E M2

E M2 is a medium-alloyed high speed steel which has a good machinability and a good performance and is used in a wide variety of applications.

Datasheet :

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Chemical composition

C Cr Mo W Co V
0.9 4.2 5.0 6.4 - 1.8

Standards

  • Europe : HS 6-5-2
  • Sweden : SS 2722
  • Japan : JIS SKH51
  • Germany : 1.3343
  • USA : AISI M2

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 M2 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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