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N08367 Stainless Steel vs. EN AC-42100 Aluminum

N08367 stainless steel belongs to the iron alloys classification, while EN AC-42100 aluminum belongs to the aluminum alloys. There are 30 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 N08367 stainless steel and the bottom bar is EN AC-42100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
91
Elastic (Young's, Tensile) Modulus, GPa 210
70
Elongation at Break, % 34
3.4 to 9.0
Fatigue Strength, MPa 280
76 to 82
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 80
26
Tensile Strength: Ultimate (UTS), MPa 740
280 to 290
Tensile Strength: Yield (Proof), MPa 350
210 to 230

Thermal Properties

Latent Heat of Fusion, J/g 310
500
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1460
610
Melting Onset (Solidus), °C 1410
600
Specific Heat Capacity, J/kg-K 460
910
Thermal Conductivity, W/m-K 12
150
Thermal Expansion, µm/m-K 15
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
41
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
140

Otherwise Unclassified Properties

Base Metal Price, % relative 33
9.5
Density, g/cm3 8.1
2.6
Embodied Carbon, kg CO2/kg material 6.2
8.0
Embodied Energy, MJ/kg 84
150
Embodied Water, L/kg 200
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
9.1 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 290
300 to 370
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
53
Strength to Weight: Axial, points 25
30 to 31
Strength to Weight: Bending, points 22
37 to 38
Thermal Diffusivity, mm2/s 3.2
66
Thermal Shock Resistance, points 17
13

Alloy Composition

Aluminum (Al), % 0
91.3 to 93.3
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 20 to 22
0
Copper (Cu), % 0 to 0.75
0 to 0.050
Iron (Fe), % 41.4 to 50.3
0 to 0.19
Magnesium (Mg), % 0
0.25 to 0.45
Manganese (Mn), % 0 to 2.0
0 to 0.1
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 23.5 to 25.5
0
Nitrogen (N), % 0.18 to 0.25
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
6.5 to 7.5
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.070
Residuals, % 0
0 to 0.1