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5252 Aluminum vs. EN 1.4557 Stainless Steel

5252 aluminum belongs to the aluminum alloys classification, while EN 1.4557 stainless steel belongs to the iron 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 5252 aluminum and the bottom bar is EN 1.4557 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 68 to 75
160
Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 4.5 to 11
40
Fatigue Strength, MPa 100 to 110
260
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 25
80
Tensile Strength: Ultimate (UTS), MPa 230 to 290
560
Tensile Strength: Yield (Proof), MPa 170 to 240
300

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Maximum Temperature: Mechanical, °C 180
1090
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 610
1420
Specific Heat Capacity, J/kg-K 910
460
Thermal Conductivity, W/m-K 140
15
Thermal Expansion, µm/m-K 24
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 120
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
29
Density, g/cm3 2.7
8.0
Embodied Carbon, kg CO2/kg material 8.7
5.6
Embodied Energy, MJ/kg 160
76
Embodied Water, L/kg 1190
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 23
190
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 430
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
24
Strength to Weight: Axial, points 23 to 30
19
Strength to Weight: Bending, points 31 to 36
19
Thermal Diffusivity, mm2/s 57
4.0
Thermal Shock Resistance, points 10 to 13
12

Alloy Composition

Aluminum (Al), % 96.6 to 97.8
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
19.5 to 20.5
Copper (Cu), % 0 to 0.1
0.5 to 1.0
Iron (Fe), % 0 to 0.1
49.5 to 56.3
Magnesium (Mg), % 2.2 to 2.8
0
Manganese (Mn), % 0 to 0.1
0 to 1.2
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0
17.5 to 19.5
Nitrogen (N), % 0
0.18 to 0.24
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.080
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.050
0
Residuals, % 0 to 0.1
0