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4145 Aluminum vs. 6262 Aluminum

Both 4145 aluminum and 6262 aluminum are aluminum alloys. They have 87% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 4145 aluminum and the bottom bar is 6262 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
68
Elongation at Break, % 2.2
4.6 to 10
Fatigue Strength, MPa 48
90 to 110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
26
Shear Strength, MPa 69
170 to 240
Tensile Strength: Ultimate (UTS), MPa 120
290 to 390
Tensile Strength: Yield (Proof), MPa 68
270 to 360

Thermal Properties

Latent Heat of Fusion, J/g 540
400
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 590
650
Melting Onset (Solidus), °C 520
580
Specific Heat Capacity, J/kg-K 880
890
Thermal Conductivity, W/m-K 100
170
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
44
Electrical Conductivity: Equal Weight (Specific), % IACS 84
140

Otherwise Unclassified Properties

Base Metal Price, % relative 10
10
Density, g/cm3 2.8
2.8
Embodied Carbon, kg CO2/kg material 7.6
8.3
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1040
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
17 to 31
Resilience: Unit (Modulus of Resilience), kJ/m3 31
530 to 940
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
48
Strength to Weight: Axial, points 12
29 to 39
Strength to Weight: Bending, points 19
35 to 42
Thermal Diffusivity, mm2/s 42
69
Thermal Shock Resistance, points 5.5
13 to 18

Alloy Composition

Aluminum (Al), % 83 to 87.4
94.7 to 97.8
Bismuth (Bi), % 0
0.4 to 0.7
Chromium (Cr), % 0 to 0.15
0.040 to 0.14
Copper (Cu), % 3.3 to 4.7
0.15 to 0.4
Iron (Fe), % 0 to 0.8
0 to 0.7
Lead (Pb), % 0
0.4 to 0.7
Magnesium (Mg), % 0 to 0.15
0.8 to 1.2
Manganese (Mn), % 0 to 0.15
0 to 0.15
Silicon (Si), % 9.3 to 10.7
0.4 to 0.8
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0 to 0.2
0 to 0.25
Residuals, % 0
0 to 0.15