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EN 1.4630 Stainless Steel vs. 5457 Aluminum

EN 1.4630 stainless steel belongs to the iron alloys classification, while 5457 aluminum belongs to the aluminum 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 EN 1.4630 stainless steel and the bottom bar is 5457 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
68
Elongation at Break, % 23
6.0 to 22
Fatigue Strength, MPa 170
55 to 98
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
26
Shear Strength, MPa 300
85 to 130
Tensile Strength: Ultimate (UTS), MPa 480
130 to 210
Tensile Strength: Yield (Proof), MPa 250
50 to 190

Thermal Properties

Latent Heat of Fusion, J/g 290
400
Maximum Temperature: Mechanical, °C 800
180
Melting Completion (Liquidus), °C 1440
660
Melting Onset (Solidus), °C 1390
630
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 28
180
Thermal Expansion, µm/m-K 10
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
46
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
150

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 7.7
2.7
Embodied Carbon, kg CO2/kg material 2.5
8.4
Embodied Energy, MJ/kg 36
160
Embodied Water, L/kg 120
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
12 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 160
18 to 250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 17
13 to 21
Strength to Weight: Bending, points 18
21 to 28
Thermal Diffusivity, mm2/s 7.5
72
Thermal Shock Resistance, points 17
5.7 to 9.0

Alloy Composition

Aluminum (Al), % 0 to 1.5
97.8 to 99.05
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 13 to 16
0
Copper (Cu), % 0 to 0.5
0 to 0.2
Iron (Fe), % 77.1 to 86.7
0 to 0.1
Magnesium (Mg), % 0
0.8 to 1.2
Manganese (Mn), % 0 to 1.0
0.15 to 0.45
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.5
0
Niobium (Nb), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0.2 to 1.5
0 to 0.080
Sulfur (S), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.8
0
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0
0 to 0.050
Residuals, % 0
0 to 0.1