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380.0 Aluminum vs. SAE-AISI 5130 Steel

380.0 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 380.0 aluminum and the bottom bar is SAE-AISI 5130 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
150 to 190
Elastic (Young's, Tensile) Modulus, GPa 74
190
Elongation at Break, % 3.0
12 to 22
Fatigue Strength, MPa 140
230 to 330
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
73
Shear Strength, MPa 190
310 to 390
Tensile Strength: Ultimate (UTS), MPa 320
500 to 640
Tensile Strength: Yield (Proof), MPa 160
330 to 530

Thermal Properties

Latent Heat of Fusion, J/g 510
250
Maximum Temperature: Mechanical, °C 170
420
Melting Completion (Liquidus), °C 590
1460
Melting Onset (Solidus), °C 540
1420
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 100
45
Thermal Expansion, µm/m-K 22
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 83
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.2
Density, g/cm3 2.9
7.8
Embodied Carbon, kg CO2/kg material 7.5
1.4
Embodied Energy, MJ/kg 140
19
Embodied Water, L/kg 1040
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0
74 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 170
290 to 750
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 48
24
Strength to Weight: Axial, points 31
18 to 23
Strength to Weight: Bending, points 36
18 to 21
Thermal Diffusivity, mm2/s 40
12
Thermal Shock Resistance, points 14
16 to 20

Alloy Composition

Aluminum (Al), % 79.6 to 89.5
0
Carbon (C), % 0
0.28 to 0.33
Chromium (Cr), % 0
0.8 to 1.1
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 0 to 2.0
97.2 to 98.1
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0.7 to 0.9
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 7.5 to 9.5
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0 to 0.35
0
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0 to 0.5
0