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AISI 439 Stainless Steel vs. 213.0 Aluminum

AISI 439 stainless steel belongs to the iron alloys classification, while 213.0 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (6, 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 439 stainless steel and the bottom bar is 213.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
85
Elastic (Young's, Tensile) Modulus, GPa 200
73
Elongation at Break, % 23
1.5
Fatigue Strength, MPa 170
93
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
28
Tensile Strength: Ultimate (UTS), MPa 490
190
Tensile Strength: Yield (Proof), MPa 250
130

Thermal Properties

Latent Heat of Fusion, J/g 280
410
Maximum Temperature: Mechanical, °C 890
170
Melting Completion (Liquidus), °C 1510
670
Melting Onset (Solidus), °C 1430
480
Specific Heat Capacity, J/kg-K 480
850
Thermal Conductivity, W/m-K 25
130
Thermal Expansion, µm/m-K 11
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
34
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
94

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
11
Density, g/cm3 7.7
3.2
Embodied Carbon, kg CO2/kg material 2.3
7.7
Embodied Energy, MJ/kg 34
140
Embodied Water, L/kg 120
1090

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
2.5
Resilience: Unit (Modulus of Resilience), kJ/m3 160
120
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
44
Strength to Weight: Axial, points 18
16
Strength to Weight: Bending, points 18
23
Thermal Diffusivity, mm2/s 6.7
49
Thermal Shock Resistance, points 16
8.0

Alloy Composition

Aluminum (Al), % 0 to 0.15
83.5 to 93
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
6.0 to 8.0
Iron (Fe), % 77.1 to 82.8
0 to 1.2
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 1.0
0 to 0.6
Nickel (Ni), % 0 to 0.5
0 to 0.35
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
1.0 to 3.0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0.2 to 1.1
0 to 0.25
Zinc (Zn), % 0
0 to 2.5
Residuals, % 0
0 to 0.5