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SAE-AISI 1524 Steel vs. 238.0 Aluminum

SAE-AISI 1524 steel belongs to the iron alloys classification, while 238.0 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 SAE-AISI 1524 steel and the bottom bar is 238.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
76
Elongation at Break, % 14 to 22
1.5
Fatigue Strength, MPa 230 to 340
110
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
28
Tensile Strength: Ultimate (UTS), MPa 570 to 650
210
Tensile Strength: Yield (Proof), MPa 320 to 540
170

Thermal Properties

Latent Heat of Fusion, J/g 250
430
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1460
600
Melting Onset (Solidus), °C 1420
510
Specific Heat Capacity, J/kg-K 470
840
Thermal Conductivity, W/m-K 52
100
Thermal Expansion, µm/m-K 12
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
25
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
67

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
12
Density, g/cm3 7.8
3.4
Embodied Carbon, kg CO2/kg material 1.4
7.4
Embodied Energy, MJ/kg 19
140
Embodied Water, L/kg 48
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84 to 110
2.9
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 760
180
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
42
Strength to Weight: Axial, points 20 to 23
17
Strength to Weight: Bending, points 19 to 21
23
Thermal Diffusivity, mm2/s 14
37
Thermal Shock Resistance, points 18 to 21
9.1

Alloy Composition

Aluminum (Al), % 0
81.9 to 84.9
Carbon (C), % 0.19 to 0.25
0
Copper (Cu), % 0
9.5 to 10.5
Iron (Fe), % 98 to 98.5
1.0 to 1.5
Magnesium (Mg), % 0
0 to 0.25
Manganese (Mn), % 1.4 to 1.7
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0
3.6 to 4.4
Sulfur (S), % 0 to 0.050
0
Zinc (Zn), % 0
1.0 to 1.5