About Smiths

We are a world-class supplier of engineering raw materials. Our objective is to provide all our customers, from the small machine shop to the large multi-national corporation, a supply path that continuously delivers the highest levels of service, quality and value.

Cast Nylon (PA6G)

Engineering Plastic

Cast Nylon Engineering Plastic

A high-quality general-purpose wear-resistant engineering plastic material: the chemical name is polyamide. It is available in a range of grades and forms to suit many applications. The casting process allows the production of larger material sections virtually free from residual stress. It may also be cast into customer shapes that reduce material waste and machining time.


While not as fine as Acetal, the machinability of unmodified nylon is very good. Glass-filled grades will require the use of tipped tooling. As with all plastic materials, experience has shown that extra care must be taken with larger diameters, especially in the colder months when plastic materials lose some of their toughness, and so have less resistance to machining stresses. It is, therefore, essential to ensure that these materials are not machined while in a chilled condition. Full machining instructions are available on request.

Chemical Resistance

Nylon 6G is highly resistant to hydrocarbons, alkalis, fats, oils, fuels, ethers, esters and ketones. But it is not resistant to halogens, mineral acids and certain organic acids, oxidising agents.

Typical Applications

Commercial applications for this engineering material include:

  • Mechanical engineering
  • Automotive and general machinery construction - e.g. plain bearings
  • Coil bodies guide & clutch parts
  • Gears, cams, rollers
  • Slide bearings
  • Seal rings and guide rails
  • Pulleys, conveyor parts

We stock Cast Nylon (PA6G) in round bar, plate, sheet, hollow bar and square bar.

Technical Assistance

Our knowledgeable staff and resident metallurgists will be pleased to assist you further on any technical topic. Smiths Metal Centres Limited also boasts an in-house UKAS Accredited Testing Laboratory which is unique within the multi-metal and plastic stockholding sector. We believe this underlines our total commitment to quality and our ethos of being the complete service provider.

Additional Info

A technical datasheet for Cast Nylon (PA6G) is available in PDF file format. To view and download, please click here.

We offer in-house processing options - for more information, please refer to our processing services.

Read our corporate brochure by clicking here.

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