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N08800 Stainless Steel vs. EN AC-46500 Aluminum

N08800 stainless steel belongs to the iron alloys classification, while EN AC-46500 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 N08800 stainless steel and the bottom bar is EN AC-46500 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
74
Elongation at Break, % 4.5 to 34
1.0
Fatigue Strength, MPa 150 to 390
110
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
28
Tensile Strength: Ultimate (UTS), MPa 500 to 1000
270
Tensile Strength: Yield (Proof), MPa 190 to 830
160

Thermal Properties

Latent Heat of Fusion, J/g 300
520
Maximum Temperature: Mechanical, °C 1100
180
Melting Completion (Liquidus), °C 1390
610
Melting Onset (Solidus), °C 1360
520
Specific Heat Capacity, J/kg-K 480
880
Thermal Conductivity, W/m-K 12
100
Thermal Expansion, µm/m-K 14
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
26
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
81

Otherwise Unclassified Properties

Base Metal Price, % relative 30
10
Density, g/cm3 8.0
2.9
Embodied Carbon, kg CO2/kg material 5.3
7.6
Embodied Energy, MJ/kg 76
140
Embodied Water, L/kg 200
1030

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 160
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 96 to 1740
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
49
Strength to Weight: Axial, points 18 to 35
26
Strength to Weight: Bending, points 18 to 28
32
Thermal Diffusivity, mm2/s 3.0
41
Thermal Shock Resistance, points 13 to 25
12

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
77.9 to 90
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 19 to 23
0 to 0.15
Copper (Cu), % 0 to 0.75
2.0 to 4.0
Iron (Fe), % 39.5 to 50.7
0 to 1.3
Lead (Pb), % 0
0 to 0.35
Magnesium (Mg), % 0
0.050 to 0.55
Manganese (Mn), % 0 to 1.5
0 to 0.55
Nickel (Ni), % 30 to 35
0 to 0.55
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
8.0 to 11
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0.15 to 0.6
0 to 0.25
Zinc (Zn), % 0
0 to 3.0
Residuals, % 0
0 to 0.25