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333.0 Aluminum vs. S40977 Stainless Steel

333.0 aluminum belongs to the aluminum alloys classification, while S40977 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 333.0 aluminum and the bottom bar is S40977 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90 to 110
160
Elastic (Young's, Tensile) Modulus, GPa 73
190
Elongation at Break, % 1.0 to 2.0
21
Fatigue Strength, MPa 83 to 100
200
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
76
Shear Strength, MPa 190 to 230
320
Tensile Strength: Ultimate (UTS), MPa 230 to 280
510
Tensile Strength: Yield (Proof), MPa 130 to 210
310

Thermal Properties

Latent Heat of Fusion, J/g 520
270
Maximum Temperature: Mechanical, °C 170
720
Melting Completion (Liquidus), °C 590
1440
Melting Onset (Solidus), °C 530
1400
Specific Heat Capacity, J/kg-K 880
480
Thermal Conductivity, W/m-K 100 to 140
25
Thermal Expansion, µm/m-K 21
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26 to 35
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 83 to 110
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 10
6.5
Density, g/cm3 2.8
7.8
Embodied Carbon, kg CO2/kg material 7.6
1.9
Embodied Energy, MJ/kg 140
27
Embodied Water, L/kg 1040
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.1 to 4.6
92
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 290
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
25
Strength to Weight: Axial, points 22 to 27
18
Strength to Weight: Bending, points 29 to 34
18
Thermal Diffusivity, mm2/s 42 to 57
6.7
Thermal Shock Resistance, points 11 to 13
18

Alloy Composition

Aluminum (Al), % 81.8 to 89
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
10.5 to 12.5
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 0 to 1.0
83.9 to 89.2
Magnesium (Mg), % 0.050 to 0.5
0
Manganese (Mn), % 0 to 0.5
0 to 1.5
Nickel (Ni), % 0 to 0.5
0.3 to 1.0
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 8.0 to 10
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0