Applications
  • Cutting tools such as blades, punches, and cutters.
  • Dies and molds.
  • Punches, drawing, and forming tools.
  • Measuring tools such as calipers and rulers.
  • Threading tools such as taps and dies.
Characteristics:
  • Most commonly used steel for cold work.
  • Oil-hardening tool steel.
  • Good machinability.
  • Steel with wear resistance and toughness after hardening.
  • Suitable for moderate impact work.
Chemical Composition
Variant%(C) Carbono%(Mn) Manganeso%(Si) Silicio%(Cr) Cromo%(V) Vanadio%(W) Tugsteno
O1 (Round & Plates)0.85% - 1.00%1.00% - 1.25%0.20%0.50%0.10% - '.25%0.40% - 0.60%