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515.0 Aluminum vs. EN 1.4594 Stainless Steel

515.0 aluminum belongs to the aluminum alloys classification, while EN 1.4594 stainless steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, 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 515.0 aluminum and the bottom bar is EN 1.4594 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 10
11 to 17
Fatigue Strength, MPa 130
490 to 620
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
76
Shear Strength, MPa 190
620 to 700
Tensile Strength: Ultimate (UTS), MPa 280
1020 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 470
280
Maximum Temperature: Mechanical, °C 170
820
Melting Completion (Liquidus), °C 620
1450
Melting Onset (Solidus), °C 620
1410
Specific Heat Capacity, J/kg-K 900
470
Thermal Expansion, µm/m-K 23
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
15
Density, g/cm3 2.6
7.9
Embodied Carbon, kg CO2/kg material 8.4
3.2
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1120
130

Common Calculations

Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 52
25
Strength to Weight: Axial, points 30
36 to 41
Strength to Weight: Bending, points 36
29 to 31
Thermal Shock Resistance, points 13
34 to 39

Alloy Composition

Aluminum (Al), % 93.6 to 96.6
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
13 to 15
Copper (Cu), % 0 to 0.2
1.2 to 2.0
Iron (Fe), % 0 to 1.3
72.6 to 79.5
Magnesium (Mg), % 2.5 to 4.0
0
Manganese (Mn), % 0.4 to 0.6
0 to 1.0
Molybdenum (Mo), % 0
1.2 to 2.0
Nickel (Ni), % 0
5.0 to 6.0
Niobium (Nb), % 0
0.15 to 0.6
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.5 to 10
0 to 0.7
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0