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6013 Aluminum vs. AISI 420 Stainless Steel

6013 aluminum belongs to the aluminum alloys classification, while AISI 420 stainless steel belongs to the iron alloys. There are 30 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 6013 aluminum and the bottom bar is AISI 420 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 3.4 to 22
8.0 to 15
Fatigue Strength, MPa 98 to 140
220 to 670
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
76
Shear Strength, MPa 190 to 240
420 to 1010
Tensile Strength: Ultimate (UTS), MPa 310 to 410
690 to 1720
Tensile Strength: Yield (Proof), MPa 170 to 350
380 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 410
280
Maximum Temperature: Mechanical, °C 160
620
Melting Completion (Liquidus), °C 650
1510
Melting Onset (Solidus), °C 580
1450
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 150
27
Thermal Expansion, µm/m-K 23
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 120
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
7.5
Density, g/cm3 2.8
7.7
Embodied Carbon, kg CO2/kg material 8.3
2.0
Embodied Energy, MJ/kg 150
28
Embodied Water, L/kg 1170
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 58
88 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 900
380 to 4410
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
25
Strength to Weight: Axial, points 31 to 41
25 to 62
Strength to Weight: Bending, points 37 to 44
22 to 41
Thermal Diffusivity, mm2/s 60
7.3
Thermal Shock Resistance, points 14 to 18
25 to 62

Alloy Composition

Aluminum (Al), % 94.8 to 97.8
0
Carbon (C), % 0
0.15 to 0.4
Chromium (Cr), % 0 to 0.1
12 to 14
Copper (Cu), % 0.6 to 1.1
0
Iron (Fe), % 0 to 0.5
82.3 to 87.9
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0.2 to 0.8
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 0.75
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.6 to 1.0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0