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ASTM A514 Steel vs. 357.0 Aluminum

ASTM A514 steel belongs to the iron alloys classification, while 357.0 aluminum belongs to the aluminum alloys. 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 357.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240 to 250
95
Elastic (Young's, Tensile) Modulus, GPa 190
70
Elongation at Break, % 18 to 21
3.4
Fatigue Strength, MPa 470 to 540
76
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Shear Strength, MPa 490 to 520
200
Tensile Strength: Ultimate (UTS), MPa 790 to 830
350
Tensile Strength: Yield (Proof), MPa 690 to 770
300

Thermal Properties

Latent Heat of Fusion, J/g 250 to 260
500
Maximum Temperature: Mechanical, °C 400 to 440
170
Melting Completion (Liquidus), °C 1460
620
Melting Onset (Solidus), °C 1420
560
Specific Heat Capacity, J/kg-K 470
910
Thermal Conductivity, W/m-K 37 to 51
150
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2 to 7.6
39
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3 to 8.8
140

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3 to 3.8
9.5
Density, g/cm3 7.8 to 7.9
2.6
Embodied Carbon, kg CO2/kg material 1.6 to 1.8
8.0
Embodied Energy, MJ/kg 21 to 25
150
Embodied Water, L/kg 48 to 57
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 170
11
Resilience: Unit (Modulus of Resilience), kJ/m3 1280 to 1590
620
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
53
Strength to Weight: Axial, points 28 to 29
38
Strength to Weight: Bending, points 24 to 25
43
Thermal Diffusivity, mm2/s 10 to 14
64
Thermal Shock Resistance, points 23 to 24
17