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2618 Aluminum vs. 6061 Aluminum

2618 Aluminum is suitable for professional applications that require high strength and high-temperature performance, while 6061 Aluminum performs better in terms of versatility, corrosion resistance, and formability, making it a more widely used choice.

2618 Aluminum and 6061 Aluminum Comparison Table

Property 2618 Aluminum 6061 Aluminum
Strength Excellent performance in high-stress and high-temperature applications, suitable for extreme conditions. Moderate strength, suitable for general purposes, but not for ultra-high-stress environments.
Versatility Primarily used in high-strength specialized fields. Versatile, widely used in various engineering fields, particularly in construction and manufacturing.
Corrosion Resistance Requires additional treatment, such as coating or anodizing, in similar environments. Excellent corrosion resistance, suitable for outdoor and marine applications.
Application Background Suitable for aerospace and automotive performance parts, the first choice for high-strength and high-temperature applications. Suitable for structural parts and components in everyday environments, such as frames and pipes.

2618 Aluminum and 6061 Aluminum Strength Comparison

Property 2618 Aluminum 6061 Aluminum
Tensile Strength Significantly higher, suitable for applications with high strength requirements. Moderate strength, suitable for general structural applications.
Yield Strength Higher yield strength, capable of working under higher mechanical loads. Lower yield strength, but meets the needs of general applications.

2618 Aluminum and 6061 Aluminum Ductility Comparison

Property 2618 Aluminum 6061 Aluminum
Ductility Provides a good balance of strength and ductility, but with a lower elongation at fracture. Higher elongation at fracture, more easily formed and bent.

2618 Aluminum and 6061 Aluminum Fatigue Resistance Comparison

Property 2618 Aluminum 6061 Aluminum
Fatigue Resistance Performs better under high fatigue stress, suitable for applications with high cyclic loads. Performs well under medium fatigue stress, suitable for general applications.

2618 Aluminum and 6061 Aluminum Shear Strength Comparison

Property 2618 Aluminum 6061 Aluminum
Shear Strength Higher shear strength, suitable for applications with heavy lateral or torsional loads. Medium shear strength, suitable for low to medium strength applications.

2618 Aluminum and 6061 Aluminum Corrosion Resistance Comparison

Property 2618 Aluminum 6061 Aluminum
Corrosion Resistance Lower corrosion resistance, requires coating or anodizing to improve performance. Excellent corrosion resistance, suitable for outdoor and marine environments, no additional treatment required.

2618 Aluminum and 6061 Aluminum Application Comparison

Applications of 2618 Aluminum

Field Specific Applications
Aerospace Jet engine components, high-temperature structural parts, aerospace fasteners, etc.
Automotive Industry High-performance racing engine components (e.g., pistons, crankshafts, etc.).
Industrial Uses High-temperature pipes and structural components.

Applications of 6061 Aluminum

Field Specific Applications
Construction Structural beams, scaffolding, load-bearing supports, etc.
Transportation Frames and components for automobiles, ships, and trains.
Manufacturing Pipes, tubes, and general profiles.
Marine Applications Hulls and other components exposed to saltwater.

2618 Aluminum vs. 6061 Aluminum Mechanical Properties

Property 2618 Aluminum 6061 Aluminum
Elastic (Young's, Tensile) Modulus (GPa) 71 69
Elongation at Break (%) 5.8 3.4 to 20
Fatigue Strength (MPa) 110 58 to 110
Poisson's Ratio 0.33 0.33
Shear Modulus (GPa) 27 26
Shear Strength (MPa) 260 84 to 210
Tensile Strength: Ultimate (UTS) (MPa) 420 130 to 410
Tensile Strength: Yield (Proof) (MPa) 350 76 to 370

2618 Aluminum vs. 6061 Aluminum Thermal Properties

Property 2618 Aluminum 6061 Aluminum
Latent Heat of Fusion (J/g) 390 400
Maximum Temperature: Mechanical (°C) 210 170
Melting Completion (Liquidus) (°C) 640 650
Melting Onset (Solidus) (°C) 550 580
Specific Heat Capacity (J/kg-K) 880 900
Thermal Conductivity (W/m-K) 160 170
Thermal Expansion (µm/m-K) 22 24

2618 Aluminum vs. 6061 Aluminum Electrical Properties

Property 2618 Aluminum 6061 Aluminum
Electrical Conductivity: Equal Volume (% IACS) 37 43
Electrical Conductivity: Equal Weight (% IACS) 110 140

2618 Aluminum vs. 6061 Aluminum Alloy Composition (% by weight)

Element 2618 Aluminum 6061 Aluminum
Aluminum (Al) 92.4 to 94.9 95.9 to 98.6
Chromium (Cr) 0 0.040 to 0.35
Copper (Cu) 1.9 to 2.7 0.15 to 0.4
Iron (Fe) 0.9 to 1.3 0 to 0.7
Magnesium (Mg) 1.3 to 1.8 0.8 to 1.2
Manganese (Mn) 0 0 to 0.15
Nickel (Ni) 0.9 to 1.2 0
Silicon (Si) 0.1 to 0.25 0.4 to 0.8
Titanium (Ti) 0.040 to 0.1 0 to 0.15
Zinc (Zn) 0 to 0.1 0 to 0.25
Residuals 0 0 to 0.15