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EN AC-51500 Aluminum vs. EN 1.4762 Stainless Steel

EN AC-51500 aluminum belongs to the aluminum alloys classification, while EN 1.4762 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 EN AC-51500 aluminum and the bottom bar is EN 1.4762 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
190
Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 5.6
13
Fatigue Strength, MPa 120
180
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 26
78
Tensile Strength: Ultimate (UTS), MPa 280
620
Tensile Strength: Yield (Proof), MPa 160
310

Thermal Properties

Latent Heat of Fusion, J/g 430
300
Maximum Temperature: Mechanical, °C 170
1150
Melting Completion (Liquidus), °C 630
1410
Melting Onset (Solidus), °C 590
1370
Specific Heat Capacity, J/kg-K 910
490
Thermal Conductivity, W/m-K 120
17
Thermal Expansion, µm/m-K 23
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 88
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.6
7.6
Embodied Carbon, kg CO2/kg material 9.0
2.5
Embodied Energy, MJ/kg 150
37
Embodied Water, L/kg 1150
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
67
Resilience: Unit (Modulus of Resilience), kJ/m3 190
250
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 52
26
Strength to Weight: Axial, points 29
23
Strength to Weight: Bending, points 36
21
Thermal Diffusivity, mm2/s 49
4.6
Thermal Shock Resistance, points 13
22

Alloy Composition

Aluminum (Al), % 89.8 to 93.1
1.2 to 1.7
Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0
23 to 26
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.25
69.7 to 75.1
Magnesium (Mg), % 4.7 to 6.0
0
Manganese (Mn), % 0.4 to 0.8
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 1.8 to 2.6
0.7 to 1.4
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.15
0