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AISI 310S Stainless Steel vs. 355.0 Aluminum

AISI 310S stainless steel belongs to the iron alloys classification, while 355.0 aluminum belongs to the aluminum alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 AISI 310S stainless steel and the bottom bar is 355.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
72 to 83
Elastic (Young's, Tensile) Modulus, GPa 200
71
Elongation at Break, % 34 to 44
1.5 to 2.6
Fatigue Strength, MPa 250 to 280
55 to 70
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 79
27
Shear Strength, MPa 420 to 470
150 to 240
Tensile Strength: Ultimate (UTS), MPa 600 to 710
200 to 260
Tensile Strength: Yield (Proof), MPa 270 to 350
150 to 190

Thermal Properties

Latent Heat of Fusion, J/g 310
470
Maximum Temperature: Mechanical, °C 1100
180
Melting Completion (Liquidus), °C 1450
620
Melting Onset (Solidus), °C 1400
560
Specific Heat Capacity, J/kg-K 480
890
Thermal Conductivity, W/m-K 16
150 to 170
Thermal Expansion, µm/m-K 16
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
38 to 43
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
120 to 140

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 7.9
2.7
Embodied Carbon, kg CO2/kg material 4.3
8.0
Embodied Energy, MJ/kg 61
150
Embodied Water, L/kg 190
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 220
2.7 to 5.9
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 310
150 to 250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
51
Strength to Weight: Axial, points 21 to 25
20 to 27
Strength to Weight: Bending, points 20 to 22
28 to 33
Thermal Diffusivity, mm2/s 4.1
60 to 69
Thermal Shock Resistance, points 14 to 16
9.1 to 12

Alloy Composition


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Aluminum (Al), % 0
90.3 to 94.1
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 24 to 26
0 to 0.25
Copper (Cu), % 0
1.0 to 1.5
Iron (Fe), % 48.3 to 57
0 to 0.6
Magnesium (Mg), % 0
0.4 to 0.6
Manganese (Mn), % 0 to 2.0
0 to 0.5
Nickel (Ni), % 19 to 22
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.5
4.5 to 5.5
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.35
Residuals, % 0
0 to 0.15