Technical Guides

Case hardening steels

  • BS970:1955 EN32M / BS970:1991 210M15

    Bright drawn semi freecutting case hardening steel

  • BS970:1955 EN34 / BS970:1991 665M17

    Black 2% low carbon nickel molybdenum case hardening steel

  • BS970:1955 EN36B / BS970:1991 655M13

    Bright / black 3% nickel chromium case hardening steel

  • BS970:1955 EN351 / BS970:1991 635M15

    Bright / black 3/4% nickel chromium case hardening steel

  • BS970:1955 EN352 / BS970:1991 637M17

    Bright / black 1% nickel chromium case hardening steel

  • BS970:1955 EN353 / BS970:1991 815M17

    Bright / black 1.1/4% nickel chromium case hardening steel