Article · Wikipedia archive · Last revised Jun 11, 2026

154CM

154CM is a type of stainless steel developed and manufactured in the United States by Crucible Materials Corporation. Crucible 154CM is a modification of martensitic stainless steel type 440C to which molybdenum has been added. It was originally developed for tough industrial applications and combines three principal elements: carbon, chromium, and molybdenum. Hitachi Corporation of Japan copied the properties of this steel for their own brand known as ATS-34.

Last revised
Jun 11, 2026
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154CM is a type of stainless steel developed and manufactured in the United States by Crucible Materials Corporation (now - Crucible Industries). Crucible 154CM is a modification of martensitic stainless steel type 440C to which molybdenum has been added. It was originally developed for tough industrial applications and combines three principal elements: carbon, chromium, and molybdenum.1 Hitachi Corporation of Japan copied the properties of this steel for their own brand known as ATS-34.23

Typical applications

  • Cutlery
  • Bearings
  • Valve Ports
  • Bushings

Composition

154CM contains the following:2

  • Carbon 1.05%
  • Chromium 14.00%
  • Manganese 0.50%
  • Molybdenum 4.00%
  • Silicon 0.30%
  • Iron 80.15%
References

References

  1. Barney, Richard W. (1995). How to Make Knives. Iola, Wisconsin: Krause Publications. p. 31. ISBN 0-87341-389-X.
  2. Winter, Butch (1987). "Sharpen Up". Popular Mechanics. 164 (4). Hearst Magazines: 90–94. ISSN 0032-4558.
  3. Hollis, Durwood; Loveless, Bob (30 November 2010). Knifemaking with Bob Loveless: Build Knives with a Living Legend. Iola, Wisconsin: Krause Publications. pp. 70–71. ISBN 1-4402-1791-2.
External links