6061 Machining Guide | Machining Design Considerations | Penta Precision

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6061 Machined Parts

A Guide to aluminium 6061 CNC Milled & Turned Parts: Properties, Applications and Design Considerations

What is 6061?

6061 is a versatile medium to high strength heat-treatable American wrought aluminium alloy.  

Aluminium 6061 is primarily composed of aluminium, magnesium and silicon.

The most common temper is T6. See further heat treatments/temper states below.

UK Equivalent

Please note: the UK equivalent of 6061 is 6082. 6082 is comparatively new, has replaced 6061 in many applications and is recommended for use by Penta Precision. Please see our 6082 materials page for further information.

Main Attributes of Aluminium 6061:

  • Excellent corrosion resistance to atmospheric conditions & good resistance to sea water
  • Very good weldability although reduced strength in weld zone (can be re-heat treated & artificially aged again to restore strength)
  • Medium fatigue strength
  • Available in sheet, plate & extrusions
  • Good surface finish
  • Good toughness and structural strength
  • Good machinability

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Detailed information about 6061 for designers including technical properties can be found in the tabs below. Please note: this information is provided as a guide only. All information is based on our present knowledge and is given in good faith. No liability will be accepted by Penta Precision in respect of any action taken by any third party in reliance thereon.

Similar or obsolete designation and trade names

You may also see 6061 referred to as:

6061 Components, Applications & Industries

Here are some examples of the industries and components for which 6061 is appropriate, however Penta recommends the use of aluminium 6082 as a better alternative to 6061. Please do get in touch and we can talk through your project with you.

Typical Components & Applications:
  • Bridges
  • Rivets
  • Truck frames
  • Rail coaches
  • Boilermaking
  • Sail boat masts
  • Hulls of larger yachts
  • Aircraft components
  • Appliance fittings
  • Marine fittings
  • Bike frames
  • Driveshafts
  • Valves
  • Heat exchangers, air coolers & heat sinks
  • Water,air and hydraulic piping & tubing
  • Inside foil wrapper on food containers
Industry Examples:
  • Transport
  • Civil Engineering
  • Aerospace
  • Marine
  • Construction
  • Automotive industries
  • Food Packaging

    Aluminium Aircraft Interior Component

    CNC Milled Aluminium Part for Aerospace

    Aluminium 6082

    Aluminium CNC Machined Component

    6061 Machining Service

    Penta Precision provides highly accurate machined parts in aluminium. Customers turn to us when they have had quality and delivery issues with their existing suppliers and need a reliable precision machining partner.

    Penta Precision provides the following 6061 and 6082 services: 

    • CNC milling – prototypes & large batch runs
    • CNC turning – prototypes & large batch runs
    • Insert installation
    • Part marking
    • Manual milling
    • Manual turning
    • Machining design advice
    • Machining drawing service

    Reasons to Choose Penta:

    • ISO 9001:2015 quality assurance
    • Consistent high quality machined parts
    • Reliable delivery dates - our track record speaks volumes
    • Exceptional customer service and communication
    • Machining design advice
    • Extensive experience in our field
    What Makes Penta Different?

    Our 3 unique pillars to delivering exemplary service:

    • We Communicate well 
    • We take Care at each stage
    • Our service is Consistent

    See our ‘Proven Process’ page to find out more

    We are regularly machining aluminium 6061 and 6082 for customers all over the UK. Our customers depend on our machining expertise as well as our outstanding delivery performance, to machine the highest quality parts. Contact us to discuss how we can help you with your machining requirements. 

    Can we meet your
    6061 machining needs?
    Call our engineering team on
    +44 (0) 23 9266 8334
    or contact us via our email form

    “A committed customer focused business, consistently striving to meet our needs.'' Tony - Buyer

    Tel: +44 (0) 2392 668 334

    Fax: +44 (0) 2392 668 335

    Connect with us:

    Penta Precision Engineering Ltd

    Aspen House

    Airport Service Road

    Portsmouth

    Hampshire

    PO3 5RA

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