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5754 Aluminum vs. SAE-AISI 4130 Steel

5754 aluminum belongs to the aluminum alloys classification, while SAE-AISI 4130 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 5754 aluminum and the bottom bar is SAE-AISI 4130 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 52 to 88
200 to 300
Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 2.0 to 19
13 to 26
Fatigue Strength, MPa 66 to 140
320 to 660
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 120 to 190
340 to 640
Tensile Strength: Ultimate (UTS), MPa 200 to 330
530 to 1040
Tensile Strength: Yield (Proof), MPa 80 to 280
440 to 980

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 190
420
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 600
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 130
43
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 110
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.4
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.7
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 1180
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1 to 32
83 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 47 to 580
500 to 2550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 21 to 34
19 to 37
Strength to Weight: Bending, points 28 to 39
19 to 29
Thermal Diffusivity, mm2/s 54
12
Thermal Shock Resistance, points 8.9 to 14
16 to 31

Alloy Composition

Aluminum (Al), % 94.2 to 97.4
0
Carbon (C), % 0
0.28 to 0.33
Chromium (Cr), % 0 to 0.3
0.8 to 1.1
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.4
97.3 to 98.2
Magnesium (Mg), % 2.6 to 3.6
0
Manganese (Mn), % 0 to 0.5
0.4 to 0.6
Molybdenum (Mo), % 0
0.15 to 0.25
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.4
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0

Comparable Variants