T550

Product Description

Components featuring elevated high-temperature strength for use in thermal engines and power plants, such as turbine blades, turbine discs, screws, bolts, pins and shafts.

Property Features

Creep resisting steel, hardened and tempered. Usual upper temperature limit for continuous operating at 580°C.

Technical Specifications

Material Numbers


1.4922, 1.4923, 1.4926, 1.4934 X20CrMoV12-1, X22CrMoV12-1, X21CrMoV12-1 STN: 17 134


Chemical Composition

0.22 0.25 0.70 11.40 0.95 0.70 0.30

Chemical composition (average %)

Available product shapes

  • Long Products
  • Open Die Forgings
  • Plates
  • Semi-Finished Products / Billet

Fairs & Events