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EN 1.4807 Stainless Steel vs. 6101B Aluminum

EN 1.4807 stainless steel belongs to the iron alloys classification, while 6101B aluminum belongs to the aluminum alloys. There are 29 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 EN 1.4807 stainless steel and the bottom bar is 6101B aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
68
Elongation at Break, % 4.5
9.1 to 13
Fatigue Strength, MPa 120
62 to 70
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 75
26
Tensile Strength: Ultimate (UTS), MPa 480
190 to 250
Tensile Strength: Yield (Proof), MPa 250
140 to 180

Thermal Properties

Latent Heat of Fusion, J/g 320
400
Maximum Temperature: Mechanical, °C 1000
160
Melting Completion (Liquidus), °C 1390
640
Melting Onset (Solidus), °C 1350
630
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 12
210
Thermal Expansion, µm/m-K 15
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
57
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
190

Otherwise Unclassified Properties

Base Metal Price, % relative 39
9.5
Density, g/cm3 8.0
2.7
Embodied Carbon, kg CO2/kg material 6.8
8.3
Embodied Energy, MJ/kg 97
150
Embodied Water, L/kg 190
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
20 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 160
140 to 240
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 17
20 to 25
Strength to Weight: Bending, points 17
27 to 32
Thermal Diffusivity, mm2/s 3.2
87
Thermal Shock Resistance, points 12
8.5 to 11

Alloy Composition

Aluminum (Al), % 0
98.2 to 99.3
Carbon (C), % 0.3 to 0.5
0
Chromium (Cr), % 17 to 20
0
Copper (Cu), % 0
0 to 0.050
Iron (Fe), % 36.6 to 46.7
0.1 to 0.3
Magnesium (Mg), % 0
0.35 to 0.6
Manganese (Mn), % 0 to 2.0
0 to 0.050
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 34 to 36
0
Niobium (Nb), % 1.0 to 1.8
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.0 to 2.5
0.3 to 0.6
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.1