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EN 1.4825 Stainless Steel vs. 520.0 Aluminum

EN 1.4825 stainless steel belongs to the iron alloys classification, while 520.0 aluminum belongs to the aluminum alloys. There are 30 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 1.4825 stainless steel and the bottom bar is 520.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
75
Elastic (Young's, Tensile) Modulus, GPa 200
66
Elongation at Break, % 17
14
Fatigue Strength, MPa 160
55
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
25
Tensile Strength: Ultimate (UTS), MPa 510
330
Tensile Strength: Yield (Proof), MPa 260
170

Thermal Properties

Latent Heat of Fusion, J/g 300
390
Maximum Temperature: Mechanical, °C 900
170
Melting Completion (Liquidus), °C 1410
600
Melting Onset (Solidus), °C 1370
480
Specific Heat Capacity, J/kg-K 480
910
Thermal Conductivity, W/m-K 15
87
Thermal Expansion, µm/m-K 16
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
21
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
72

Otherwise Unclassified Properties

Base Metal Price, % relative 15
9.5
Density, g/cm3 7.7
2.6
Embodied Carbon, kg CO2/kg material 3.1
9.8
Embodied Energy, MJ/kg 43
160
Embodied Water, L/kg 140
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72
39
Resilience: Unit (Modulus of Resilience), kJ/m3 170
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
52
Strength to Weight: Axial, points 18
35
Strength to Weight: Bending, points 18
41
Thermal Diffusivity, mm2/s 4.0
37
Thermal Shock Resistance, points 12
14

Alloy Composition

Aluminum (Al), % 0
87.9 to 90.5
Carbon (C), % 0.15 to 0.35
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 65.6 to 74.4
0 to 0.3
Magnesium (Mg), % 0
9.5 to 10.6
Manganese (Mn), % 0 to 2.0
0 to 0.15
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 8.0 to 10
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0.5 to 2.5
0 to 0.25
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.15
Residuals, % 0
0 to 0.15