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EN AC-48000 Aluminum vs. S45500 Stainless Steel

EN AC-48000 aluminum belongs to the aluminum alloys classification, while S45500 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, 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-48000 aluminum and the bottom bar is S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 110
280 to 500
Elastic (Young's, Tensile) Modulus, GPa 73
190
Elongation at Break, % 1.0
3.4 to 11
Fatigue Strength, MPa 85 to 86
570 to 890
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
75
Tensile Strength: Ultimate (UTS), MPa 220 to 310
1370 to 1850
Tensile Strength: Yield (Proof), MPa 210 to 270
1240 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 570
270
Maximum Temperature: Mechanical, °C 190
760
Melting Completion (Liquidus), °C 600
1440
Melting Onset (Solidus), °C 560
1400
Specific Heat Capacity, J/kg-K 890
470
Thermal Expansion, µm/m-K 21
11

Otherwise Unclassified Properties

Base Metal Price, % relative 10
17
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 7.9
3.8
Embodied Energy, MJ/kg 140
57
Embodied Water, L/kg 1030
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.2 to 3.0
45 to 190
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
24
Strength to Weight: Axial, points 23 to 33
48 to 65
Strength to Weight: Bending, points 31 to 39
35 to 42
Thermal Shock Resistance, points 10 to 15
48 to 64

Alloy Composition

Aluminum (Al), % 80.4 to 87.2
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
11 to 12.5
Copper (Cu), % 0.8 to 1.5
1.5 to 2.5
Iron (Fe), % 0 to 0.7
71.5 to 79.2
Magnesium (Mg), % 0.8 to 1.5
0
Manganese (Mn), % 0 to 0.35
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0.7 to 1.3
7.5 to 9.5
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 10.5 to 13.5
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0 to 0.25
0.8 to 1.4
Zinc (Zn), % 0 to 0.35
0
Residuals, % 0 to 0.15
0