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EN 1.4659 Stainless Steel vs. 511.0 Aluminum

EN 1.4659 stainless steel belongs to the iron alloys classification, while 511.0 aluminum belongs to the aluminum alloys. There are 31 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 EN 1.4659 stainless steel and the bottom bar is 511.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
50
Elastic (Young's, Tensile) Modulus, GPa 210
68
Elongation at Break, % 49
3.0
Fatigue Strength, MPa 460
55
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 81
25
Shear Strength, MPa 640
120
Tensile Strength: Ultimate (UTS), MPa 900
150
Tensile Strength: Yield (Proof), MPa 480
83

Thermal Properties

Latent Heat of Fusion, J/g 300
400
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1480
640
Melting Onset (Solidus), °C 1430
590
Specific Heat Capacity, J/kg-K 460
900
Thermal Conductivity, W/m-K 12
140
Thermal Expansion, µm/m-K 16
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
36
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
120

Otherwise Unclassified Properties

Base Metal Price, % relative 37
9.5
Density, g/cm3 8.2
2.7
Embodied Carbon, kg CO2/kg material 6.5
8.8
Embodied Energy, MJ/kg 89
150
Embodied Water, L/kg 220
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 370
3.7
Resilience: Unit (Modulus of Resilience), kJ/m3 550
51
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
51
Strength to Weight: Axial, points 31
15
Strength to Weight: Bending, points 25
23
Thermal Diffusivity, mm2/s 3.2
59
Thermal Shock Resistance, points 19
6.5

Alloy Composition

Aluminum (Al), % 0
93.3 to 96.2
Carbon (C), % 0 to 0.020
0
Chromium (Cr), % 23 to 25
0
Copper (Cu), % 1.0 to 2.0
0 to 0.15
Iron (Fe), % 35.7 to 45.7
0 to 0.5
Magnesium (Mg), % 0
3.5 to 4.5
Manganese (Mn), % 2.0 to 4.0
0 to 0.35
Molybdenum (Mo), % 5.5 to 6.5
0
Nickel (Ni), % 21 to 23
0
Nitrogen (N), % 0.35 to 0.5
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.7
0.3 to 0.7
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
0 to 0.25
Tungsten (W), % 1.5 to 2.5
0
Zinc (Zn), % 0
0 to 0.15
Residuals, % 0
0 to 0.15