Tungsten Carbide Blades

  • Product name: Tungsten Carbide Blades
  • Particle: Ultrafine, Submicron, Medium, Coarse
  • Material: 100% Virgin Tungsten Carbide
  • Material: 100% Virgin Tungsten Carbide
  • Grade: Standard grade & Customized grade according to customers’ requirements
  • Surface: Blanks and finished grinding
  • Hardness: 89-93 HRA
  • Shape: Customized
  • Advantages: Excellent Wear Resistance, Corrosion Resistance, Impact resistance
  • Certificate: ISO 9001
  • Properties: Wear Resistance
  • Feature: Excellent Abrasion Resistance

Product Description

Tungsten Carbide Blades or Cemented Carbide Knives,  are usually used to process steel, cast iron, stainless steel and high temperature materials which have the requirements of greater efficiency and accuracy. What’s more, they are widely used for machining hard wood and laminated timber, which can make the tools sharp after long time usage. In order to reduce the stratification and burrs, some carbon fiber and glass fiber manufacturers choose tungsten carbide.

Features of Tungsten Carbide Blades

  • High hardness: The hardness of tungsten carbide blades is around 89-93 HRA, which is very similar to diamond.
  • Greater wear-resistance: They have the minimal wear during usage, this results them have longer service life.
  • Good hot-resistance: These knives and blades can keep high hardness and strength under high temperature, so they are suitable for rapidly cutting and high temperature conditions.
  • Excellent strength: Although tungsten carbide knives and blades are very brittle, bending strength is excellent, and can withstand larger cutting force.
  • Stable chemical performance: They are not easily to have chemical reactions with components during processing.

Specification of Tungsten Carbide Blades

Product nameTungsten Carbide Blades
Material100% pure tungsten carbide
ISO GradeStandard grade & Customized grade
Density12.9-15.3/㎝³
Sizecustomization
Lengthcustomization
SurfaceRough and finished grinding
AdvantageGood wear-resistant

Typical Applications

1. Metal Processing

In cold rolling, slitting lines, and flying shear systems, carbide blades maintain edge sharpness longer under high compressive loads.

2. Packaging and Film Converting

In plastic film slitting (BOPP, PET, PE), carbide circular and straight knives are widely adopted. For continuous soft packaging production, blade consistency directly affects yield rate and downtime.

3. Paper and Corrugated Board Industry

Their wear resistance reduces frequent blade replacement and minimizes machine downtime, particularly on high-speed corrugators.

4. Woodworking and Composite Materials

Carbide blades effectively resist abrasion caused by hard particles embedded in engineered materials.

5. New Energy and Electronics

In lithium battery electrode slitting and PCB processing, high precision and dimensional consistency are essential. Tungsten carbide blades offer excellent tolerance control and stable cutting performance under strict technical requirements.

FAQs

A1: Carbide blades provide higher hardness and superior wear resistance, making them ideal for high-load and long-duration cutting operations.

HSS blades offer better toughness and may perform better in applications involving impact or vibration. The correct choice depends on material characteristics and operating conditions.

A2: Proper installation, optimized cutting parameters, and stable machine conditions significantly reduce this risk.

A3: Yes. Most tungsten carbide blades can be reground multiple times using precision grinding equipment to maintain consistent edge geometry and surface finish.

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