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Sintered 6061 Aluminum vs. 4343 Aluminum

Both sintered 6061 aluminum and 4343 aluminum are aluminum alloys. They have a moderately high 92% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is sintered 6061 aluminum and the bottom bar is 4343 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
71
Elongation at Break, % 0.5 to 6.0
4.4
Fatigue Strength, MPa 32 to 62
45
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
27
Tensile Strength: Ultimate (UTS), MPa 83 to 210
110
Tensile Strength: Yield (Proof), MPa 62 to 190
62

Thermal Properties

Latent Heat of Fusion, J/g 400
510
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 640
620
Melting Onset (Solidus), °C 610
580
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 200
180
Thermal Expansion, µm/m-K 23
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 52
44
Electrical Conductivity: Equal Weight (Specific), % IACS 170
150

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.6
Embodied Carbon, kg CO2/kg material 8.3
7.9
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 0.68 to 7.0
4.1
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 280
27
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 51
53
Strength to Weight: Axial, points 8.6 to 21
12
Strength to Weight: Bending, points 16 to 29
20
Thermal Diffusivity, mm2/s 81
77
Thermal Shock Resistance, points 3.8 to 9.4
5.2

Alloy Composition

Aluminum (Al), % 96 to 99.4
90.3 to 93.2
Copper (Cu), % 0 to 0.5
0 to 0.25
Iron (Fe), % 0
0 to 0.8
Magnesium (Mg), % 0.4 to 1.2
0
Manganese (Mn), % 0
0 to 0.1
Silicon (Si), % 0.2 to 0.8
6.8 to 8.2
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.15