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EN 1.4362 Stainless Steel vs. 5040 Aluminum

EN 1.4362 stainless steel belongs to the iron alloys classification, while 5040 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 1.4362 stainless steel and the bottom bar is 5040 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
66 to 74
Elastic (Young's, Tensile) Modulus, GPa 200
70
Elongation at Break, % 25
5.7 to 6.8
Fatigue Strength, MPa 320
100 to 130
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 79
26
Shear Strength, MPa 470
140 to 150
Tensile Strength: Ultimate (UTS), MPa 730
240 to 260
Tensile Strength: Yield (Proof), MPa 460
190 to 230

Thermal Properties

Latent Heat of Fusion, J/g 290
400
Maximum Temperature: Mechanical, °C 1060
190
Melting Completion (Liquidus), °C 1420
650
Melting Onset (Solidus), °C 1380
600
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 15
160
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
41
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
130

Otherwise Unclassified Properties

Base Metal Price, % relative 14
9.5
Density, g/cm3 7.7
2.8
Embodied Carbon, kg CO2/kg material 2.9
8.3
Embodied Energy, MJ/kg 41
150
Embodied Water, L/kg 160
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
14 to 15
Resilience: Unit (Modulus of Resilience), kJ/m3 530
260 to 380
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 26
24 to 26
Strength to Weight: Bending, points 23
31 to 32
Thermal Diffusivity, mm2/s 4.0
64
Thermal Shock Resistance, points 20
10 to 11

Alloy Composition

Aluminum (Al), % 0
95.2 to 98
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 22 to 24.5
0.1 to 0.3
Copper (Cu), % 0.1 to 0.6
0 to 0.25
Iron (Fe), % 65.5 to 74.3
0 to 0.7
Magnesium (Mg), % 0
1.0 to 1.5
Manganese (Mn), % 0 to 2.0
0.9 to 1.4
Molybdenum (Mo), % 0.1 to 0.6
0
Nickel (Ni), % 3.5 to 5.5
0
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.015
0
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15