Technical Guides

Direct hardening steels

  • BS970:1955 EN16T / BS970:1991 605M36T

    Bright / black manganese molybdenum steel

  • BS970:1955 EN16MT / BS970:1991 606M36T

    Bright drawn semi freecutting manganese molybdenum steel

  • BS970:1955 EN19T / BS970:1991 709M40T

    Bright / black 1% chromium molybdenum steel

  • BS970:1955 EN24T / BS970:1991 817M40T

    Bright/ black 1.1/2% nickel chromium molybdenum steel

  • BS970:1955 EN24 ANNEALED / BS970:1991 817M40 ANNEALED

    Bright drawn 1.1/2% nickel chromium molybdenum steel

  • BS970:1955 EN31 / BS970:1991 535A99

    Bright 1% carbon chromium steel

  • BS970:1955 EN40BT / BS970:1991 722M24T

    Black 3% chromium molybdenum nitriding steel