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5088 Aluminum vs. 6151 Aluminum

Both 5088 aluminum and 6151 aluminum are aluminum alloys. They have a very high 95% of their average alloy composition in common.

For each property being compared, the top bar is 5088 aluminum and the bottom bar is 6151 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
69
Elongation at Break, % 29
1.1 to 5.7
Fatigue Strength, MPa 180
80 to 100
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
26
Shear Strength, MPa 200
190 to 200
Tensile Strength: Ultimate (UTS), MPa 310
330 to 340
Tensile Strength: Yield (Proof), MPa 150
270 to 280

Thermal Properties

Latent Heat of Fusion, J/g 390
410
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 540
590
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 120
170
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
45
Electrical Conductivity: Equal Weight (Specific), % IACS 98
150

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 9.0
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 76
3.5 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 170
520 to 580
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 32
34
Strength to Weight: Bending, points 38
39
Thermal Diffusivity, mm2/s 51
70
Thermal Shock Resistance, points 14
15

Alloy Composition

Aluminum (Al), % 92.4 to 94.8
95.6 to 98.8
Chromium (Cr), % 0 to 0.15
0.15 to 0.35
Copper (Cu), % 0 to 0.25
0 to 0.35
Iron (Fe), % 0.1 to 0.35
0 to 1.0
Magnesium (Mg), % 4.7 to 5.5
0.45 to 0.8
Manganese (Mn), % 0.2 to 0.5
0 to 0.2
Silicon (Si), % 0 to 0.2
0.6 to 1.2
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0.2 to 0.4
0 to 0.25
Zirconium (Zr), % 0 to 0.15
0
Residuals, % 0
0 to 0.15