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S46500 Stainless Steel vs. 328.0 Aluminum

S46500 stainless steel belongs to the iron alloys classification, while 328.0 aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (11, 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 S46500 stainless steel and the bottom bar is 328.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
72
Elongation at Break, % 2.3 to 14
1.6 to 2.1
Fatigue Strength, MPa 550 to 890
55 to 80
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 75
27
Tensile Strength: Ultimate (UTS), MPa 1260 to 1930
200 to 270
Tensile Strength: Yield (Proof), MPa 1120 to 1810
120 to 170

Thermal Properties

Latent Heat of Fusion, J/g 280
510
Maximum Temperature: Mechanical, °C 780
180
Melting Completion (Liquidus), °C 1450
620
Melting Onset (Solidus), °C 1410
560
Specific Heat Capacity, J/kg-K 470
890
Thermal Expansion, µm/m-K 11
22

Otherwise Unclassified Properties

Base Metal Price, % relative 15
10
Density, g/cm3 7.9
2.7
Embodied Carbon, kg CO2/kg material 3.6
7.8
Embodied Energy, MJ/kg 51
140
Embodied Water, L/kg 120
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 43 to 210
2.8 to 5.0
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
51
Strength to Weight: Axial, points 44 to 68
21 to 28
Strength to Weight: Bending, points 33 to 44
28 to 34
Thermal Shock Resistance, points 44 to 67
9.2 to 12

Alloy Composition

Aluminum (Al), % 0
84.5 to 91.1
Carbon (C), % 0 to 0.020
0
Chromium (Cr), % 11 to 12.5
0 to 0.35
Copper (Cu), % 0
1.0 to 2.0
Iron (Fe), % 72.6 to 76.1
0 to 1.0
Magnesium (Mg), % 0
0.2 to 0.6
Manganese (Mn), % 0 to 0.25
0.2 to 0.6
Molybdenum (Mo), % 0.75 to 1.3
0
Nickel (Ni), % 10.7 to 11.3
0 to 0.25
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.25
7.5 to 8.5
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 1.5 to 1.8
0 to 0.25
Zinc (Zn), % 0
0 to 1.5
Residuals, % 0
0 to 0.5