2014A Machining Guide | Machining Design Considerations | Penta Precision

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2014A Machined Parts

A Guide to aluminium 2014A CNC Milled & Turned Parts: Properties, Applications and Design Considerations

What is 2014A?

2014A is a readily available high strength grade of commercial aluminium. The aerospace equivalents are L93 (plate), L157 (sheet) and L168 (bar).

Supplied in a fully heat-treated condition, 2014A is a 4-5% copper alloy. The most common temper is T651 (except under 10mm and over 203.2mm diameter which is suppied in T6 only) which is solution heated treated, stress relieved by stretching then artificially aged.

L168 is the most widely used aluminium bar alloy in the aerospace industry.

Main Attributes of Aluminium 2014A:

  • Exceptionally high strength
  • Very good machinability
  • Heat treatable and retains good strength after heat treatment
  • After heat treatment, behaves very much like low-carbon steel
  • Poor resistance to atmospheric attack, especially in marine environments (therefore often hard anodised)
  • Unsuitable for welding/brazing/soldering
  • Great for parts needing good strength up to 150°C

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Detailed information about 2014A for designers including UK stock sizes and 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 2014A referred to as:

  • Other designations:
    • Al Cu4 Si Mg / AlCu4SiMg (ISO)
    • BS L102 - Bars / Sections
    • QQ-A-200/2
    • BS L168 - Bars / Sections
    • UNS A92014
    • HE15
    • H15 (Former BS)
    • A92014
    • BS H15
    • W Nr. 3.1254 / 3.1255
    • AMS 4121
    • BS1474 Bar
    • BS1470 Sheet/Plate
    • Duralumin
    • Al-P12 (AECMA)
    • AlCuSiMn (Germany DIN)
    • 3.1255 (Germany Werkstoff)
    • A-U4SG (France AFNOR)
    • P-AlCu4.4MnMg3501 (Italy Old UNI)
    • 9002/3 (Italy New UNI)
    • 14-4338 (Sweden)
    • AlCu4SiMn (Switzerland)

2014A Components, Applications & Industries

Here are some examples of the industries and components for which aluminium 2014A is appropriate. This is by no means an exhaustive list. Please do get in touch if you are considering using 2014A and we can talk through your project with you.

Typical Components & Applications:
  • High strength structural components
  • High technology market applications
  • Aerospace fittings
  • Military vehicles
  • Aircraft structures
  • Truck frames
  • Bridges
  • Weapons
Industry Examples:
  • Aerospace, Military & Defence
  • Civil engineering

    Aluminium Aircraft Interior Component

    CNC Machined Aluminium 2014A Aircraft Interior Component

    2014A Machining Service

    Penta Precision provides highly accurate machined parts in 2014A. 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 aluminium 2014A 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 2014A aluminium 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. If you'd like to discuss how we can help you with your 2014A machining requirements, here's a list of ways to get in touch with us.

    Can we meet your
    2014A machining needs?
    Call our engineering team on
    +44 (0) 23 9266 8334
    or contact us via our email form

    ''I am very impressed with the quality and finish of the parts. They are now being painted so we will be able to start building next week. Many thanks.'' Andrew - Head Designer

    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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