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EN AC-43300 Aluminum vs. S21460 Stainless Steel

EN AC-43300 aluminum belongs to the aluminum alloys classification, while S21460 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-43300 aluminum and the bottom bar is S21460 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91 to 94
250
Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 3.4 to 6.7
46
Fatigue Strength, MPa 76 to 77
390
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
77
Tensile Strength: Ultimate (UTS), MPa 280 to 290
830
Tensile Strength: Yield (Proof), MPa 210 to 230
430

Thermal Properties

Latent Heat of Fusion, J/g 540
290
Maximum Temperature: Mechanical, °C 170
920
Melting Completion (Liquidus), °C 600
1380
Melting Onset (Solidus), °C 590
1330
Specific Heat Capacity, J/kg-K 910
480
Thermal Expansion, µm/m-K 22
18

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
14
Density, g/cm3 2.5
7.6
Embodied Carbon, kg CO2/kg material 7.9
3.0
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 1080
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1 to 17
320
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 370
460
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 54
25
Strength to Weight: Axial, points 31 to 32
30
Strength to Weight: Bending, points 37 to 38
26
Thermal Shock Resistance, points 13 to 14
17

Alloy Composition

Aluminum (Al), % 88.9 to 90.8
0
Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.19
57.3 to 63.7
Magnesium (Mg), % 0.25 to 0.45
0
Manganese (Mn), % 0 to 0.1
14 to 16
Nickel (Ni), % 0
5.0 to 6.0
Nitrogen (N), % 0
0.35 to 0.5
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 9.0 to 10
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0