What is X50CrMoV15 steel?
X50CrMoV15 Steel is a high carbon martensitic stainless steel produced by German manufacturers, it exhibits excellent corrosion resistance and wear resistance. X50 Cr MoV 15 is popularly used to make kitchen knives like cleavers, paring knives, utility knives, chopping knives, and chef knives.
German X50CrMoV15 steel is a mainstream knife steel popular in most knives in Germany and Europe, it may not be well known in other countries but its chemical composition closely resembles that of well-known AISI 440A stainless steel and 1.4116 stainless steel.
X50CrMoV15 stainless steel is also referred to as X50 Cr MoV 15 steel, X50 Cr Mo V15 steel, or X50 steel. Its composition is high in chromium elements, it is easy maintenance steel as it is highly resistant to rusting and fairly easy to sharpen due to the low Rockwell hardness. This makes it an ideal choice for most kitchen knives.
X50CrMoV15 Composition ( X50CrMoV15 Steel Chart)
- Carbon C 0.50%: Increases edge retention, hardness, and tensile strength. It also improves steel resistance to wear, abrasion, and corrosion.
- Chromium Cr 15.00%: Formation of Chromium carbides. Increases the blade’s hardness, tensile strength, and corrosion resistance.
- Vanadium V 0.20%: inhibits grain growth during elevated temperature processing and heat treatment, which enhances the strength and toughness of steel. It also forms carbides that increase wear resistance.
- Molybdenum Mo 0.80%: increases toughness and hot hardness. It also improves hardenability and forms carbides for wear resistance.
- Phosphorous P 0.04%: Considered an impurity but may Increase the strength and improves the machinability of steel
- Manganese Mn 1.00%: improves the strength and hardness of steel. When the steel is heat-treated, hardenability is improved with increased manganese.
- Silicon Si 1.00%: Increases strength and heat resistance.
- Sulfur S 0.015%: Improves machinability but is regarded as an impurity in high quantities.
Properties of X50CrMoV15 steel
The Rockwell Hardness of X50CrMoV15 steel is 56 HRC. However, X50CrMoV15 hardness ranges from 52 to 56 HRC depending on the manufacturer’s heat treatment. The low hardness is associated with the low amounts of Carbon in the X50CrMoV15 composition.
X50CrMoV15 can be kept soft at around 54 HRC for larger kitchen knives that are to be used for high-impact applications like Cleavers. It can also be hardened to 56 HRC for knives that favor edge retention and wear resistance like boning knives and Santoku knives.
X50CrMoV15 Steel Toughness
At a hardness of 54-56HRC, X50CrMoV15 steel offers decent toughness. X50 Cr MoV 15 knives can thus withstand high impact without chipping and breaking. The excellent balance between its toughness and hardness ensures that it can take abuse from daily applications.
The toughness level of X50CrMoV15 is attributed to its intermediate carbides content, which is not too large to break easily or too fine to attain a high HRC level. X50 Cr MoV 15 German steel toughness is comparable to the 440A steel and lower than HAP 40 steel.
X50CrMoV15 Steel Corrosion resistance
The high levels of chromium make X50CrMoV15 German steel stainless steel. This is one feature that makes X50CrMoV15 steel stand out among most knife steels. It is highly food safe and can be used in highly corrosive environments.
Stainless steel X50CrMoV15 corrosion resistance is on par with most premium steels like 420HC stainless steel and Elmax stainless steel. It is better than the likes of AUS 8 Steel and CPM 154 steel. It thus can also be used in the manufacture of outdoor knives.
X50CrMoV15 Steel Edge retention
The edge retention of this X50CrMoV15 steel can be described as good enough, especially for kitchen knives. It does not hold an edge for a long time compared to other steels on the market like VG 10 steel.
However, if you buy the knife for normal kitchen duties like cutting veggies, meat, and fruits, the edge retention will serve you well. On the other hand, if you need a knife for abrasive cutting, check the varieties of powder metallurgy steels like CPM S35VN Steel.
