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2219 Aluminum vs. ASTM A202 Steel

2219 aluminum belongs to the aluminum alloys classification, while ASTM A202 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, 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 ASTM A202 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
190
Elongation at Break, % 2.2 to 20
17 to 18
Fatigue Strength, MPa 90 to 130
240
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Shear Strength, MPa 110 to 280
360 to 410
Tensile Strength: Ultimate (UTS), MPa 180 to 480
590 to 670
Tensile Strength: Yield (Proof), MPa 88 to 390
350 to 360

Thermal Properties

Latent Heat of Fusion, J/g 390
260
Maximum Temperature: Mechanical, °C 230
410
Melting Completion (Liquidus), °C 640
1450
Melting Onset (Solidus), °C 540
1410
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 110 to 170
52
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28 to 44
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 81 to 130
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.1
Density, g/cm3 3.1
7.8
Embodied Carbon, kg CO2/kg material 8.2
1.4
Embodied Energy, MJ/kg 150
19
Embodied Water, L/kg 1130
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.6 to 60
93 to 96
Resilience: Unit (Modulus of Resilience), kJ/m3 54 to 1060
330 to 350
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 44
24
Strength to Weight: Axial, points 16 to 43
21 to 24
Strength to Weight: Bending, points 23 to 44
20 to 22
Thermal Diffusivity, mm2/s 42 to 63
14
Thermal Shock Resistance, points 8.2 to 22
17 to 20

Comparable Variants