Aluminium Alloy 2011 - Chemical & Physical Properties

Aerospace & Aircraft Aluminium Alloys Supplier & Exporter in India & Worldwide

Overview

Aluminium Alloy 2011 is a high-performance alloy used in applications requiring excellent machinability. It is primarily used in the aerospace and defense industries due to its superior strength and performance under high temperatures. The alloy is known for its free-machining characteristics and good mechanical properties.

Chemical Composition

The chemical composition of Aluminium Alloy 2011 is as follows:

% Si Fe Cu Mn Mg Cr Zn Ti Bi Pb Others Al
Minimum - - 5.00 - - - - - 0.20 0.20 - -
Maximum 0.40 0.70 6.00 - - - 0.30 - 0.60 0.60 - rest

Mechanical Properties

The mechanical properties of Aluminium Alloy 2011 include:

Treatment State Measurements (mm) Rm (MPa) Rp0.2 (MPa) A (%) A50 mm (%) Hardness (HB)
T4 ≤ 200 275 - 20 14 90
T4 ≤ 75 310 230 8 6 110
T6 75 < D ≤ 200 295 195 6 - 110

Physical Properties

The physical properties of Aluminium Alloy 2011 include:

Property Value
Modulus of Elasticity (N/mm²) 72.500
Specific Weight (g/cm³) 2.84
Melting Temperature (ºC) 540-650
Linear Expansion Coefficient (1/10⁶ K) 23
Thermal Conductivity (W/mK) 152
Electrical Resistivity at 20ºC (Ω cm) 4.4
Electrical Conductivity (% IACS) 39

Technological Suitabilities

This alloy is suitable for various applications and conditions, including:

  • Welding: Not recommended for conventional welding methods
  • Heat Treatment: Solution heat treatment recommended
  • Forging: Can be hot worked at temperatures of 550-900°F
  • Machinability: Excellent for machining, can be used with carbide tooling

Applications

Aluminium Alloy 2011 is commonly used in the manufacture of:

  • Screw machine products
  • Machine parts
  • Atomizer and hose parts
  • Pipe stems and cigarette holders
  • Tube fittings

Contact Us

For inquiries and to purchase Aluminium Alloy 2011 in various grades and sizes, contact us:

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