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ASTM A266 Carbon Steel vs. 514.0 Aluminum

ASTM A266 carbon steel belongs to the iron alloys classification, while 514.0 aluminum belongs to the aluminum alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, 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 ASTM A266 carbon steel and the bottom bar is 514.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
50
Elastic (Young's, Tensile) Modulus, GPa 190
68
Elongation at Break, % 21 to 26
7.3
Fatigue Strength, MPa 170 to 200
48
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
25
Shear Strength, MPa 320 to 380
140
Tensile Strength: Ultimate (UTS), MPa 500 to 600
180
Tensile Strength: Yield (Proof), MPa 230 to 290
74

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1460
640
Melting Onset (Solidus), °C 1420
610
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 51 to 52
140
Thermal Expansion, µm/m-K 12
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
35
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1 to 8.2
120

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
9.5
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 1.4
8.9
Embodied Energy, MJ/kg 18 to 19
150
Embodied Water, L/kg 46 to 47
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
11
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 230
41
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
51
Strength to Weight: Axial, points 18 to 21
19
Strength to Weight: Bending, points 18 to 20
26
Thermal Diffusivity, mm2/s 14
57
Thermal Shock Resistance, points 16 to 19
7.9