Sandvik / Sweden

Sandvik 19C27

Martensitic Stainless55-63 HRCConventional

Composition

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

Material Overview

Sandvik 19C27 is a martensitic stainless chromium steel with high carbon content (0.95% C and 13.5% Cr). It is specifically developed for applications requiring high wear resistance and a stable cutting edge, making it a popular choice for industrial knives and premium Japanese kitchen cutlery.

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

4.0

Corrosion Resistance

5.0

Sharpenability

4.0

Advantages

Superior Wear Resistance: The high carbon content creates hard carbides that provide excellent edge retention compared to standard stainless steels.
High Hardness Capability: It can be hardened up to 60-63 HRC, allowing for a very fine and sharp edge suitable for precision cutting.
Great Compressive Strength: The steel offers excellent stability and resistance against deformation during heavy-duty cutting tasks.
Proven Industrial Performance: Long-term reliability in both industrial applications and professional kitchen environments.

Disadvantages

Lower Toughness: Due to the relatively large carbides, the steel can be brittle at high hardness and may chip if subjected to heavy impact or prying.
Moderate Corrosion Resistance: With 13.5% Chromium, it sits at the lower end of the stainless spectrum and requires proper cleaning to prevent spotting or rust.
Difficult to Sharpen: Its high wear resistance makes it significantly harder to regrind or sharpen using manual stones compared to softer grades like 12C27.
Sensitive Heat Treatment: Achieving optimal performance requires precise temperature control and professional quenching processes.

At A Glance

Sandvik 19C27 is a martensitic stainless chromium steel with high carbon content (0.95% C, 13.5% Cr), characterized by very high hardness and excellent wear resistance.