

4145 aluminum belongs to the aluminum alloys classification, while AWS E330H belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 4145 aluminum and the bottom bar is AWS E330H.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
190
Elongation at Break, % 2.2
11
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
76
Tensile Strength: Ultimate (UTS), MPa 120
690

Thermal Properties

Latent Heat of Fusion, J/g 540
290
Melting Completion (Liquidus), °C 590
1400
Melting Onset (Solidus), °C 520
1350
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 100
12
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 84
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 10
30
Density, g/cm3 2.8
8.1
Embodied Carbon, kg CO2/kg material 7.6
5.4
Embodied Energy, MJ/kg 140
76
Embodied Water, L/kg 1040
180

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 12
24
Strength to Weight: Bending, points 19
22
Thermal Diffusivity, mm2/s 42
3.2
Thermal Shock Resistance, points 5.5
19

Alloy Composition


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Aluminum (Al), % 83 to 87.4
0
Carbon (C), % 0
0.35 to 0.45
Chromium (Cr), % 0 to 0.15
14 to 17
Copper (Cu), % 3.3 to 4.7
0 to 0.75
Iron (Fe), % 0 to 0.8
40.5 to 51.7
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0 to 0.15
1.0 to 2.5
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0
33 to 37
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 9.3 to 10.7
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0