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355.0 Aluminum vs. AISI 310S Stainless Steel

355.0 aluminum belongs to the aluminum alloys classification, while AISI 310S stainless steel belongs to the iron 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 355.0 aluminum and the bottom bar is AISI 310S stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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