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EN AC-51500 Aluminum vs. N08332 Stainless Steel

EN AC-51500 aluminum belongs to the aluminum alloys classification, while N08332 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 N08332 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
170
Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 5.6
34
Fatigue Strength, MPa 120
170
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
76
Tensile Strength: Ultimate (UTS), MPa 280
520
Tensile Strength: Yield (Proof), MPa 160
210

Thermal Properties

Latent Heat of Fusion, J/g 430
310
Maximum Temperature: Mechanical, °C 170
1050
Melting Completion (Liquidus), °C 630
1390
Melting Onset (Solidus), °C 590
1340
Specific Heat Capacity, J/kg-K 910
480
Thermal Conductivity, W/m-K 120
12
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 88
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
32
Density, g/cm3 2.6
8.0
Embodied Carbon, kg CO2/kg material 9.0
5.4
Embodied Energy, MJ/kg 150
77
Embodied Water, L/kg 1150
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
140
Resilience: Unit (Modulus of Resilience), kJ/m3 190
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 52
24
Strength to Weight: Axial, points 29
18
Strength to Weight: Bending, points 36
18
Thermal Diffusivity, mm2/s 49
3.1
Thermal Shock Resistance, points 13
12

Alloy Composition

Aluminum (Al), % 89.8 to 93.1
0
Carbon (C), % 0
0.050 to 0.1
Chromium (Cr), % 0
17 to 20
Copper (Cu), % 0 to 0.050
0 to 1.0
Iron (Fe), % 0 to 0.25
38.3 to 48.2
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 4.7 to 6.0
0
Manganese (Mn), % 0.4 to 0.8
0 to 2.0
Nickel (Ni), % 0
34 to 37
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 1.8 to 2.6
0.75 to 1.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.15
0