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2219 Aluminum vs. S30600 Stainless Steel

2219 aluminum belongs to the aluminum alloys classification, while S30600 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 2219 aluminum and the bottom bar is S30600 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
190
Elongation at Break, % 2.2 to 20
45
Fatigue Strength, MPa 90 to 130
250
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
76
Shear Strength, MPa 110 to 280
430
Tensile Strength: Ultimate (UTS), MPa 180 to 480
610
Tensile Strength: Yield (Proof), MPa 88 to 390
270

Thermal Properties

Latent Heat of Fusion, J/g 390
350
Maximum Temperature: Mechanical, °C 230
950
Melting Completion (Liquidus), °C 640
1380
Melting Onset (Solidus), °C 540
1330
Specific Heat Capacity, J/kg-K 870
490
Thermal Conductivity, W/m-K 110 to 170
14
Thermal Expansion, µm/m-K 22
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28 to 44
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 81 to 130
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
19
Density, g/cm3 3.1
7.6
Embodied Carbon, kg CO2/kg material 8.2
3.6
Embodied Energy, MJ/kg 150
51
Embodied Water, L/kg 1130
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.6 to 60
220
Resilience: Unit (Modulus of Resilience), kJ/m3 54 to 1060
190
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 44
25
Strength to Weight: Axial, points 16 to 43
22
Strength to Weight: Bending, points 23 to 44
21
Thermal Diffusivity, mm2/s 42 to 63
3.7
Thermal Shock Resistance, points 8.2 to 22
14

Alloy Composition

Aluminum (Al), % 91.5 to 93.8
0
Carbon (C), % 0
0 to 0.018
Chromium (Cr), % 0
17 to 18.5
Copper (Cu), % 5.8 to 6.8
0 to 0.5
Iron (Fe), % 0 to 0.3
58.9 to 65.3
Magnesium (Mg), % 0 to 0.020
0
Manganese (Mn), % 0.2 to 0.4
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0
14 to 15.5
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.2
3.7 to 4.3
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0.020 to 0.1
0
Vanadium (V), % 0.050 to 0.15
0
Zinc (Zn), % 0 to 0.1
0
Zirconium (Zr), % 0.1 to 0.25
0
Residuals, % 0 to 0.15
0