Carbide Blocks

Overview

Carbide Blocks are robust, high-performance tungsten carbide (WC-Co) components designed for heavy-duty industrial applications that demand exceptional wear resistance, impact toughness, and dimensional stability. These blocks are manufactured through advanced powder metallurgy techniques, combining fine tungsten carbide particles with a cobalt binder to create a composite material that outperforms conventional steels and other hard materials in harsh operating environments. Available in both standard and custom sizes, they serve as the foundation for tools and components that endure extreme loads, abrasion, and high-speed friction.

Features

Extreme Wear Resistance: Hardness up to 93 HRA ensures minimal edge wear when processing abrasive materials like concrete, granite, or sintered powders.

High Impact Toughness: Cobalt-rich grades (20%–30% Co) absorb shocks from sudden load changes, making them suitable for impact tools like rock drills and demolition bits.

Customizable Dimensions: Standard sizes range from 10mm x 10mm x 10mm to 300mm x 300mm x 100mm, with custom shapes (rectangular, cylindrical, 异形) available via precision grinding or EDM.

Thermal Conductivity: Efficient heat dissipation reduces thermal stress during high-speed machining, prolonging tool life in continuous operation.

Corrosion Resistance: Cobalt binder resists chemical attack in wet or acidic environments, making these blocks suitable for marine and chemical processing applications.

Applications

Mining & Construction: Used as drill tips in rotary percussion drills for excavating hard rock, where their wear resistance reduces replacement frequency and boosts productivity.

Metal Forming: Die blocks in hot forging presses, enduring temperatures up to 1,200°C and compressive forces exceeding 5,000 tons when shaping steel billets.

Woodworking & Composite Machining: Cutting blocks for panel saws processing abrasive materials like particleboard and fiberglass composites, maintaining edge sharpness for consistent cuts.

Oil & Gas Exploration: Downhole tools such as stabilizers and reamers, resisting erosion from high-velocity drilling fluids and hard shale formations.

FAQ

Q: How do Carbide Blocks compare to high-speed steel (HSS) in impact applications?

A: Carbide blocks have higher hardness but lower ductility than HSS. For high-impact scenarios, choose cobalt-rich grades (20%+ Co) to balance toughness, or use carbide-tipped tools with steel backings for hybrid strength.

Q: Can these blocks be brazed onto steel substrates?

A: Yes, vacuum brazing with nickel-based alloys is standard for attaching carbide blocks to tool bodies. Proper surface preparation and temperature control are critical to ensure bond integrity.

Q: What is the recommended storage condition for unused blocks?

A: Store in dry, sealed containers to prevent cobalt oxidation. Avoid contact with moisture or acidic gases, which can cause surface corrosion over time.

Q: Do you offer heat treatment services for Carbide Blocks?

A: Carbide is used in its sintered state; no additional heat treatment is required. However, we can provide post-sintering processes like HIP (hot isostatic pressing) for enhanced density in specialized applications.

Drillstar Tungsten carbide flats and squares, in as sintered sizes, L=330mm

X: delivery from stock, acc general conditions

Other: Special executions, grades or dimensions upon request

Drillstar Tungsten carbide blocks

X: delivery from stock, acc general conditions

Other: Special executions, grades or dimensions upon request