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N08330 Stainless Steel vs. 4104 Aluminum

N08330 stainless steel belongs to the iron alloys classification, while 4104 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 N08330 stainless steel and the bottom bar is 4104 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
71
Elongation at Break, % 34
2.4
Fatigue Strength, MPa 190
42
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
27
Shear Strength, MPa 360
63
Tensile Strength: Ultimate (UTS), MPa 550
110
Tensile Strength: Yield (Proof), MPa 230
60

Thermal Properties

Latent Heat of Fusion, J/g 310
540
Maximum Temperature: Mechanical, °C 1050
160
Melting Completion (Liquidus), °C 1390
600
Melting Onset (Solidus), °C 1340
560
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 12
130
Thermal Expansion, µm/m-K 16
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
33
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
120

Otherwise Unclassified Properties

Base Metal Price, % relative 32
9.5
Density, g/cm3 8.0
2.6
Embodied Carbon, kg CO2/kg material 5.4
8.0
Embodied Energy, MJ/kg 77
150
Embodied Water, L/kg 190
1080

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 140
25
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
54
Strength to Weight: Axial, points 19
12
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 3.1
58
Thermal Shock Resistance, points 13
5.1

Alloy Composition

Aluminum (Al), % 0
85.8 to 90
Bismuth (Bi), % 0
0.020 to 0.2
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 17 to 20
0
Copper (Cu), % 0 to 1.0
0 to 0.25
Iron (Fe), % 38.3 to 48.3
0 to 0.8
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0
1.0 to 2.0
Manganese (Mn), % 0 to 2.0
0 to 0.1
Nickel (Ni), % 34 to 37
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.75 to 1.5
9.0 to 10.5
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0 to 0.025
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.15