X50CrMoV15 Steel: Is it a Good Knife Steel?

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If you are a fan of German steel variants for kitchen knives, you may have already used a knife made up of X50CrMoV15 steel. This famous German steel is considered analogous to kitchen knives. So, if you shop for a chef or kitchen knife now, the probability of getting a high-quality knife made up of this steel and from a reputed brand is high. So, in this post, let’s find out more about this steel.

What is X50CrMoV15 Steel?

X50CrMov15 Cutlery-Pro Gourmet Chef’s Knife, 10-Inch Blade
Cutlery-Pro Gourmet Chef’s Knife

X50CrMoV15 is a type of martensitic stainless steel produced by German manufacturers. Although there are some deceiving allegations, X50CrMoV15 does not belong to the family of high-carbon steels.

This steel is widely used in making various kitchen knives such as choppers, cleavers, paring, and utility. It is also used for making all-purpose shears. The main reasons makers use it for kitchen knives are its excellent cutting traits and great ability to put corrosion at bay.

The incomprehensible name X50CrMoV15 has a special meaning. It is not simply a set of randomly selected digits and letters. Each of them has a meaning. X indicates that it is a kind of stainless steel. 50 means the percentage of carbon in the steel. Cr represents chromium, while Mo suggests the presence of molybdenum.

V means vanadium, while 15 indicates the chromium content. Such a naming convention also demonstrates that the Germans made this steel using many metals.

Chemical Composition

As the name indicates, X50CrMoV15 has more chromium (15%) and relatively less carbon (0.5%). Therefore, it is not a high-carbon variant but a stainless steel variant. Following are the components of this steel:

  • 0.5% Carbon: For better hardness as well as the ability to keep wear or corrosion at bay
  • 15% Chromium: For great tensile strength, reliable ability to retain an edge, and better power to resist wear as well as corrosion
  • 1% Silicon: For boosted strength.
  • 1% Manganese: For better hardness as well as brittleness
  • 0.8% Molybdenum: For boosted strength as well as machinability (flexibility during manufacturing process)
  • 0.20% Vanadium: For better hardenability as well as resistance to wear
  • 0.015% Sulfur: For better flexibility during the manufacturing process
  • 0.04% Phosphorus: For boosted strength

The mix of high chromium and the small molybdenum content ensures better resistance to corrosion than the ordinary martensitic steel variants. Similarly, the blend of molybdenum and vanadium helps in boosting the grain structure and increasing longevity.


On the Rockwell scale of hardness, X50CrMoV15 has a rating of 56 HRC. Nevertheless, this rating can be between 52 and 56, as per the heat treatment given by the manufacturer. Therefore, it is considered a good range of hardness, as it is neither too hard nor too soft.

The rating of 56 HRC is attributed to enough carbon. Well, this is sufficiently hard for cutting food items in the kitchen. But, at the same time, it is not that hard to make you cautious about chipping, although the sustenance of a sharp edge is not excellent.

Steel Properties

Cutlery-Pro Gourmet Chef Santoku Knife with Hollow Grounds, Professional Quality, NSF Approved, German Carbon Steel (X50CrMov15), 7-Inch Blade
Cutlery-Pro Gourmet Chef Santoku Knife

Following are the properties of the X50CrMoV15 steel:

  • High Rust and Corrosion Resistance: This property tells you why this steel is so widely used for making kitchen knives. The chromium content of 15%, which is enough to render any steel stainless, along with molybdenum, keeps stains and rust away, especially in humid and wet regions.
  • Excellent Wear Resistance: The level of hardness of X50CrMoV15 is enough for the blade to last for several years by keeping the wear impact away, even if it is used too frequently.
  • Great Sharpness: This is another reason why X50CrMoV15 is used for making kitchen knives. The edge of a knife made using this steel can be made razor-like sharp.
  • Good Toughness: This steel ranks high when it comes to measuring toughness. It is impressive to see how the blade can endure shock, impact, chipping risk, and lateral forces when used with tough cutting jobs. Harder steels will never be this tough.
  • Good Edge Retention: Due to low carbon and vanadium amount, this steel does not have extremely hard carbides. In simple words, it cannot hold its edge for a very long time. Therefore, the steel scores lower than the high-end variants. For you, it means this steel is not a good choice for a camping knife or abrasive cutting. However, it is reliable for cutting veggies and fruits, as it will sustain the sharpness for a sufficient time.
  • Ease of Sharpening: It is effortless to sharpen an X50CrMoV15 edge. This is attributed to the moderate carbon content, due to which X50CrMoV15 is not that hard. Consider this steel if you have just started learning how to sharpen an edge of a knife blade. You will be able to accomplish a razor-sharp edge easily and quickly without using an advanced sharpening tool. Any ordinary honing steel is enough for sharpening this steel’s edge. This ease of sharpening is a boon when you consider that X50CrMoV15 cannot hold its edge for a long time.

X50CrMoV15 vs. Other Knife Steel Options

Comparing the steel with other steel variants gives you a much better idea about it.

X50CrMoV15 vs. AUS10

AUS10 wins over the former in terms of edge retention ability. However, X50CrMoV15 is tougher and easier to sharpen.

X50CrMoV15 vs. VG10

VG10 is a type of high-carbon steel and has a superb edge-retention ability. Nevertheless, it is somewhat harder to sharpen. X50CrMoV15 is tougher than VG10.

X50CrMoV15 vs. 440C

440C has a higher level of corrosion resistance and holds its sharp edge better than the former. However, X50CrMoV15 is tougher and somewhat easier to sharpen than 440C. As 440C is not as tough as X50CrMoV15, it is likely to chip off.

X50CrMoV15 vs. X30Cr13

X30Cr13 is softer than the former due to less carbon, vanadium, and molybdenum content. Thus, it does not retain its edge well. However, X30Cr13 is better at preventing chipping and is easier to sharpen.

X50CrMoV15 vs. 8Cr13MoV

8Cr13MoV is an affordable option from China and is widely used by many knife brands. However, just like X50crMoV15, it does not retain a sharp edge very well. It is also not that resistant to corrosion, and is mainly found in cheap edc knives.

So, is X50CrMoV15 a Good Knife Steel?

The X50CrMoV15 stainless steel is worth considering if you need a reliable and affordable knife for use in your kitchen. This German steel has excellent hardness, toughness, and corrosion-resistance ability. Although it needs sharpening regularly, it is effortless to sharpen it.