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SAE-AISI 50B60 Steel vs. 6360 Aluminum

SAE-AISI 50B60 steel belongs to the iron alloys classification, while 6360 aluminum belongs to the aluminum alloys. There are 30 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 50B60 steel and the bottom bar is 6360 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
68
Elongation at Break, % 12 to 20
9.0 to 18
Fatigue Strength, MPa 240 to 330
31 to 67
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
26
Shear Strength, MPa 380
76 to 130
Tensile Strength: Ultimate (UTS), MPa 610 to 630
120 to 220
Tensile Strength: Yield (Proof), MPa 350 to 530
57 to 170

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Maximum Temperature: Mechanical, °C 410
160
Melting Completion (Liquidus), °C 1450
640
Melting Onset (Solidus), °C 1410
630
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 45
210
Thermal Expansion, µm/m-K 12
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
54
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
180

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
9.5
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 1.4
8.3
Embodied Energy, MJ/kg 19
150
Embodied Water, L/kg 48
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 100
14 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 750
24 to 210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 22 to 23
13 to 23
Strength to Weight: Bending, points 20 to 21
20 to 30
Thermal Diffusivity, mm2/s 12
86
Thermal Shock Resistance, points 20
5.5 to 9.9

Alloy Composition

Aluminum (Al), % 0
97.8 to 99.3
Boron (B), % 0.00050 to 0.0030
0
Carbon (C), % 0.56 to 0.64
0
Chromium (Cr), % 0.4 to 0.6
0 to 0.050
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 97.3 to 98.1
0.1 to 0.3
Magnesium (Mg), % 0
0.25 to 0.45
Manganese (Mn), % 0.75 to 1.0
0.020 to 0.15
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
0.35 to 0.8
Sulfur (S), % 0 to 0.040
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15