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EN AC-51500 Aluminum vs. AISI 301L Stainless Steel

EN AC-51500 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 EN AC-51500 aluminum and the bottom bar is AISI 301L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
210 to 320
Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 5.6
22 to 50
Fatigue Strength, MPa 120
240 to 530
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
77
Tensile Strength: Ultimate (UTS), MPa 280
620 to 1040
Tensile Strength: Yield (Proof), MPa 160
250 to 790

Thermal Properties

Latent Heat of Fusion, J/g 430
280
Maximum Temperature: Mechanical, °C 170
890
Melting Completion (Liquidus), °C 630
1430
Melting Onset (Solidus), °C 590
1390
Specific Heat Capacity, J/kg-K 910
480
Thermal Conductivity, W/m-K 120
15
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 88
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.6
7.8
Embodied Carbon, kg CO2/kg material 9.0
2.7
Embodied Energy, MJ/kg 150
39
Embodied Water, L/kg 1150
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
210 to 300
Resilience: Unit (Modulus of Resilience), kJ/m3 190
160 to 1580
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 52
25
Strength to Weight: Axial, points 29
22 to 37
Strength to Weight: Bending, points 36
21 to 29
Thermal Diffusivity, mm2/s 49
4.1
Thermal Shock Resistance, points 13
14 to 24

Alloy Composition

Aluminum (Al), % 89.8 to 93.1
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.25
70.7 to 78
Magnesium (Mg), % 4.7 to 6.0
0
Manganese (Mn), % 0.4 to 0.8
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), % 1.8 to 2.6
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.15
0