6262

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Grade 6262 aluminium is a heat treatable alloy with additions of copper, lead, silicon, magnesium and bismuth. The addition of lead and bismuth impart the excellent machinability of grade 6262. While the magnesium, copper and silicon combine to enhance the mechanical strength and corrosion resistance of the alloy. The 6262 aluminium can be hardened by cold working or by a combination of aging and subsequent cold working.

As a result of its machinability either high-speed steel or carbide tooling can be used to obtain smooth surface finishes (light cuts may be possible without lubrication). In turn the excellent finish of machined parts allows the material to be anodised with ease. Grade 6262 can also be used in place of 2011 when higher corrosion resistance and better anodising response is required.

Chemical Composition

Aluminium     

Rem

Silicon

0.4-0.80%

Copper

0.15-0.40%

Iron

0.70% max

Manganese   

0.15% max

Magnesium

0.8-1.2%

Zinc             

0.25% max

Titanium

0.15% max

Bismuth

0.4-0.70%

Lead

0.4-0.70%

Chromium

0.04-0.14%

Total Others

0.15 max

Related Specifications

AA6262

Al1.0Mg0.6SiPb

UNS96262

QQ A-225/10

6262

ASTM B467 / B483

Key Features

  • Very good corrosion resistance
  • Excellent weldability
  • High Mechanical strengths
  • Very good machinability

Typical Physical Properties

Melting Point                                        

588°C 

Density                                               

2.71 g/cm³

Thermal conductivity                    

172 W/m°K

Thermal expansion coefficient                 

23.4 x 10-6

Electrical resistivity                               

0.0339 microhm m

Modulus of elasticity                              

68 GPa

 Fabrication Properties

Cold Formability

Average

Machinability  

Excellent

Brazing                                               

Excellent

Gas Shielded Arc Welding                       

Excellent

Manual Metal Arc Welding                       

Excellent

Resistance Welding   

Excellent

Typical Applications  

Grade 6262 is generally used in applications such as; screw machine products, camera parts, nuts, couplings, marine fittings, decorative hardware and appliance fittings, hinge pins, oil line fittings, valves and valve parts.

This technical information is given by Holme Dodsworth Metals without charge and the user shall employ such information at their own discretion and risk. For more detailed technical advice on temper selection, fabrication, joining, machining, physical and mechanical data please contact us as space does not permit the listing of every feature of the material.

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Holme Dodsworth Metals Limited.
59/69 Heaton Park Road.
Newcastle Upon Tyne NE6 1SQ
Registered in England. Company No. 00842702