Product
Chamfered LBC15S grade cemented carbide rod - metric (h5\h6)
China Lizhou Hard Alloy Source Factory
Grade：LBC15S
Classification :
Carbide Rod
keyword：
lizhou
LBC15s Tungsten Carbide Rods – High-Performance Carbide Solutions by Lizhou Carbide
Introduction to LBC15s Carbide Rods
As a leading carbide manufacturer with more than 30 years of expertise, Lizhou Carbide specializes in producing premium tungsten carbide rods for a wide range of cutting and wear-resistance applications. Among our advanced product grades, LBC15s carbide rods stand out for their balanced cobalt content, exceptional strength, and fine-grained microstructure. These rods are designed to meet the increasing demands of high-speed machining, precision cutting tools, and tough industrial environments.
2、Product Properties
Grade: LBC15S
Cobalt Content: 12%
Tungsten Carbide Content: 88%
Grain Size: 0.5μm
Density: 14.15g/cm3
Vickers Hardness: 1600Kg/mm2
Rockwell Hardness: 92.3
Bending Strength: 4300N/mm2
3、Meaning of Parameters & Their Technical Significance
Understanding the parameters of LBC15s carbide rods helps engineers and buyers select the right grade for specific machining needs:
Cobalt Content: Higher cobalt means greater toughness but lower wear resistance. At 10%, LBC15s offers balanced properties suitable for both roughing and finishing.
Flexural Strength: Indicates the maximum stress the rod can withstand before breaking; essential for tools subject to bending loads.
Hardness: Determines wear resistance. With 91.5 HRA, LBC15s can maintain sharp edges even during prolonged machining.
Density: Reflects material integrity; higher density means fewer internal defects.
Grain Size: Smaller grain sizes improve hardness and wear resistance while maintaining toughness. The 0.7 μm grains ensure a superior balance for demanding tool applications.
4. Applications of LBC15s Carbide Rods
LBC15s rods are engineered to perform in high-demand machining industries. Key applications include:
Cutting Tools
Solid carbide end mills
Twist drills and micro drills
Reamers, taps, and burrs
Router bits for wood and composite materials
Wear-Resistant Components
Punches and dies
Valve seats and nozzles
Precision measuring tools
Industries Served
Automotive: Engine parts, transmission components, and molds
Aerospace: High-temperature alloys, titanium machining
Mold-making: Injection molds, die-casting molds
General Engineering: Machining of stainless steel, carbon steel, cast iron, and non-ferrous alloys
Plastic & Composite Machining
Thanks to its fine grain structure, LBC15s performs well in machining composite and plastic materials where precision and surface finish are critical.
5. Features & Advantages
Compared to conventional carbide grades, LBC15s offers unique advantages:
Excellent balance of toughness and hardness – suitable for both interrupted and continuous cutting.
Fine-grain structure (0.7 μm) ensures sharp cutting edges and improved surface finish.
Extended tool life due to high wear resistance.
Resistance to thermal cracking, making it ideal for high-speed machining and dry cutting conditions.
High flexural strength (4200 MPa) enables stability in aggressive cutting operations.
Versatile grade – can handle a wide range of workpiece materials from hardened steels to non-ferrous alloys.
6. Precautions & Best Practices
To maximize the performance and service life of LBC15s carbide rods, users should follow best practices:
Proper Grinding Techniques
Use diamond wheels for grinding to maintain sharpness.
Ensure adequate coolant flow to prevent overheating.
Correct Coating Selection
Applying PVD or CVD coatings further enhances wear resistance and tool life depending on application.
Machining Parameters
Optimize feed rate and cutting speed according to the hardness of the workpiece.
Avoid excessive vibration or interrupted cuts that may cause edge chipping.
Storage and Handling
Store rods in a dry environment to prevent oxidation of cobalt binder.
Handle carefully to avoid micro-cracks before grinding or coating.
7. Technological Innovations at Lizhou Carbide
Lizhou Carbide has developed proprietary sintering and material refinement techniques that set LBC15s rods apart:
Ultra-fine grain technology: Achieved through advanced powder preparation, ensuring uniform microstructure.
Vacuum sintering processes: Improves density and reduces porosity for consistent mechanical strength.
Customized compositions: Ability to adjust cobalt content, grain size, and binder types for client-specific applications.
Coating compatibility: LBC15s rods are optimized for various coatings like TiAlN, AlCrN, and DLC, enhancing performance across industries.
Our 33 years of manufacturing expertise allow us to continuously refine carbide grades, providing global customers with reliable, high-performance solutions.
Conclusion
The LBC15s tungsten carbide rods by Lizhou Carbide deliver a powerful combination of 10% cobalt toughness, 4200 MPa flexural strength, 91.5 HRA hardness, and 0.7 μm fine grains. These properties make them a reliable choice for manufacturers seeking durability, precision, and efficiency in toolmaking and industrial applications.
By selecting Lizhou Carbide’s LBC15s rods, customers benefit not only from advanced material science but also from the commitment of a professional carbide factory with decades of experience and international reach.
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