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6182 Aluminum vs. 6351 Aluminum

Both 6182 aluminum and 6351 aluminum are aluminum alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is 6182 aluminum and the bottom bar is 6351 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 6.8 to 13
7.8 to 18
Fatigue Strength, MPa 63 to 99
79 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 140 to 190
84 to 200
Tensile Strength: Ultimate (UTS), MPa 230 to 320
140 to 310
Tensile Strength: Yield (Proof), MPa 130 to 270
95 to 270

Thermal Properties

Latent Heat of Fusion, J/g 410
410
Maximum Temperature: Mechanical, °C 190
160
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 600
570
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 160
180
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
46
Electrical Conductivity: Equal Weight (Specific), % IACS 130
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 8.4
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1170
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
20 to 38
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 520
65 to 540
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 23 to 32
14 to 32
Strength to Weight: Bending, points 30 to 38
22 to 38
Thermal Diffusivity, mm2/s 65
72
Thermal Shock Resistance, points 10 to 14
6.1 to 14

Alloy Composition

Aluminum (Al), % 95 to 97.9
96 to 98.5
Chromium (Cr), % 0 to 0.25
0
Copper (Cu), % 0 to 0.1
0 to 0.1
Iron (Fe), % 0 to 0.5
0 to 0.5
Magnesium (Mg), % 0.7 to 1.2
0.4 to 0.8
Manganese (Mn), % 0.5 to 1.0
0.4 to 0.8
Silicon (Si), % 0.9 to 1.3
0.7 to 1.3
Titanium (Ti), % 0 to 0.1
0 to 0.2
Zinc (Zn), % 0 to 0.2
0 to 0.2
Zirconium (Zr), % 0.050 to 0.2
0
Residuals, % 0
0 to 0.15

Comparable Variants