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AISI 303 Stainless Steel vs. 1060 Aluminum

AISI 303 stainless steel belongs to the iron alloys classification, while 1060 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 303 stainless steel and the bottom bar is 1060 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
68
Elongation at Break, % 40 to 51
1.1 to 30
Fatigue Strength, MPa 230 to 360
15 to 50
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
26
Shear Strength, MPa 430 to 470
42 to 75
Tensile Strength: Ultimate (UTS), MPa 600 to 690
67 to 130
Tensile Strength: Yield (Proof), MPa 230 to 420
17 to 110

Thermal Properties

Latent Heat of Fusion, J/g 290
400
Maximum Temperature: Mechanical, °C 930
170
Melting Completion (Liquidus), °C 1450
660
Melting Onset (Solidus), °C 1400
650
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 16
230
Thermal Expansion, µm/m-K 17
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
62
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
210

Otherwise Unclassified Properties

Base Metal Price, % relative 15
9.5
Calomel Potential, mV -80
-750
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 3.0
8.3
Embodied Energy, MJ/kg 42
160
Embodied Water, L/kg 140
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
0.57 to 37
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 440
2.1 to 89
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 21 to 25
6.9 to 13
Strength to Weight: Bending, points 20 to 22
14 to 21
Thermal Diffusivity, mm2/s 4.4
96
Thermal Shock Resistance, points 13 to 15
3.0 to 5.6

Alloy Composition

Aluminum (Al), % 0
99.6 to 100
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
0 to 0.050
Iron (Fe), % 67.3 to 74.9
0 to 0.35
Magnesium (Mg), % 0
0 to 0.030
Manganese (Mn), % 0 to 2.0
0 to 0.030
Nickel (Ni), % 8.0 to 10
0
Phosphorus (P), % 0 to 0.2
0
Silicon (Si), % 0 to 1.0
0 to 0.25
Sulfur (S), % 0.15 to 0.35
0
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0
0 to 0.050

Comparable Variants