Blade Steel

CPM-20CV - Blade Steel

author image by -

Steel Composition

carbon 1.90 %
chromium 20.00 %
molybdenum 1.00 %
vanadium 4.00 %

The CPM-20CV is a high-end powder steel from Crucible, U.S.A, known best for its exceptional edge retention and impressive corrosion resistance. It’s ideal for high-quality pocket knives, or EDC knives, and outdoor tools. As a Crucible Particle Metallurgy (CPM) manufactured product, it guarantees excellent performance and stability in an array of situations.

What are the Advantages of CPM-20CV?

The CPM-20CV offers outstanding edge retention and is considered one of the best knife steels in terms of corrosion resistance and toughness. With its CPM makeup, it ensures uniform distribution of elements, resulting in impressive wear resistance and toughness.

It is also favoured for its excellent sharpenability, a trait that makes it fit for making high-quality EDC knives.

Disadvantages of CPM-20CV for Knives

Despite all the benefits, the 20CV is quite expensive. It falls into the premium price range, which might not appeal to everyone. Additionally, while it has excellent edge retention, it can be relatively challenging to re-sharpen once it loses its edge.

Steel Rating

Steels with good edge retention will stay sharp longer, reducing the need for frequent sharpening

Edge Retention

6/6 Points

Toughness is the steel's ability to absorb energy and deform without breaking


4/6 Points

Corrosion Resistance measures how well the steel can resist rust and oxidation

Corrosion Resistance

5/6 Points

Sharpenability refers to how easily a knife blade can be sharpened to its desired edge


2/6 Points

This is a relative measure based on typical market values. The actual price can vary widel


2/6 Points

A higher HRC number typically indicates a harder steel, which can hold a sharper edge


59 - 61 HRC
Please be aware that this rating should be understood as a comparative measure. It's simply a rough estimation in relation to other knife steels.

Is CPM-20CV Rust Resistant?

As far as rust resistance goes, the CPM-20CV ranks high. The high chromium content (20%) gives this steel an excellent anti-corrosion property, making it suitable even in wet environments.

How Hard is CPM-20CV?

With an HRC rating of 59-61, the 20CV falls into the high hardness category among knife steels. This quality gives it better edge retention while still maintaining decent impact resistance.

For What is CPM-20CV Recognized for?

The 20CV is known for being used primarily in premium pocket knives or outdoor tools, where high corrosion resistance is required. Many knife enthusiasts enjoy its excellent balance of hardness, edge retention, and corrosion resistance.


In conclusion, the 20CV is a premium-grade knife steel that provides an excellent balance of hardness, edge retention, and corrosion resistance. Although it's on the pricier side and can be challenging to re-sharpen once dull, its performance characteristics make it a premium choice for high-end EDC knives.