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332.0 Aluminum vs. S17400 Stainless Steel

332.0 aluminum belongs to the aluminum alloys classification, while S17400 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (5, 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 332.0 aluminum and the bottom bar is S17400 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
280 to 440
Elastic (Young's, Tensile) Modulus, GPa 73
190
Elongation at Break, % 1.0
11 to 21
Fatigue Strength, MPa 90
380 to 670
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
75
Shear Strength, MPa 190
570 to 830
Tensile Strength: Ultimate (UTS), MPa 250
910 to 1390
Tensile Strength: Yield (Proof), MPa 190
580 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 530
280
Maximum Temperature: Mechanical, °C 170
850
Melting Completion (Liquidus), °C 580
1440
Melting Onset (Solidus), °C 530
1400
Specific Heat Capacity, J/kg-K 880
480
Thermal Conductivity, W/m-K 100
17
Thermal Expansion, µm/m-K 21
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 84
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 10
14
Density, g/cm3 2.8
7.8
Embodied Carbon, kg CO2/kg material 7.8
2.7
Embodied Energy, MJ/kg 140
39
Embodied Water, L/kg 1040
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 250
880 to 4060
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 24
32 to 49
Strength to Weight: Bending, points 31
27 to 35
Thermal Diffusivity, mm2/s 42
4.5
Thermal Shock Resistance, points 12
30 to 46

Alloy Composition

Aluminum (Al), % 80.1 to 89
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
15 to 17
Copper (Cu), % 2.0 to 4.0
3.0 to 5.0
Iron (Fe), % 0 to 1.2
70.4 to 78.9
Magnesium (Mg), % 0.5 to 1.5
0
Manganese (Mn), % 0 to 0.5
0 to 1.0
Nickel (Ni), % 0 to 0.5
3.0 to 5.0
Niobium (Nb), % 0
0.15 to 0.45
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 8.5 to 10.5
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0