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AISI 420 Stainless Steel vs. 5652 Aluminum

AISI 420 stainless steel belongs to the iron alloys classification, while 5652 aluminum belongs to the aluminum alloys. There are 31 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 AISI 420 stainless steel and the bottom bar is 5652 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
47 to 77
Elastic (Young's, Tensile) Modulus, GPa 190
68
Elongation at Break, % 8.0 to 15
6.8 to 25
Fatigue Strength, MPa 220 to 670
60 to 140
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
26
Shear Strength, MPa 420 to 1010
110 to 170
Tensile Strength: Ultimate (UTS), MPa 690 to 1720
190 to 290
Tensile Strength: Yield (Proof), MPa 380 to 1310
74 to 260

Thermal Properties

Latent Heat of Fusion, J/g 280
400
Maximum Temperature: Mechanical, °C 620
190
Melting Completion (Liquidus), °C 1510
650
Melting Onset (Solidus), °C 1450
610
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 27
140
Thermal Expansion, µm/m-K 10
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
35
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
120

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
9.5
Density, g/cm3 7.7
2.7
Embodied Carbon, kg CO2/kg material 2.0
8.6
Embodied Energy, MJ/kg 28
150
Embodied Water, L/kg 100
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 130
12 to 39
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 4410
40 to 480
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
51
Strength to Weight: Axial, points 25 to 62
20 to 30
Strength to Weight: Bending, points 22 to 41
27 to 36
Thermal Diffusivity, mm2/s 7.3
57
Thermal Shock Resistance, points 25 to 62
8.4 to 13

Alloy Composition

Aluminum (Al), % 0
95.8 to 97.7
Carbon (C), % 0.15 to 0.4
0
Chromium (Cr), % 12 to 14
0.15 to 0.35
Copper (Cu), % 0
0 to 0.040
Iron (Fe), % 82.3 to 87.9
0 to 0.4
Magnesium (Mg), % 0
2.2 to 2.8
Manganese (Mn), % 0 to 1.0
0 to 0.010
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.75
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15

Comparable Variants