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5051A Aluminum vs. EN 1.4833 Stainless Steel

5051A aluminum belongs to the aluminum alloys classification, while EN 1.4833 stainless steel belongs to the iron alloys. There are 30 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 5051A aluminum and the bottom bar is EN 1.4833 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 18 to 21
38
Fatigue Strength, MPa 51 to 61
200
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 26
78
Shear Strength, MPa 110
410
Tensile Strength: Ultimate (UTS), MPa 170
600
Tensile Strength: Yield (Proof), MPa 56
240

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Maximum Temperature: Mechanical, °C 190
1000
Melting Completion (Liquidus), °C 640
1410
Melting Onset (Solidus), °C 610
1370
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 150
15
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 130
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
19
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.5
3.5
Embodied Energy, MJ/kg 150
50
Embodied Water, L/kg 1190
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 27
180
Resilience: Unit (Modulus of Resilience), kJ/m3 23
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 17 to 18
21
Strength to Weight: Bending, points 25
20
Thermal Diffusivity, mm2/s 63
4.0
Thermal Shock Resistance, points 7.6
13

Alloy Composition

Aluminum (Al), % 96.1 to 98.6
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0 to 0.3
22 to 24
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.45
58.7 to 66
Magnesium (Mg), % 1.4 to 2.1
0
Manganese (Mn), % 0 to 0.25
0 to 2.0
Nickel (Ni), % 0
12 to 14
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0