E 945

DESCRIPTION
E 945 is a high speed steel with a low alloy content compensated by an optimal ratio of carbon-vanadium which gives a very hard martensitic matrix. Hot hardness is improved with 2.5% cobalt. This steel allows for lower austenitizing temperatures to reach the same hardness.

Datasheet :

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Chemical composition

C Cr Mo W Co V
0.91 3.7 5.0 1.8 2.5 1.2

Standards

  • Europe : HS 2-5-1-2
  • Sweden : SS2737

Properties

Machinability

Wear Resistance

Toughness

Hot hardness

Grindability

Heat treatment

Delivered Hardness

  • Soft annealed : 250 HB
  • Cold drawn : 275 HB
  • Cold rolled : 275 HB

Characteristics

E 945 can be worked as follows:

  • machining (grinding, turning, milling)
  • polishing
  • hot forming
  • electrical discharge machining
  • welding (special procedure including preheating and filler materials of base material composition).

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