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5088 Aluminum vs. EN 1.4877 Stainless Steel

5088 aluminum belongs to the aluminum alloys classification, while EN 1.4877 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 5088 aluminum and the bottom bar is EN 1.4877 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 29
36
Fatigue Strength, MPa 180
170
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 25
79
Shear Strength, MPa 200
420
Tensile Strength: Ultimate (UTS), MPa 310
630
Tensile Strength: Yield (Proof), MPa 150
200

Thermal Properties

Latent Heat of Fusion, J/g 390
310
Maximum Temperature: Mechanical, °C 200
1150
Melting Completion (Liquidus), °C 640
1400
Melting Onset (Solidus), °C 540
1360
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 120
12
Thermal Expansion, µm/m-K 24
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 98
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
37
Density, g/cm3 2.7
8.0
Embodied Carbon, kg CO2/kg material 9.0
6.2
Embodied Energy, MJ/kg 150
89
Embodied Water, L/kg 1180
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 76
180
Resilience: Unit (Modulus of Resilience), kJ/m3 170
100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 32
22
Strength to Weight: Bending, points 38
20
Thermal Diffusivity, mm2/s 51
3.2
Thermal Shock Resistance, points 14
15

Alloy Composition

Aluminum (Al), % 92.4 to 94.8
0 to 0.025
Carbon (C), % 0
0.040 to 0.080
Cerium (Ce), % 0
0.050 to 0.1
Chromium (Cr), % 0 to 0.15
26 to 28
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0.1 to 0.35
36.4 to 42.3
Magnesium (Mg), % 4.7 to 5.5
0
Manganese (Mn), % 0.2 to 0.5
0 to 1.0
Nickel (Ni), % 0
31 to 33
Niobium (Nb), % 0
0.6 to 1.0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.2
0 to 0.3
Sulfur (S), % 0
0 to 0.010
Zinc (Zn), % 0.2 to 0.4
0
Zirconium (Zr), % 0 to 0.15
0
Residuals, % 0 to 0.15
0