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SAE-AISI 1552 Steel vs. 5454 Aluminum

SAE-AISI 1552 steel belongs to the iron alloys classification, while 5454 aluminum belongs to the aluminum 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 SAE-AISI 1552 steel and the bottom bar is 5454 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 250
61 to 93
Elastic (Young's, Tensile) Modulus, GPa 190
69
Elongation at Break, % 11 to 14
2.3 to 18
Fatigue Strength, MPa 290 to 400
83 to 160
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
26
Shear Strength, MPa 460 to 510
140 to 200
Tensile Strength: Ultimate (UTS), MPa 760 to 840
230 to 350
Tensile Strength: Yield (Proof), MPa 460 to 650
97 to 290

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Maximum Temperature: Mechanical, °C 400
190
Melting Completion (Liquidus), °C 1460
650
Melting Onset (Solidus), °C 1420
600
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 51
130
Thermal Expansion, µm/m-K 11
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
34
Electrical Conductivity: Equal Weight (Specific), % IACS 12
110

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
8.6
Embodied Energy, MJ/kg 19
150
Embodied Water, L/kg 47
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 98
6.3 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 560 to 1130
68 to 590
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 27 to 30
23 to 36
Strength to Weight: Bending, points 24 to 25
30 to 41
Thermal Diffusivity, mm2/s 14
55
Thermal Shock Resistance, points 26 to 29
10 to 16

Alloy Composition

Aluminum (Al), % 0
94.5 to 97.1
Carbon (C), % 0.47 to 0.55
0
Chromium (Cr), % 0
0.050 to 0.2
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 97.9 to 98.3
0 to 0.4
Magnesium (Mg), % 0
2.4 to 3.0
Manganese (Mn), % 1.2 to 1.5
0.5 to 1.0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0
0 to 0.25
Sulfur (S), % 0 to 0.050
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15