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AISI 301L Stainless Steel vs. B390.0 Aluminum

AISI 301L stainless steel belongs to the iron alloys classification, while B390.0 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 301L stainless steel and the bottom bar is B390.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
76
Elongation at Break, % 22 to 50
0.88
Fatigue Strength, MPa 240 to 530
170
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
29
Tensile Strength: Ultimate (UTS), MPa 620 to 1040
320
Tensile Strength: Yield (Proof), MPa 250 to 790
250

Thermal Properties

Latent Heat of Fusion, J/g 280
640
Maximum Temperature: Mechanical, °C 890
170
Melting Completion (Liquidus), °C 1430
580
Melting Onset (Solidus), °C 1390
580
Specific Heat Capacity, J/kg-K 480
880
Thermal Conductivity, W/m-K 15
130
Thermal Expansion, µm/m-K 16
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
88

Otherwise Unclassified Properties

Base Metal Price, % relative 13
11
Density, g/cm3 7.8
2.8
Embodied Carbon, kg CO2/kg material 2.7
7.3
Embodied Energy, MJ/kg 39
130
Embodied Water, L/kg 130
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 300
2.6
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1580
410
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
51
Strength to Weight: Axial, points 22 to 37
32
Strength to Weight: Bending, points 21 to 29
38
Thermal Diffusivity, mm2/s 4.1
55
Thermal Shock Resistance, points 14 to 24
15

Alloy Composition

Aluminum (Al), % 0
72.7 to 79.6
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
4.0 to 5.0
Iron (Fe), % 70.7 to 78
0 to 1.3
Magnesium (Mg), % 0
0.45 to 0.65
Manganese (Mn), % 0 to 2.0
0 to 0.5
Nickel (Ni), % 6.0 to 8.0
0 to 0.1
Nitrogen (N), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
16 to 18
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 1.5
Residuals, % 0
0 to 0.2