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EN AC-42200 Aluminum vs. AWS E90C-B9

EN AC-42200 aluminum belongs to the aluminum alloys classification, while AWS E90C-B9 belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, 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 EN AC-42200 aluminum and the bottom bar is AWS E90C-B9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 3.0 to 6.7
18
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
75
Tensile Strength: Ultimate (UTS), MPa 320
710
Tensile Strength: Yield (Proof), MPa 240 to 260
460

Thermal Properties

Latent Heat of Fusion, J/g 500
270
Melting Completion (Liquidus), °C 610
1460
Melting Onset (Solidus), °C 600
1410
Specific Heat Capacity, J/kg-K 910
470
Thermal Conductivity, W/m-K 150
25
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
7.0
Density, g/cm3 2.6
7.8
Embodied Carbon, kg CO2/kg material 8.0
2.6
Embodied Energy, MJ/kg 150
37
Embodied Water, L/kg 1110
91

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.0 to 20
110
Resilience: Unit (Modulus of Resilience), kJ/m3 410 to 490
550
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
25
Strength to Weight: Axial, points 34 to 35
25
Strength to Weight: Bending, points 40 to 41
23
Thermal Diffusivity, mm2/s 66
6.9
Thermal Shock Resistance, points 15
20

Alloy Composition

Aluminum (Al), % 91 to 93.1
0 to 0.040
Carbon (C), % 0
0.080 to 0.13
Chromium (Cr), % 0
8.0 to 10.5
Copper (Cu), % 0 to 0.050
0 to 0.2
Iron (Fe), % 0 to 0.19
84.4 to 90.9
Magnesium (Mg), % 0.45 to 0.7
0
Manganese (Mn), % 0 to 0.1
0 to 1.2
Molybdenum (Mo), % 0
0.85 to 1.2
Nickel (Ni), % 0
0 to 0.8
Niobium (Nb), % 0
0.020 to 0.1
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 6.5 to 7.5
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.25
0
Vanadium (V), % 0
0.15 to 0.3
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0
0 to 0.5