S46910 Stainless Steel vs. EN AC-21200 Aluminum
S46910 stainless steel belongs to the iron alloys classification, while EN AC-21200 aluminum belongs to the aluminum 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 S46910 stainless steel and the bottom bar is EN AC-21200 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 270 to 630 | |
120 to 130 |
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
71 |
Elongation at Break, % | 2.2 to 11 | |
3.9 to 6.2 |
Fatigue Strength, MPa | 250 to 1020 | |
110 to 130 |
Poisson's Ratio | 0.28 | |
0.33 |
Shear Modulus, GPa | 76 | |
27 |
Tensile Strength: Ultimate (UTS), MPa | 680 to 2470 | |
410 to 440 |
Tensile Strength: Yield (Proof), MPa | 450 to 2290 | |
270 to 360 |
Thermal Properties
Latent Heat of Fusion, J/g | 280 | |
390 |
Maximum Temperature: Mechanical, °C | 810 | |
170 |
Melting Completion (Liquidus), °C | 1460 | |
660 |
Melting Onset (Solidus), °C | 1420 | |
550 |
Specific Heat Capacity, J/kg-K | 470 | |
880 |
Thermal Expansion, µm/m-K | 11 | |
23 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 18 | |
10 |
Density, g/cm3 | 7.9 | |
3.0 |
Embodied Carbon, kg CO2/kg material | 4.1 | |
8.0 |
Embodied Energy, MJ/kg | 55 | |
150 |
Embodied Water, L/kg | 140 | |
1150 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 48 to 130 | |
16 to 22 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 510 to 4780 | |
500 to 930 |
Stiffness to Weight: Axial, points | 14 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
46 |
Strength to Weight: Axial, points | 24 to 86 | |
38 to 40 |
Strength to Weight: Bending, points | 22 to 51 | |
41 to 43 |
Thermal Shock Resistance, points | 23 to 84 | |
18 to 19 |
Alloy Composition
Aluminum (Al), % | 0.15 to 0.5 | |
93.3 to 95.7 |
Carbon (C), % | 0 to 0.030 | |
0 |
Chromium (Cr), % | 11 to 13 | |
0 |
Copper (Cu), % | 1.5 to 3.5 | |
4.0 to 5.0 |
Iron (Fe), % | 65 to 76 | |
0 to 0.2 |
Lead (Pb), % | 0 | |
0 to 0.030 |
Magnesium (Mg), % | 0 | |
0.15 to 0.5 |
Manganese (Mn), % | 0 to 1.0 | |
0.2 to 0.5 |
Molybdenum (Mo), % | 3.0 to 5.0 | |
0 |
Nickel (Ni), % | 8.0 to 10 | |
0 to 0.050 |
Phosphorus (P), % | 0 to 0.030 | |
0 |
Silicon (Si), % | 0 to 0.7 | |
0 to 0.1 |
Sulfur (S), % | 0 to 0.015 | |
0 |
Tin (Sn), % | 0 | |
0 to 0.030 |
Titanium (Ti), % | 0.5 to 1.2 | |
0 to 0.1 |
Zinc (Zn), % | 0 | |
0 to 0.1 |
Residuals, % | 0 | |
0 to 0.1 |