Sharpening X50CrMoV15 German steel
X50CrMoV15 steel knives are easy to sharpen. Sharpening German X50 steel is easy and it gets razor sharpness very fast. This steel is easy to sharpen, even for users with basic sharpening skills and tools.
Since stainless steel X50CrMoV15 does not retain an edge for long, it’s easy to sharpen property comes in handy as you will have to sharpen the knife often. It is thus easy to maintain knife steel.
X50CrMoV15 steel equivalent is 1.4116 stainless steel and AISI 440A stainless steel. These steels have almost similar alloy compositions, and their performance is mostly identical. 1.4116 stainless steel is popular in German knives, X50CrMoV15 popular in German and European knives, and AISI 440A steel is found in most United States knives.
X50CrMoV15 vs VG10
VG10 steel has higher Carbon and Vanadium in its composition than German X50CrMoV15. It offers excellent wear resistance, retains sharpness for a long time, and is tougher. While X50CrMoV15 is suitable for kitchen knives, VG 10 steel can be found in tactical and pocket knives due to its better edge-holding capability and corrosion resistance.
X50CrMoV15 vs 440C
AISI 440C steel is stainless steel with 17% to 18% chromium content. It has higher carbon content at 1.1% compared to X50CrMoV15 steel’s 0.50%. This carbon element gives it higher hardness and wear resistance while enhancing its edge retention properties.
X50CrMoV15 steel is a bit easier to sharpen than 440C steel due to its reduced Rockwell Hardness. X50CrMoV15 stainless steel also offers better corrosion resistance than 440C stainless steel.
X50CrMoV15 vs S30V Steel
S30V steel is a powder metallurgy steel with better alloy composition and better performance than X50CrMoV15. It has higher carbon content at 1.45% compared to the X50CrMoV15 steel’s 0.50%. This carbon gives it higher Rockwell hardness and wear resistance while enhancing its edge retention properties over X50CrMoV15 knife steel.
The Powder Metallurgy production process also results in a finer microstructure with uniform distribution of carbides, which greatly improves S30V knife steel toughness over those of X50 Cr Mo V15 steel.
X50CrMoV15 vs Cromova 18 Steel
Cromova 18 steel contains more Carbon than X50CrMoV15, offering better edge retention and wear resistance. Additionally, CROMOVA 18 contains more Chromium and therefore outshines German X50CrMoV15 knife steel in corrosion resistance.
X50CrMoV15 steel is easier to sharpen due to reduced wear resistance. German X50 Cr Mo V15 steel is common, affordable, and found in most knives compared to Cromova 18 Steel which is only found in Global knives.
X30Cr13 vs X50CrMoV15
X50CrMoV15 steel is better than X30Cr13 Steel in edge retention and wear resistance as it has higher carbon content. The increased carbon content enables X50 steel to achieve a higher Rockwell hardness thus enabling better edge retention and wear resistance.
X30Cr13 is softer steel than X50CrMoV15, this makes it easier to sharpen knives made from X30Cr13 steel compared to sharpening knives made from X50 CrMoV 15 stainless steel.
Is X50CrMoV15 steel good for Knives?
From the properties discussed above, X50CrMoV15 steel has good corrosion resistance, toughness and it is easy to sharpen, making it good for knives and especially kitchen knives.
X50CrMoV15 does not make it among the list of super knife steels, but this does not make it bad steel. If you buy stainless steel X50CrMoV15 knives and use them for the right purpose for kitchen duties, you will never regret your purchase.
My name is Jonathan M, and I’m a passionate Mechanical Engineer, a knife enthusiast, and the author of this website. I have a bachelor's degree in Mechanical engineering with a specialization in material science. I am particularly interested in researching knife steel, knife properties, and brands. I hope you will find value in the articles on this website. Contact me if you have any questions or input!