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EN 1.4308 Stainless Steel vs. 6262A Aluminum

EN 1.4308 stainless steel belongs to the iron alloys classification, while 6262A aluminum belongs to the aluminum alloys. There are 29 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 EN 1.4308 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, % 34
4.5 to 11
Fatigue Strength, MPa 160
94 to 110
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
26
Tensile Strength: Ultimate (UTS), MPa 510
310 to 410
Tensile Strength: Yield (Proof), MPa 200
270 to 370

Thermal Properties

Latent Heat of Fusion, J/g 290
400
Maximum Temperature: Mechanical, °C 960
160
Melting Completion (Liquidus), °C 1420
640
Melting Onset (Solidus), °C 1380
580
Specific Heat Capacity, J/kg-K 480
890
Thermal Conductivity, W/m-K 15
170
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
45
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
140

Otherwise Unclassified Properties

Base Metal Price, % relative 15
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 140
17 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 100
540 to 1000
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
49
Strength to Weight: Axial, points 18
31 to 41
Strength to Weight: Bending, points 18
36 to 44
Thermal Diffusivity, mm2/s 4.1
67
Thermal Shock Resistance, points 11
14 to 18

Alloy Composition


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Aluminum (Al), % 0
94.2 to 97.8
Bismuth (Bi), % 0
0.4 to 0.9
Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 18 to 20
0.040 to 0.14
Copper (Cu), % 0
0.15 to 0.4
Iron (Fe), % 65.9 to 74
0 to 0.7
Magnesium (Mg), % 0
0.8 to 1.2
Manganese (Mn), % 0 to 1.5
0 to 0.15
Nickel (Ni), % 8.0 to 11
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.5
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