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AISI 329 Stainless Steel vs. 6262A Aluminum

AISI 329 stainless steel belongs to the iron alloys classification, while 6262A aluminum belongs to the aluminum 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 AISI 329 stainless steel and the bottom bar is 6262A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
68
Elongation at Break, % 17
4.5 to 11
Fatigue Strength, MPa 330
94 to 110
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 80
26
Shear Strength, MPa 440
190 to 240
Tensile Strength: Ultimate (UTS), MPa 710
310 to 410
Tensile Strength: Yield (Proof), MPa 540
270 to 370

Thermal Properties

Latent Heat of Fusion, J/g 300
400
Maximum Temperature: Mechanical, °C 1100
160
Melting Completion (Liquidus), °C 1440
640
Melting Onset (Solidus), °C 1390
580
Specific Heat Capacity, J/kg-K 480
890
Thermal Conductivity, W/m-K 16
170
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
45
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
140

Otherwise Unclassified Properties

Base Metal Price, % relative 16
11
Density, g/cm3 7.7
2.8
Embodied Carbon, kg CO2/kg material 3.1
8.4
Embodied Energy, MJ/kg 44
150
Embodied Water, L/kg 170
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
17 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 730
540 to 1000
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
49
Strength to Weight: Axial, points 25
31 to 41
Strength to Weight: Bending, points 23
36 to 44
Thermal Diffusivity, mm2/s 4.3
67
Thermal Shock Resistance, points 19
14 to 18

Alloy Composition

Aluminum (Al), % 0
94.2 to 97.8
Bismuth (Bi), % 0
0.4 to 0.9
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 23 to 28
0.040 to 0.14
Copper (Cu), % 0
0.15 to 0.4
Iron (Fe), % 63.1 to 74
0 to 0.7
Magnesium (Mg), % 0
0.8 to 1.2
Manganese (Mn), % 0 to 1.0
0 to 0.15
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 2.0 to 5.0
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.75
0.4 to 0.8
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0.4 to 1.0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15