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  • Sheffield Gauge Plate Is The UK's Number One Supplier Of P20 Tool Steel And Other Versions Such As P20S, P20+S or P20N Steel.

    P20 tool steel properties

    P20 Tool Steel Description

    P20 tool steel (1.2311) is a low alloy tool steel with good machinability and moderate strength. It is a universally applicable vacuum chrome-molybdenum steel that provides a brilliant polished finish. In addition, P20 steel is supplied in a pre-hardened condition and does not require further heat treatment. 


    At Sheffield Gauge Plate, we can supply different forms of P20 based on your desired application. It’s a tough, pre-tempered steel with high core strength and excellent wear resistance. 


    Download our full P20 steel datasheet. 


    P20S Tool Steel 

    Alternatively, we can supply P20S tool steel (1.2312) which contains a higher sulphur content, allowing for more outstanding machinability than its P20 counterpart. However, if you require a polished or refined finish, P20S would not be suitable. 


    P20N Tool Steel

    P20N tool steel (1.2738) is pre-hardened on delivery and contains extra nickel for consistent hardness in large sections. It also features an easy-to-polish surface and superb machinability, suitable for pressing and injection moulding tools.


    If you plan to anneal P20N tool steel, heat uniformly to 770-790°C before soaking and cooling it in the furnace.


    Delivery condition: tempered approx. 1050N / mm²


    P20 form of supply

    At Sheffield Gauge Plate, we can supply P20 tool steel in a range of conditions, such as round bar, sheet, flat bar and plate. Moreover, our state-of-the-art facilities allow for one-offs or multiple-cut pieces sawn to your required length. Although diameters are less popular, we can still supply them upon request. 


    As a result, P20 tool steel is highly customisable and supplied in the exact form you need with extreme precision and tolerance. To discuss your requirements, contact us today and speak with our friendly professionals. 



    P20 can be used for various applications, including machine cut plastic moulds, bolsters, zinc die casting dies and die holders. Additionally, P20S is suitable for large mould frames and bolsters. 


    The versatility of P20 tool steel also makes it ideal for other applications, such as shafts and wear strips. 


    To discover if P20 is the correct steel for your tool-making application, email the team for more information today at [email protected]


    P20 ground flat stock

    We’re the UK’s leading P20 ground flat stock and gauge plate supplier. Only offering European or British steel, our customers are thrilled with the high standards of P20 tool steel we supply. Furthermore, we stock all standard metric and imperial sizes and offer non-standard sizes and lengths. Call us on 0114 233 5291 to learn more about our flat ground stock or for help with your search.

    Enquire about P20 today!


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      Frequently Asked Questions

      • What is P20 tool steel?

        P20 is a tool steel grade that belongs to the plastic mould defining property group. P-type steel grades have been developed to meet the requirements of plastic moulds and die holders. P20 has a high chromium content of 2.00%, which increases the toughness and durability of the steel.

      • What is the HRC of P20?

        The delivered state of P20 is 50 - 55 HRC. Due to the high hardness of P-type steel grades, heat treatments are usually not required or recommended.

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