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EN AC-45000 Aluminum vs. EN 1.3967 Stainless Steel

EN AC-45000 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-45000 aluminum and the bottom bar is EN 1.3967 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 77
200
Elastic (Young's, Tensile) Modulus, GPa 73
200
Elongation at Break, % 1.1
22
Fatigue Strength, MPa 75
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 110
350

Thermal Properties

Latent Heat of Fusion, J/g 470
300
Maximum Temperature: Mechanical, °C 180
1070
Melting Completion (Liquidus), °C 640
1430
Melting Onset (Solidus), °C 520
1380
Specific Heat Capacity, J/kg-K 870
470
Thermal Expansion, µm/m-K 22
16

Otherwise Unclassified Properties

Base Metal Price, % relative 11
25
Density, g/cm3 3.0
7.9
Embodied Carbon, kg CO2/kg material 7.7
4.8
Embodied Energy, MJ/kg 140
66
Embodied Water, L/kg 1070
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.7
130
Resilience: Unit (Modulus of Resilience), kJ/m3 80
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 47
25
Strength to Weight: Axial, points 17
24
Strength to Weight: Bending, points 24
22
Thermal Shock Resistance, points 8.0
15

Alloy Composition

Aluminum (Al), % 82.2 to 91.8
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0 to 0.15
20 to 21.5
Copper (Cu), % 3.0 to 5.0
0
Iron (Fe), % 0 to 1.0
50.3 to 57.8
Lead (Pb), % 0 to 0.3
0
Magnesium (Mg), % 0 to 0.55
0
Manganese (Mn), % 0.2 to 0.65
4.0 to 6.0
Molybdenum (Mo), % 0
3.0 to 3.5
Nickel (Ni), % 0 to 0.45
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), % 5.0 to 7.0
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 2.0
0
Residuals, % 0 to 0.35
0