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W1 Steel

W1 Steel – A High Carbon Tool Steel for Tough Jobs

The Ultimate Guide to W1 Steel

W1 tool steel is a popular material in the manufacturing industry due to its excellent wear resistance, hardenability, and toughness. The presence of carbon as the primary alloying element increases the steel’s hardness, while the addition of chromium further enhances its wear resistance. Vanadium, when added to W1 steel round stock, improves its toughness, making it more resistant to cracks and fractures.

One of the notable characteristics of W1 steel grade is its ability to be quickly set by heating and quenching in water. However, this process can cause some distortion in the material. Despite this, it remains a popular choice for a variety of applications, including cutting tools, knives, and other industrial tools.

The chemical composition of W1 steel includes various elements, such as manganese, silicon, nickel, molybdenum, tungsten, copper, phosphorus, and sulfur. The presence of these elements plays a vital role in determining the steel’s mechanical and physical properties.

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Applications of W1 Round Stock

W1 round stock is a high-carbon tool steel commonly used in various industrial applications. Here are some examples of its applications:

  • Tool making: W1 round stock is commonly used to produce chisels, punches, and woodworking knives due to its toughness and sharp edge.
  • Blades and knives: Due to their high carbon content and excellent hardness, W1 round stock is often used in producing swords and knives, especially for cutting materials that require high precision and durability, such as paper, leather, and textiles.
  • Machining and metalworking: W1 steel round stock is widely used in machining and metalworking applications due to its excellent wear resistance and ability to hold tight tolerances.
  • Automotive and aerospace industries: W1 round stock is also used in the automotive and aerospace industries to produce components that require high strength and durability, such as gears, shafts, and springs.
  • Medical equipment: W1 round stock is sometimes used in producing surgical instruments due to its ability to hold a sharp edge and resist corrosion.

W1 round stock is a versatile material that finds use in a wide variety, various from tool making and machining to aerospace and medical equipment. Its high carbon content and excellent toughness are popular for applications where strength, durability, and precision are essential.


As such, it is now understandable why this type of alloy steel is sought after getting a quick review of its components.

Consequently, its high machinability is highlighted as it is commonly combined with sulfur to further improve its machinability and make carburizing processes more effective.

With its excellent machinability, this even elevated this alloy steel’s prominence among industries.

Fortunately, Advance Grinding Services never runs out of 4140 alloy steel bars and can very much supply your needs especially if you are operating in the Illinois area!


Density 7.7-8.0
Tensile Strength 95000 psi
Yield Strength 60200 psi
Hardness (Brinell) 197
Hardness (Knoop) 219
Hardness (Rockwell) 92
Hardness (Vickers) 207
Machinability 65

Why You Should Buy W1 Steel Round Stock​

W1 steel is high-carbon steel highly valued for its excellent toughness, wear resistance, and ability to hold a sharp edge. Here are some reasons why people should consider buying it:

  • High hardness and wear resistance: W1 round stock has a high carbon content, which gives it exceptional hardness and wear resistance. This makes it ideal for applications where the tool will be subject to repeated use and wear.
  • Excellent toughness:  Despite its high hardness, W1 tool steel also has excellent toughness, which means it can withstand shock and impact without cracking or breaking. This makes it a popular choice for applications that require both hardness and toughness, such as chisels and punches.
  • Holds a sharp edge: It has excellent edge retention, which means it can save a sharp edge for a long time, even with heavy use. This makes it popular for cutting tools such as knives, blades, and saws.
  • Versatile: W1 round stock can be used in various applications, from tool making and metalworking to automotive and aerospace industries. Its versatility makes it popular for anyone needing high-performance tool steel.
  • Cost-effective: It is cost-effective compared to other high-performance tool steels, such as D2 or M2. This makes it an attractive option for those who need high-quality steel on a budget.

Purchase Quality W1 Steel Stocks!

Advance Grinding Services has the right kind of steel that you need to help you keep up with your business or latest venture. If you want to acquire the best W1 steel round stock forged in the industry, then you’ll be happy to know that Advance Grinding can provide you with just that. We understand the value of supplying our clients with quality metal. That is why you should trust us to supply you with top-tier, high-quality metals.

Contact us at Advance Grinding today so that you can get a quote on the alloy that you need. We’ll make sure that you’re equipped to take on any project you have to face by providing you with hardy material that you can rely on.

W1 round stock is an excellent choice for anyone needing performance steel with exceptional hardness, toughness, wear resistance, and edge retention. Its versatility and cost-effectiveness make it a popular choice for a wide variety of applications. If you need stocks today, call or request a quote from us!