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EN AC-44400 Aluminum vs. AWS BNi-5a

EN AC-44400 aluminum belongs to the aluminum alloys classification, while AWS BNi-5a belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, 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-44400 aluminum and the bottom bar is AWS BNi-5a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
72
Tensile Strength: Ultimate (UTS), MPa 210
480

Thermal Properties

Latent Heat of Fusion, J/g 540
420
Melting Completion (Liquidus), °C 600
1150
Melting Onset (Solidus), °C 590
1070
Specific Heat Capacity, J/kg-K 900
500
Thermal Expansion, µm/m-K 22
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
55
Density, g/cm3 2.6
7.9
Embodied Carbon, kg CO2/kg material 7.8
9.0
Embodied Energy, MJ/kg 150
130
Embodied Water, L/kg 1080
260

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 54
24
Strength to Weight: Axial, points 23
17
Strength to Weight: Bending, points 31
17
Thermal Shock Resistance, points 9.8
15

Alloy Composition

Aluminum (Al), % 87.1 to 92
0 to 0.050
Boron (B), % 0
1.0 to 1.5
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
18.5 to 19.5
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.65
0 to 0.5
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.050
70.1 to 73.5
Phosphorus (P), % 0
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 8.0 to 11
7.0 to 7.5
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.15
0 to 0.050
Zinc (Zn), % 0 to 0.15
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5