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A390.0 Aluminum vs. AISI 301L Stainless Steel

A390.0 aluminum belongs to the aluminum alloys classification, while AISI 301L stainless steel belongs to the iron 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 A390.0 aluminum and the bottom bar is AISI 301L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 140
210 to 320
Elastic (Young's, Tensile) Modulus, GPa 75
200
Elongation at Break, % 0.87 to 0.91
22 to 50
Fatigue Strength, MPa 70 to 100
240 to 530
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
77
Tensile Strength: Ultimate (UTS), MPa 190 to 290
620 to 1040
Tensile Strength: Yield (Proof), MPa 190 to 290
250 to 790

Thermal Properties

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 67
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
13
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 7.3
2.7
Embodied Energy, MJ/kg 140
39
Embodied Water, L/kg 950
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.6 to 2.6
210 to 300
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 580
160 to 1580
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 52
25
Strength to Weight: Axial, points 19 to 30
22 to 37
Strength to Weight: Bending, points 27 to 36
21 to 29
Thermal Diffusivity, mm2/s 56
4.1
Thermal Shock Resistance, points 9.0 to 14
14 to 24

Alloy Composition

Aluminum (Al), % 75.3 to 79.6
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 4.0 to 5.0
0
Iron (Fe), % 0 to 0.5
70.7 to 78
Magnesium (Mg), % 0.45 to 0.65
0
Manganese (Mn), % 0 to 0.1
0 to 2.0
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0
0 to 0.2
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 16 to 18
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.2
0