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6262 Aluminum vs. SAE-AISI 50B50 Steel

6262 aluminum belongs to the aluminum alloys classification, while SAE-AISI 50B50 steel belongs to the iron 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 6262 aluminum and the bottom bar is SAE-AISI 50B50 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 4.6 to 10
22
Fatigue Strength, MPa 90 to 110
260
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 170 to 240
370
Tensile Strength: Ultimate (UTS), MPa 290 to 390
590
Tensile Strength: Yield (Proof), MPa 270 to 360
370

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 160
410
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 580
1410
Specific Heat Capacity, J/kg-K 890
470
Thermal Conductivity, W/m-K 170
45
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.0
Density, g/cm3 2.8
7.8
Embodied Carbon, kg CO2/kg material 8.3
1.4
Embodied Energy, MJ/kg 150
19
Embodied Water, L/kg 1190
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 31
110
Resilience: Unit (Modulus of Resilience), kJ/m3 530 to 940
370
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 48
24
Strength to Weight: Axial, points 29 to 39
21
Strength to Weight: Bending, points 35 to 42
20
Thermal Diffusivity, mm2/s 69
12
Thermal Shock Resistance, points 13 to 18
17

Alloy Composition

Aluminum (Al), % 94.7 to 97.8
0
Bismuth (Bi), % 0.4 to 0.7
0
Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0
0.48 to 0.53
Chromium (Cr), % 0.040 to 0.14
0.4 to 0.6
Copper (Cu), % 0.15 to 0.4
0
Iron (Fe), % 0 to 0.7
97.4 to 98.2
Lead (Pb), % 0.4 to 0.7
0
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0 to 0.15
0.75 to 1.0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0.4 to 0.8
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0