What Are The Applications Of Carbide Strips?

Carbide strips are a type of carbide blanks that are mainly used in tool making. Similar to other types of carbide blanks, carbide strips are also made from WC powder and a binder, typically cobalt. Therefore, these strips also feature excellent hardness and durability, ideal for applications such as cutting, milling, and drilling. Today, we will focus on the applications of tungsten carbide strips. First of all, let’s discuss the definition.

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What are carbide strips?

Carbide strips or tungsten carbide strips are a type of carbide blanks that are frequently used in various industries, including woodworking, metalworking, mining, and construction, thanks to their outstanding wear resistance and hardness. They are made from WC powder and a metallic binder, typically cobalt, which can bind WC particles together. Carbide strips can withstand high temperatures during operation, thus resulting in increased productivity. In addition, they are abrasion resistant, making them ideal for cutting metals such as cast iron and stainless steel.

Applications of carbide strips

As mentioned above, carbide strip blanks are used in various industries due to their features. The following are some main applications.

1. Metalworking

One of the most important applications is cutting metals, including turning, milling, and grooving. With their hardness and durability, carbide strips can process a variety of metals such as steel, stainless steel, cast iron, and non-ferrous metals.

2. Woodworking

Carbide strip blanks can also be used in the manufacturing of woodworking cutters for wood cutting and shaping, including planer blades, carbide insert knives, and moulding knives. The high efficiency and precision of carbide strips ensure clean and smooth cuts.

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3. Mining and construction

Carbide strips can be used in various cutting tools such as bullet teeth, road milling teeth, roadheader bits, and more. With excellent cutting performance and wear resistance, carbide strips can reduce equipment downtime and improve drilling efficiency in different environments.

4. Wear parts

Apart from being wear-resistant, carbide strips are also abrasion and erosion resistant. Therefore, they can be used in the manufacturing of wear parts.

5. Medical

In the medical industry, carbide strips are suitable for the manufacturing of surgical instruments which require high precision and durability.

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We always use 100% virgin WC powder to produce our carbide strips. Customization services are also available. If you’re looking for a reliable supplier of tungsten carbide strips for your business, please request a quote for further information. Our professional salespeople are ready to provide tailor-made solutions for you.

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ALL ABOUT CARBIDE
TECHNICAL INFORMATION THE CUTTING PROCESS

• Intense concentrated force at the cutting edge separates the metal's individual crystals
• Continuous flowing chip is separated from the workpiece
• Chip moves up cutting tool face until chip's internal stresses cause a chip fracture and chip breaks away as a segmented or discontinuous chip
• Large amount of heat is generated at cutting edge during chip separation and as chip flows along cutting tool face
• Individual carbide grains are so very hard that they do not flow or deform under the intense forces and very high temperatures

CARBIDE PRODUCTION

• Carbide powders are created by heating metal powders, usually tungsten, and carbon to a very high temperature - over 2800ºF
• Resultant tungsten carbide powder grains are extremely hard and stable at elevated temperatures
• These carbide powders are sorted by grain size and recombined in appropriate ratios to achieve specified physical properties
• Cobalt metal powders are thoroughly mixed with the tungsten powders and forced under high pressure (30,000 psi) into multicavity molds of the desired shape and size
• Carbide rounds are made with an extrusion process
• Carbide blanks are low temperature pre-sintered to develop sufficient physical strength for handling
• Finally, the carbide blank is high temperature sintered at 2500ºF to 2900ºF; a dramatic shrinkage of almost 40% volume occurs as the carbide blank internally pulls together, resulting in an extremely dense & hard material

CARBIDE TECHNICAL

• Types of Carbide Powders
  • Tungsten Carbide (WC) - Primary carbide component
  • Titanium Carbide (TiC) - Added to increase resistance to abrasive wear or cratering of chip forming surface
  • Tantalum Carbide (TaC) - Added to increase resistance to cutting edge deformation at higher temperatures during heavy cuts
• Cobalt binder is a major factor in determining the carbide's hardness and toughness (see upper right graph)
• Toughness is the carbide's ability to withstand the mechanical shock or impact load experienced in the cutting process
• Carbide conducts heat away from cutting edge and chip formation surface two to three times faster than high speed steel
• Carbide surface is very hard and resists abrasive wear that results in early tool failure of high speed steel tools
• Micrograin carbides are used in positive-rake tool designs where a free cutting edge is needed but is relatively unsupported
• Tough shock resistant grades are softer and more prone to wear; harder wear resistant grades are less able to withstand shock loads in interrupted cuts (see lower right graph)

IMPORTANT NOTE: Some solid carbide tools now utilize a cobalt enriched cutting edge zone. HANNIBAL has utilized this same principle for many years - our hardened tough alloy steel bodies have always enabled us to select the carbide grade best suited for the cutting edge without the limitation of their lower structural strength.