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S20910 Stainless Steel vs. EN AC-46600 Aluminum

S20910 stainless steel belongs to the iron alloys classification, while EN AC-46600 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, 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 S20910 stainless steel and the bottom bar is EN AC-46600 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 290
77
Elastic (Young's, Tensile) Modulus, GPa 200
72
Elongation at Break, % 14 to 39
1.1
Fatigue Strength, MPa 310 to 460
75
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
27
Tensile Strength: Ultimate (UTS), MPa 780 to 940
180
Tensile Strength: Yield (Proof), MPa 430 to 810
110

Thermal Properties

Latent Heat of Fusion, J/g 300
490
Maximum Temperature: Mechanical, °C 1080
170
Melting Completion (Liquidus), °C 1420
620
Melting Onset (Solidus), °C 1380
560
Specific Heat Capacity, J/kg-K 480
890
Thermal Conductivity, W/m-K 13
130
Thermal Expansion, µm/m-K 16
22

Otherwise Unclassified Properties

Base Metal Price, % relative 22
10
Density, g/cm3 7.8
2.8
Embodied Carbon, kg CO2/kg material 4.8
7.8
Embodied Energy, MJ/kg 68
150
Embodied Water, L/kg 180
1080

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
1.7
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
81
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 28 to 33
18
Strength to Weight: Bending, points 24 to 27
25
Thermal Diffusivity, mm2/s 3.6
51
Thermal Shock Resistance, points 17 to 21
8.1

Alloy Composition

Aluminum (Al), % 0
85.6 to 92.4
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 20.5 to 23.5
0
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 52.1 to 62.1
0 to 0.8
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 0
0 to 0.35
Manganese (Mn), % 4.0 to 6.0
0.15 to 0.65
Molybdenum (Mo), % 1.5 to 3.0
0
Nickel (Ni), % 11.5 to 13.5
0 to 0.35
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.75
6.0 to 8.0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0
0 to 0.25
Vanadium (V), % 0.1 to 0.3
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.15