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336.0 Aluminum vs. S82012 Stainless Steel

336.0 aluminum belongs to the aluminum alloys classification, while S82012 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 S82012 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
200
Elongation at Break, % 0.5
40
Fatigue Strength, MPa 80 to 93
480
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
78
Shear Strength, MPa 190 to 250
550
Tensile Strength: Ultimate (UTS), MPa 250 to 320
800
Tensile Strength: Yield (Proof), MPa 190 to 300
560

Thermal Properties

Latent Heat of Fusion, J/g 570
280
Maximum Temperature: Mechanical, °C 210
950
Melting Completion (Liquidus), °C 570
1430
Melting Onset (Solidus), °C 540
1380
Specific Heat Capacity, J/kg-K 890
480
Thermal Conductivity, W/m-K 120
15
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 95
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 2.8
7.7
Embodied Carbon, kg CO2/kg material 7.9
2.4
Embodied Energy, MJ/kg 140
35
Embodied Water, L/kg 1010
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.1 to 1.6
290
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 580
790
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 25 to 32
29
Strength to Weight: Bending, points 32 to 38
25
Thermal Diffusivity, mm2/s 48
3.9
Thermal Shock Resistance, points 12 to 16
23

Alloy Composition

Aluminum (Al), % 79.1 to 85.8
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
19 to 20.5
Copper (Cu), % 0.5 to 1.5
0 to 1.0
Iron (Fe), % 0 to 1.2
71.3 to 77.9
Magnesium (Mg), % 0.7 to 1.3
0
Manganese (Mn), % 0 to 0.35
2.0 to 4.0
Molybdenum (Mo), % 0
0.1 to 0.6
Nickel (Ni), % 2.0 to 3.0
0.8 to 1.5
Nitrogen (N), % 0
0.16 to 0.26
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 11 to 13
0 to 0.8
Sulfur (S), % 0
0 to 0.0050
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.35
0