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EN 1.4807 Stainless Steel vs. 6063A Aluminum

EN 1.4807 stainless steel belongs to the iron alloys classification, while 6063A 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 6063A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
68
Elongation at Break, % 4.5
6.7 to 18
Fatigue Strength, MPa 120
53 to 80
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 75
26
Tensile Strength: Ultimate (UTS), MPa 480
130 to 260
Tensile Strength: Yield (Proof), MPa 250
55 to 200

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
620
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 12
200
Thermal Expansion, µm/m-K 15
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
49 to 54
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
160 to 180

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
13 to 21
Resilience: Unit (Modulus of Resilience), kJ/m3 160
22 to 280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 17
13 to 26
Strength to Weight: Bending, points 17
21 to 33
Thermal Diffusivity, mm2/s 3.2
83
Thermal Shock Resistance, points 12
5.6 to 11

Alloy Composition

Aluminum (Al), % 0
97.5 to 99
Carbon (C), % 0.3 to 0.5
0
Chromium (Cr), % 17 to 20
0 to 0.050
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 36.6 to 46.7
0.15 to 0.35
Magnesium (Mg), % 0
0.6 to 0.9
Manganese (Mn), % 0 to 2.0
0 to 0.15
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
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.15
Residuals, % 0
0 to 0.15