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319.0 Aluminum vs. ASTM A514 Steel

319.0 aluminum belongs to the aluminum alloys classification, while ASTM A514 steel belongs to the iron alloys. There are 31 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 319.0 aluminum and the bottom bar is ASTM A514 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 78 to 84
240 to 250
Elastic (Young's, Tensile) Modulus, GPa 72
190
Elongation at Break, % 1.8 to 2.0
18 to 21
Fatigue Strength, MPa 76 to 80
470 to 540
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Shear Strength, MPa 170 to 210
490 to 520
Tensile Strength: Ultimate (UTS), MPa 190 to 240
790 to 830
Tensile Strength: Yield (Proof), MPa 110 to 180
690 to 770

Thermal Properties

Latent Heat of Fusion, J/g 480
250 to 260
Maximum Temperature: Mechanical, °C 170
400 to 440
Melting Completion (Liquidus), °C 600
1460
Melting Onset (Solidus), °C 540
1420
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 110
37 to 51
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.2 to 7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 84
8.3 to 8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.3 to 3.8
Density, g/cm3 2.9
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 7.7
1.6 to 1.8
Embodied Energy, MJ/kg 140
21 to 25
Embodied Water, L/kg 1080
48 to 57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.3 to 3.9
140 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 88 to 220
1280 to 1590
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 48
24
Strength to Weight: Axial, points 18 to 24
28 to 29
Strength to Weight: Bending, points 25 to 30
24 to 25
Thermal Diffusivity, mm2/s 44
10 to 14
Thermal Shock Resistance, points 8.6 to 11
23 to 24