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5252 Aluminum vs. SAE-AISI 5130 Steel

5252 aluminum belongs to the aluminum alloys classification, while SAE-AISI 5130 steel belongs to the iron 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 5252 aluminum and the bottom bar is SAE-AISI 5130 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 68 to 75
150 to 190
Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 4.5 to 11
12 to 22
Fatigue Strength, MPa 100 to 110
230 to 330
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
73
Shear Strength, MPa 140 to 160
310 to 390
Tensile Strength: Ultimate (UTS), MPa 230 to 290
500 to 640
Tensile Strength: Yield (Proof), MPa 170 to 240
330 to 530

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 180
420
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 610
1420
Specific Heat Capacity, J/kg-K 910
470
Thermal Conductivity, W/m-K 140
45
Thermal Expansion, µm/m-K 24
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 120
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.2
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.7
1.4
Embodied Energy, MJ/kg 160
19
Embodied Water, L/kg 1190
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 23
74 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 430
290 to 750
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
24
Strength to Weight: Axial, points 23 to 30
18 to 23
Strength to Weight: Bending, points 31 to 36
18 to 21
Thermal Diffusivity, mm2/s 57
12
Thermal Shock Resistance, points 10 to 13
16 to 20

Alloy Composition

Aluminum (Al), % 96.6 to 97.8
0
Carbon (C), % 0
0.28 to 0.33
Chromium (Cr), % 0
0.8 to 1.1
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.1
97.2 to 98.1
Magnesium (Mg), % 2.2 to 2.8
0
Manganese (Mn), % 0 to 0.1
0.7 to 0.9
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.080
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.050
0
Residuals, % 0 to 0.1
0