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N08810 Stainless Steel vs. 384.0 Aluminum

N08810 stainless steel belongs to the iron alloys classification, while 384.0 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 N08810 stainless steel and the bottom bar is 384.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
74
Elongation at Break, % 33
2.5
Fatigue Strength, MPa 160
140
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
28
Shear Strength, MPa 340
200
Tensile Strength: Ultimate (UTS), MPa 520
330
Tensile Strength: Yield (Proof), MPa 200
170

Thermal Properties

Latent Heat of Fusion, J/g 300
550
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1400
580
Melting Onset (Solidus), °C 1350
530
Specific Heat Capacity, J/kg-K 480
870
Thermal Conductivity, W/m-K 12
96
Thermal Expansion, µm/m-K 14
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
22
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
69

Otherwise Unclassified Properties

Base Metal Price, % relative 30
11
Density, g/cm3 8.0
2.9
Embodied Carbon, kg CO2/kg material 5.3
7.4
Embodied Energy, MJ/kg 76
140
Embodied Water, L/kg 200
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
6.9
Resilience: Unit (Modulus of Resilience), kJ/m3 100
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
49
Strength to Weight: Axial, points 18
32
Strength to Weight: Bending, points 18
37
Thermal Diffusivity, mm2/s 3.0
39
Thermal Shock Resistance, points 13
15

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
77.3 to 86.5
Carbon (C), % 0.050 to 0.1
0
Chromium (Cr), % 19 to 23
0
Copper (Cu), % 0 to 0.75
3.0 to 4.5
Iron (Fe), % 39.5 to 50.7
0 to 1.3
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 1.5
0 to 0.5
Nickel (Ni), % 30 to 35
0 to 0.5
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
10.5 to 12
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.35
Titanium (Ti), % 0.15 to 0.6
0
Zinc (Zn), % 0
0 to 3.0
Residuals, % 0
0 to 0.5