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336.0 Aluminum vs. S32803 Stainless Steel

336.0 aluminum belongs to the aluminum alloys classification, while S32803 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 336.0 aluminum and the bottom bar is S32803 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 130
210
Elastic (Young's, Tensile) Modulus, GPa 75
210
Elongation at Break, % 0.5
18
Fatigue Strength, MPa 80 to 93
350
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 28
81
Shear Strength, MPa 190 to 250
420
Tensile Strength: Ultimate (UTS), MPa 250 to 320
680
Tensile Strength: Yield (Proof), MPa 190 to 300
560

Thermal Properties

Latent Heat of Fusion, J/g 570
300
Maximum Temperature: Mechanical, °C 210
1100
Melting Completion (Liquidus), °C 570
1450
Melting Onset (Solidus), °C 540
1400
Specific Heat Capacity, J/kg-K 890
480
Thermal Conductivity, W/m-K 120
16
Thermal Expansion, µm/m-K 19
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 95
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 11
19
Density, g/cm3 2.8
7.7
Embodied Carbon, kg CO2/kg material 7.9
3.7
Embodied Energy, MJ/kg 140
53
Embodied Water, L/kg 1010
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.1 to 1.6
120
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 580
760
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 25 to 32
25
Strength to Weight: Bending, points 32 to 38
22
Thermal Diffusivity, mm2/s 48
4.4
Thermal Shock Resistance, points 12 to 16
22

Alloy Composition

Aluminum (Al), % 79.1 to 85.8
0
Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0
28 to 29
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 0 to 1.2
62.9 to 67.1
Magnesium (Mg), % 0.7 to 1.3
0
Manganese (Mn), % 0 to 0.35
0 to 0.5
Molybdenum (Mo), % 0
1.8 to 2.5
Nickel (Ni), % 2.0 to 3.0
3.0 to 4.0
Niobium (Nb), % 0
0.15 to 0.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 11 to 13
0 to 0.55
Sulfur (S), % 0
0 to 0.0035
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.35
0