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Uddeholm Fermo

A HIGH STRENGTH FLAME- AND INDUCTION HARDENING STEEL

Uddeholm Fermo is a high strength, flame- and induction hardening steel delivered prehardened to 250-290 hb.

  • Short tool making lead times
  • Safe and consistent production
  • Cost efficient tool making/production
  • High strength
  • Flame and induction hardening
  • Good abrasive wear resistance after induction-/flame hardening.
  • Induction-/flame hardening without water cooling
  • Welding without preheating
  • Blanking and forming tools for car body parts
  • Tool parts such as slides, pressure plates/pads
  • Shear blades and circular knives with special requirements on toughness
  • Curve plates, cams
  • Guides, constructional parts
  • The steel is particularly suitable for tools with surfaces exposed to abrasion and which can be flame hardened

Uddeholm Fermo

  • Abrasive wear resistance 20%
  • Adhesive wear resistance 20%
  • Ductility/edge chipping resistance 50%
  • Toughness/gross cracking resistance 50%
  • Hardness (HRC) max 50%

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.48Chrome1.5
Silicon.4
Manganese.9

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