Cemented Carbide Strips: An In-Depth Exploration

Tungsten carbide strips, composed of a metal matrix and cemented carbide particles, boast exceptional properties such as high hardness, strength, wear resistance, and corrosion resistance. These strips find applications in various fields, including manufacturing, aerospace, iron and steel metallurgy, mining engineering, petrochemical, automotive, and electronic industries. Their durability and performance make carbide strips ideal for cutting and grinding tools, as well as molds, dies, and other components requiring high wear resistance and thermal stability.

Cemented Carbide Strips: A Comprehensive Exploration

Introduction to Cemented Carbide Strips

Cemented carbide strips, also known as tungsten carbide sheets, carbide round bars, and tungsten carbide blocks, are multi-purpose materials crafted through powder metallurgy. This intricate process involves powdering, ball milling, pressing, and sintering to create a composite material that seamlessly blends a metal matrix with cemented carbide particles. Renowned for their exceptional properties, cemented carbide strips exhibit remarkable hardness, strength, wear resistance, and corrosion resilience, propelling their widespread adoption across diverse industries.

Characteristics and Properties

The exceptional performance of cemented carbide strips is attributed to a confluence of factors, including their intrinsic hardness, wear resistance, corrosion resistance, thermal stability, rigidity, impact resistance, and optimal thermal and electrical conductivity. These desirable characteristics render carbide strips an ideal choice for cutting and grinding tools, contributing significantly to the advancement of modern manufacturing.

Manufacturing Process

The production of carbide plates follows a meticulous sequence of steps:

1. Raw Materials: Tungsten carbide powder serves as the primary raw material.
2. Formulation: The powder is formulated based on the intended application requirements.
3. Wet Grinding: The powder is subjected to wet grinding to reduce its particle size.
4. Mixing: The ground powder is thoroughly mixed to ensure homogeneity.
5. Crushing: The mixed powder is crushed to achieve the desired particle size distribution.
6. Drying: The crushed powder is dried to remove moisture.
7. Sieving: The dried powder is sieved to separate particles of the desired size range.
8. Forming Agent Addition: A forming agent is added to the sieved powder.
9. Redrying: The mixture undergoes a second drying process.
10. Sieving: The dried mixture is sieved to obtain the desired particle size.
11. Granulating: The mixture is granulated to create uniform granules.
12. Pressing: The granules are pressed into the desired shape.
13. Forming: The pressed material is formed into a blank.
14. Sintering: The blank is sintered at high temperatures to create a cohesive structure.
15. Flaws Inspection: The sintered material is inspected for flaws.
16. Packaging and Warehousing: The flawless material is packaged and stored for distribution.

Advantages of Cemented Carbide Flat Bars

Cemented carbide plates offer a multitude of advantages that make them an exceptional choice for various applications:

• Thermal Stability and High-Temperature Resistance: Carbide plates possess excellent thermal stability and can withstand high temperatures without compromising their mechanical properties.
• Good Thermal Shock Resistance: Carbide plates exhibit superior resistance to thermal shock, allowing them to endure extreme temperature fluctuations without cracking or breaking.
• High Heat Transfer: Carbide plates efficiently conduct heat, making them ideal for applications requiring effective heat dissipation.
• Outstanding Oxidation Control: Carbide plates are highly resistant to oxidation, even at elevated temperatures.
• Excellent Anti-Chemical Corrosion Resistance: Carbide plates offer exceptional resistance to chemical corrosion, enhancing their durability in harsh environments.
• Unparalleled Wear Resistance and High Hardness: Carbide plates possess exceptional wear resistance and hardness, ensuring prolonged service life and precision performance.

Applications of Cemented Carbide Strips

Cemented carbide strips have found wide-ranging applications across various industries, including:

a. Manufacturing Industry

• Machining tools: Carbide inserts, cutting tools, drills, milling cutters, turning tools
• Molds: Carbide molds, stamping dies

b. Aerospace Industry

• Aircraft and spacecraft components: Engine blades, combustion chamber panels, missile tails

c. Iron and Steel Metallurgy Industry

• Wear-resistant and corrosion-resistant equipment parts: Sprue plates, stirring devices

d. Mining Engineering Industry

• Excavation tools: Cutting picks, drilling bits
• Crushing equipment: Jaw crushers, impact crushers
• Screening machinery: Vibrating screens, trommel screens

e. Petrochemical Industry

• Corrosion-resistant equipment parts: Reactors, converters, storage tanks, pipelines

f. Automobile Industry

• Engine components: Cylinder liners, brake discs, crankshafts, clutches

g. Electronic and Electrical Industry

• Heat dissipation equipment: Heat conduction plates, radiators

ZZbetter Tungsten Carbide Strip Grades

ZZbetter, a leading manufacturer of cemented carbide products, offers a comprehensive range of tungsten carbide strip grades, each tailored to meet specific application requirements:

• UBT910K20: High hardness, suitable for general fiber, aluminum foil, paper making, textile, and mechanical blades.
• UBT920K30: High hardness, good toughness, and overall performance, ideal for processing solid wood, mahogany, and non-ferrous metals.
• UBT10TK10: Ultra-fine grain size, high hardness, and wear resistance, suitable for finishing iron, non-ferrous metals, ceramics, hardwoods, and chipboard.
• UBT40SK40: Enhanced wear resistance, sharp cutting edge, and excellent weldability, used in processing food packaging, printing, aluminum foil, and mechanical blades.
• UBT10CK40: High toughness and tooth resistance, specifically designed for finger jointing tools.
• UBT15N: Mainly used for stamping molds and ceramic dies of electronic components, featuring non-magnetic properties.

Conclusion

Cemented carbide strips are indispensable materials in a myriad of industries, owing to their exceptional properties and versatility. Their ability to withstand harsh environments, resist wear and corrosion, and maintain high performance under extreme conditions makes them a cornerstone of modern engineering and manufacturing. As technology continues to advance, the applications of cemented carbide strips will undoubtedly expand, further shaping the future of various sectors.