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ASTM A514 Steel vs. EN AC-44500 Aluminum

ASTM A514 steel belongs to the iron alloys classification, while EN AC-44500 aluminum belongs to the aluminum 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 ASTM A514 steel and the bottom bar is EN AC-44500 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240 to 250
68
Elastic (Young's, Tensile) Modulus, GPa 190
72
Elongation at Break, % 18 to 21
1.1
Fatigue Strength, MPa 470 to 540
110
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
27
Tensile Strength: Ultimate (UTS), MPa 790 to 830
270
Tensile Strength: Yield (Proof), MPa 690 to 770
160

Thermal Properties

Latent Heat of Fusion, J/g 250 to 260
570
Maximum Temperature: Mechanical, °C 400 to 440
170
Melting Completion (Liquidus), °C 1460
590
Melting Onset (Solidus), °C 1420
580
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 37 to 51
130
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2 to 7.6
33
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3 to 8.8
120

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3 to 3.8
9.5
Density, g/cm3 7.8 to 7.9
2.5
Embodied Carbon, kg CO2/kg material 1.6 to 1.8
7.7
Embodied Energy, MJ/kg 21 to 25
140
Embodied Water, L/kg 48 to 57
1050

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 170
2.6
Resilience: Unit (Modulus of Resilience), kJ/m3 1280 to 1590
180
Stiffness to Weight: Axial, points 13
16
Stiffness to Weight: Bending, points 24
55
Strength to Weight: Axial, points 28 to 29
29
Strength to Weight: Bending, points 24 to 25
36
Thermal Diffusivity, mm2/s 10 to 14
57
Thermal Shock Resistance, points 23 to 24
13