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AISI 304Cu Stainless Steel vs. 6262A Aluminum

AISI 304Cu 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 (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 AISI 304Cu stainless steel and the bottom bar is 6262A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
68
Elongation at Break, % 45
4.5 to 11
Fatigue Strength, MPa 190
94 to 110
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
26
Shear Strength, MPa 370
190 to 240
Tensile Strength: Ultimate (UTS), MPa 530
310 to 410
Tensile Strength: Yield (Proof), MPa 210
270 to 370

Thermal Properties

Latent Heat of Fusion, J/g 290
400
Maximum Temperature: Mechanical, °C 930
160
Melting Completion (Liquidus), °C 1410
640
Melting Onset (Solidus), °C 1370
580
Specific Heat Capacity, J/kg-K 480
890
Thermal Conductivity, W/m-K 13
170
Thermal Expansion, µm/m-K 16
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
45
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
140

Otherwise Unclassified Properties

Base Metal Price, % relative 16
11
Density, g/cm3 7.8
2.8
Embodied Carbon, kg CO2/kg material 3.0
8.4
Embodied Energy, MJ/kg 43
150
Embodied Water, L/kg 150
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
17 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 110
540 to 1000
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
49
Strength to Weight: Axial, points 19
31 to 41
Strength to Weight: Bending, points 19
36 to 44
Thermal Diffusivity, mm2/s 3.5
67
Thermal Shock Resistance, points 12
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 0.030
0
Chromium (Cr), % 17 to 19
0.040 to 0.14
Copper (Cu), % 3.0 to 4.0
0.15 to 0.4
Iron (Fe), % 63.9 to 72
0 to 0.7
Magnesium (Mg), % 0
0.8 to 1.2
Manganese (Mn), % 0 to 2.0
0 to 0.15
Nickel (Ni), % 8.0 to 10
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
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