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2219 Aluminum vs. AISI 310MoLN Stainless Steel

2219 aluminum belongs to the aluminum alloys classification, while AISI 310MoLN stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, 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 AISI 310MoLN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
200
Elongation at Break, % 2.2 to 20
28
Fatigue Strength, MPa 90 to 130
210
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
80
Shear Strength, MPa 110 to 280
400
Tensile Strength: Ultimate (UTS), MPa 180 to 480
610
Tensile Strength: Yield (Proof), MPa 88 to 390
290

Thermal Properties

Latent Heat of Fusion, J/g 390
300
Maximum Temperature: Mechanical, °C 230
1100
Melting Completion (Liquidus), °C 640
1420
Melting Onset (Solidus), °C 540
1380
Specific Heat Capacity, J/kg-K 870
470
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
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 81 to 130
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
28
Density, g/cm3 3.1
7.9
Embodied Carbon, kg CO2/kg material 8.2
5.0
Embodied Energy, MJ/kg 150
70
Embodied Water, L/kg 1130
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.6 to 60
140
Resilience: Unit (Modulus of Resilience), kJ/m3 54 to 1060
200
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 44
25
Strength to Weight: Axial, points 16 to 43
21
Strength to Weight: Bending, points 23 to 44
20
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 0.020
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 5.8 to 6.8
0
Iron (Fe), % 0 to 0.3
45.2 to 53.8
Magnesium (Mg), % 0 to 0.020
0
Manganese (Mn), % 0.2 to 0.4
0 to 2.0
Molybdenum (Mo), % 0
1.6 to 2.6
Nickel (Ni), % 0
20.5 to 23.5
Nitrogen (N), % 0
0.090 to 0.15
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.2
0 to 0.5
Sulfur (S), % 0
0 to 0.010
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