Product Description

Ultra-high-strength maraging steel

Property Features

  • High tensile strength
  • High ratio of yield point to tensile strength
  • High toughness (also at low temperatures)
  • High notch tensile strength
  • High fire cracking resistance
  • Virtually no dimensional changes during heat treatment
  • No decarburization
  • No risk of cracking
  • Through-hardenability also of large thicknesses
  • Good machinability also in the precipitation-hardened condition
  • Good cold working properties thanks to low work hardening tendency
  • Good weldability
  • Easy heat treatment at low temperatures

Technical Specifications

Material Numbers

1.6359 X2NiCoMo18-8-5 Maraging 250


BS S162

Chemical Composition

4.90 18.00 7.80 0.55 0.13

Chemical composition (average %)


Available product shapes

  • Long Products


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