4340 Forging

Open and closed die forgings converted from ready-stock billet — rings, discs, blocks and shapes.

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4340 Forging capabilities

  • Open die, closed die and rolled rings
  • Rough machined near-net shapes
  • Heat treat, testing and certification packages

Designations

Product form
Forging
Material family
Alloy Steels
Werkstoff (W.Nr)
1.6565
EN designation
40NiCrMo8-4

Specifications

AMS 6417

Other forms of 4340