Phosphor Bronze Machining Guide | Machining Design Considerations | Penta Precision

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Phosphor Bronze Machined Parts

A Guide to phosphor bronze CNC Milled & Turned Parts: Properties, Applications and Design Considerations

What is Phosphor Bronze?

Phosphor Bronze (also known as tin bronze or phos bronze) is an alloy of copper, tin and phosphorous. One of the oldest metal alloys, it is a versatile material that offers very good corrosion resistance. It is particularly used within the marine industry but also electrical, aerospace and chemical.

A number of grades of phosphor bronze are available. PB102 is the most common grade of wrought phosphor bronze used in the UK.

It has high corrosion resistance and excellent spring qualities – making it suitable for a wide range of applications and especially heavy duty components.
 

Main Attributes of Phosphor Bronze:

  • High corrosion resistance
  • High fatigue strength
  • Low coefficient of friction
  • Fine grain
  • Good spring properties
  • High mechanical properties
  • Difficult to machine
  • Good resistance to cold
  • Good thermal and electrical conductivity

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Detailed information about Phosphor Bronze 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 Phosphor Bronze referred to as:

Phosphor Bronze Components, Applications & Industries

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

Typical Components & Applications:
  • Propellers
  • Bushes & bearings
  • Gears
  • Worm Gears
  • Springs
  • Fasteners
  • Pump & valve spindles
  • Shafts
  • Flanges
  • Connectors & switches
Industry Examples:
  • Electrical
  • Marine
  • Aerospace
  • Chemical
  • Architecture

      Phosphor Bronze Machining Service

        Penta Precision provides highly accurate machined parts in Phosphor Bronze. 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 Phosphor Bronze 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 Phosphor Bronze 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 Phosphor Bronze machining requirements. 

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

        "I have always found Penta to be very professional when dealing with them. I find good communication to be very important, something Penta excel at." Ben - 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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