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AISI 409Cb Stainless Steel vs. EN AC-46200 Aluminum

AISI 409Cb stainless steel belongs to the iron alloys classification, while EN AC-46200 aluminum belongs to the aluminum alloys. There are 29 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 AISI 409Cb stainless steel and the bottom bar is EN AC-46200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
73
Elongation at Break, % 24
1.1
Fatigue Strength, MPa 140
87
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 75
27
Tensile Strength: Ultimate (UTS), MPa 420
210
Tensile Strength: Yield (Proof), MPa 200
130

Thermal Properties

Latent Heat of Fusion, J/g 270
510
Maximum Temperature: Mechanical, °C 710
170
Melting Completion (Liquidus), °C 1450
620
Melting Onset (Solidus), °C 1410
540
Specific Heat Capacity, J/kg-K 480
880
Thermal Conductivity, W/m-K 25
110
Thermal Expansion, µm/m-K 10
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
28
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
88

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
10
Density, g/cm3 7.8
2.8
Embodied Carbon, kg CO2/kg material 2.2
7.7
Embodied Energy, MJ/kg 31
140
Embodied Water, L/kg 94
1060

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
2.0
Resilience: Unit (Modulus of Resilience), kJ/m3 100
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 15
21
Strength to Weight: Bending, points 16
28
Thermal Diffusivity, mm2/s 6.7
44
Thermal Shock Resistance, points 15
9.5

Alloy Composition

Aluminum (Al), % 0
82.6 to 90.3
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 10.5 to 11.7
0
Copper (Cu), % 0
2.0 to 3.5
Iron (Fe), % 84.9 to 89.5
0 to 0.8
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 0
0.050 to 0.55
Manganese (Mn), % 0 to 1.0
0.15 to 0.65
Nickel (Ni), % 0 to 0.5
0 to 0.35
Niobium (Nb), % 0 to 0.75
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
7.5 to 9.5
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 1.2
Residuals, % 0
0 to 0.25