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EN AC-44000 Aluminum vs. S46910 Stainless Steel

EN AC-44000 aluminum belongs to the aluminum alloys classification, while S46910 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, 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 S46910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 51
270 to 630
Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 7.3
2.2 to 11
Fatigue Strength, MPa 64
250 to 1020
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
76
Tensile Strength: Ultimate (UTS), MPa 180
680 to 2470
Tensile Strength: Yield (Proof), MPa 86
450 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 560
280
Maximum Temperature: Mechanical, °C 170
810
Melting Completion (Liquidus), °C 590
1460
Melting Onset (Solidus), °C 590
1420
Specific Heat Capacity, J/kg-K 910
470
Thermal Expansion, µm/m-K 21
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
18
Density, g/cm3 2.5
7.9
Embodied Carbon, kg CO2/kg material 7.8
4.1
Embodied Energy, MJ/kg 150
55
Embodied Water, L/kg 1070
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
48 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 51
510 to 4780
Stiffness to Weight: Axial, points 16
14
Stiffness to Weight: Bending, points 55
24
Strength to Weight: Axial, points 20
24 to 86
Strength to Weight: Bending, points 28
22 to 51
Thermal Shock Resistance, points 8.4
23 to 84

Alloy Composition


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Aluminum (Al), % 87.1 to 90
0.15 to 0.5
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
11 to 13
Copper (Cu), % 0 to 0.050
1.5 to 3.5
Iron (Fe), % 0 to 0.19
65 to 76
Magnesium (Mg), % 0 to 0.45
0
Manganese (Mn), % 0 to 0.1
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 0
8.0 to 10
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 10 to 11.8
0 to 0.7
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.15
0.5 to 1.2
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0