N690

Product Description

Hardened cutting tools with excellent edge-holding property, such as knive blades, cutting surgical instruments, rotary knives for the meat processing industry, plate and knive-edge fulcrums, corrosion resistant roller bearings, valve needles and pistons for refrigerating machines.

Property Features

Martensitic chromium steel with cobalt, molybdenum and vanadium addition. For tools and components which can be hardened to very high hardness levels. Surface finish required for good corrosion resistance: fine ground or polished.

Technical Specifications

Material Numbers


1.4528 X105CrCoMo18-2


Chemical Composition

1.08 0.40 0.40 17.30 1.10 0.10 1.50

Chemical composition (average %)

Available product shapes

  • 6-Side Machining
  • Flat Bar
  • Ground Flat
  • Long Products
  • Plates
  • Ready Pieces
  • Round Bar
  • Round Ground Bar
  • Standard Bar

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