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Uddeholm Chipper

EXCELLENT COMBINATION OF TOUGHNESS AND WEAR RESISTANCE

Uddeholm Chipper is a versatile, high alloyed tool steel characterized by the excellent combination of toughness and wear resistance required for chipper-knives and heavy duty blanking and forming.

  • Short lead times in tool making
  • Right combination of toughness and wear resistance for heavy duty blanking and forming
  • Ideal for surface coating (PVD, CVD)
  • Good dimensional stability during heat treatment
  • Good machinability and grindability
  • Excellent combination of toughness and wear resistance
  • Normal hardness in the range 52 – 58 HRC

Tooling applications

  • Chipper knivesBlanking and piercing of thick materials up to 25 mm.
  • Fine blanking Shear blades
  • Deep drawing
  • Cold forging
  • Swaging dies
  • Rolls
  • Cold extrusion dies with complicated geometry
  • Tools for tube drawing

Components

  • Wood recycling knives

Uddeholm Chipper

  • Abrasive wear resistance 35%
  • Adhesive wear resistance 40%
  • Ductility/edge chipping resistance 45%
  • Toughness/gross cracking resistance 50%
  • Hardness (HRC) max 75%

Reference grade Cold Work (D2)

  • Abrasive wear resistance 55%
  • Adhesive wear resistance 25%
  • Ductility/edge chipping resistance 20%
  • Toughness/gross cracking resistance 10%
  • Hardness (HRC) max 62%

Chemical composition

Carbon.5Chrome8
Silicon1Molybdenum1.5
Manganese.5Vanadium.5

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