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EN AC-41000 Aluminum vs. S24000 Stainless Steel

EN AC-41000 aluminum belongs to the aluminum alloys classification, while S24000 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, 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-41000 aluminum and the bottom bar is S24000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 57 to 97
210
Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 4.5
39
Fatigue Strength, MPa 58 to 71
370
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
77
Tensile Strength: Ultimate (UTS), MPa 170 to 280
770
Tensile Strength: Yield (Proof), MPa 80 to 210
430

Thermal Properties

Latent Heat of Fusion, J/g 420
280
Maximum Temperature: Mechanical, °C 170
910
Melting Completion (Liquidus), °C 640
1390
Melting Onset (Solidus), °C 630
1350
Specific Heat Capacity, J/kg-K 900
480
Thermal Expansion, µm/m-K 23
17

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
7.6
Embodied Carbon, kg CO2/kg material 8.2
2.7
Embodied Energy, MJ/kg 150
39
Embodied Water, L/kg 1160
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.4 to 11
260
Resilience: Unit (Modulus of Resilience), kJ/m3 46 to 300
470
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 18 to 29
28
Strength to Weight: Bending, points 26 to 35
24
Thermal Shock Resistance, points 7.8 to 13
16

Alloy Composition

Aluminum (Al), % 95.2 to 97.6
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.6
61.5 to 69
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0.45 to 0.65
0
Manganese (Mn), % 0.3 to 0.5
11.5 to 14.5
Nickel (Ni), % 0 to 0.050
2.3 to 3.7
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 1.6 to 2.4
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0.050 to 0.2
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0