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Crucible Industries / USA

CPM-154

Powder Metallurgy Stainless Steel58–61 HRCParticle Metallurgy (PM)

Composition

Core alloying elements define the baseline trade-off between wear resistance, corrosion behavior, and toughness.

S
0.030%

Material Overview

CPM 154 is the powder metallurgy version of the classic 154CM stainless steel, produced by Crucible Industries. The CPM process refines the carbide structure, improving toughness, edge stability, and consistency compared to conventional 154CM. It offers a balanced performance profile with good corrosion resistance and ease of sharpening, making it popular in both production and custom knives where reliability and ease of maintenance are important.

Performance Radar

Use four core metrics to understand the usable operating envelope of this steel at a glance.

Edge Retention
Toughness
Corrosion Resistance
Sharpenability
Edge Retention
7.0
Toughness
8.0
Corrosion Resistance
9.0
Sharpenability
8.0

Advantages

  • Good balance of all-around performance
  • Excellent corrosion resistance
  • Easier to sharpen than high-vanadium steels
  • Improved toughness over standard 154CM
  • Fine PM structure for consistent edges

Disadvantages

  • Edge retention lower than premium steels like M390 or S90V
  • Not optimized for extreme wear resistance
  • Mid-tier performance in ultra-premium category

At A Glance

CPM 154 is a well-balanced powder metallurgy stainless steel offering excellent corrosion resistance, good toughness, and easy sharpening, making it a reliable all-around knife steel.

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