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EN AC-44000 Aluminum vs. EN 1.3967 Stainless Steel

EN AC-44000 aluminum belongs to the aluminum alloys classification, while EN 1.3967 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, 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-44000 aluminum and the bottom bar is EN 1.3967 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 51
200
Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 7.3
22
Fatigue Strength, MPa 64
240
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
79
Tensile Strength: Ultimate (UTS), MPa 180
690
Tensile Strength: Yield (Proof), MPa 86
350

Thermal Properties

Latent Heat of Fusion, J/g 560
300
Maximum Temperature: Mechanical, °C 170
1070
Melting Completion (Liquidus), °C 590
1430
Melting Onset (Solidus), °C 590
1380
Specific Heat Capacity, J/kg-K 910
470
Thermal Expansion, µm/m-K 21
16

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.5
7.9
Embodied Carbon, kg CO2/kg material 7.8
4.8
Embodied Energy, MJ/kg 150
66
Embodied Water, L/kg 1070
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
130
Resilience: Unit (Modulus of Resilience), kJ/m3 51
310
Stiffness to Weight: Axial, points 16
14
Stiffness to Weight: Bending, points 55
25
Strength to Weight: Axial, points 20
24
Strength to Weight: Bending, points 28
22
Thermal Shock Resistance, points 8.4
15

Alloy Composition


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Aluminum (Al), % 87.1 to 90
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
20 to 21.5
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.19
50.3 to 57.8
Magnesium (Mg), % 0 to 0.45
0
Manganese (Mn), % 0 to 0.1
4.0 to 6.0
Molybdenum (Mo), % 0
3.0 to 3.5
Nickel (Ni), % 0
15 to 17
Niobium (Nb), % 0
0 to 0.25
Nitrogen (N), % 0
0.2 to 0.35
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 10 to 11.8
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0