Blade Steel

Sleipner - Blade Steel

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Steel Composition

carbon 0.90 %
chromium 7.80 %
molybdenum 2.50 %
vanadium 0.50 %

The Sleipner steel belongs to the high-end category of tool steels. Manufactured by the Austrian company Bohler-Uddeholm, it has quickly gained reputation for its well-balanced blend of characteristics. The precise heat treatment of Sleipner steel results in solid edge retention, impressive hardness, and commendable toughness, even surpassing those of the popular D2 steel.

Advantages of Sleipner as Knife Steel

Sleipner steel is renowned for its unbeatable toughness and hardness. Its unique composition ensures an excellent resistance to wear and chipping, making it a go-to choice for heavy-duty tools. In the context of EDC knives, these characteristics translate into a reliable tool that performs exceedingly well under demanding situations. As a testament to its strength, Sleipner is often compared with D2 steel, but with notable improvements in terms of toughness.

Another noteworthy aspect of Sleipner is its relative ease of sharpening. Despite its high hardness, it doesn't pose much of a challenge when touch-ups are required, a coveted trait among EDC knife-users.

Disadvantages of Sleipner for Knives

Sleipner steel falls slightly short when it comes to corrosion resistance. It must be maintained reasonably well if you want to prevent potential rust issues. Another downside could be its price point - being a premium steel, it comes with a heavier price tag.

Steel Rating

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

Edge Retention

5/6 Points

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


5/6 Points

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

Corrosion Resistance

2/6 Points

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


3/6 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


60 - 64 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 Sleipner Rust Resistant?

While Sleipner provides a commendable performance in terms of edge retention and toughness, it's not the most rust-resistant steel out there. You'll need to take proper care of your Sleipner steel knives with regular maintenance to prevent the onset of corrosion. Using oils and regular cleaning can help prolong the life of the blade.

How Durable is Sleipner?

With a HRC rating of 60-64, Sleipner steel impresses in the hardness department. This translates into superior edge retention that keeps your blade sharp for extended periods. The level of hardness also adds to the blade's overall strength, allowing it to withstand the rigors of everyday tasks.


Sleipner steel has earned a reputation for its outstanding performance in knife blades – notably its superior hardness and excellent toughness. Known for its reliability under intense use, it's often the first choice for high-end utility knives, everyday carry knives, and hunting knives.

Similar blade steels


In conclusion, Sleipner knife steel is a superior option if you're looking for durability, high edge retention, and toughness. It shines in challenging situations and offers relatively easy sharpening. Maintenance is required to prevent corrosion due to its poor rust-resistance; however, with proper care, Sleipner knife blades can prove to be highly dependable, durable, and long-lasting companions in everyday carry setups.