DME University

Composition and Physical Properties of DME #7 (AISI 420F Stainless, modified)

Composition

  • C – 0.30%
  • Mn – 1.10%
  • S – 0.15%
  • Si – 0.70%
  • Cr – 14.00%

Physical Properties

  • Pre-hardened to 305-342 Bhn (33-37 Rc)
  • High machinability
  • High corrosion resistance for corrosive plastics
  • Use in clean room
  • Ideal for structural (non-cavity/ core) elements of molds and dies.

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