Zhuzhou Yunrui Hardmetal Co., Ltd · Zhuzhou, China
Five polished tungsten carbide pins with domed tips and small cross holes fanned out on a white background

Tungsten Carbide Parts for Grinding and Milling Plants

Grinding and milling processes in industrial applications require components that maintain hardness and dimensional stability under high abrasion and thermal load. This page covers tungsten carbide pins, pegs, and balls produced here for bead mills and sand milling machines, and how they are specified for consistent performance.

What Goes Wrong Today

  • Carbide pins and balls wear out quickly in high-viscosity or abrasive slurries, reducing mill efficiency and increasing downtime
  • Steel pins with carbide tips fail at the weld interface under repeated thermal and mechanical stress
  • Inconsistent ball size or hardness leads to uneven particle distribution and poor finish in the final product
  • Parts that degrade in strong acids or bases require frequent replacement and increase maintenance cost
  • Lack of interchangeability between reorders causes alignment issues and rework during mill rebuilds

What Buyers In This Sector Need

  • High hardness and wear-resistant pins and balls that survive extended milling cycles
  • Components that maintain shape and hardness under continuous grinding and high temperature
  • Parts made to customer drawings for exact fit in existing mill designs
  • A sample that can be tested in service before committing to a bulk order
  • Repeatable dimensions and material properties across reorders to ensure consistent mill performance

Typical Applications

  • Tungsten carbide pins in bead mills processing low to highly viscous materials
  • Grinding balls and unground balls used in sand milling machines for pigment and ceramic production
  • Carbide pegs in high-speed mixing systems where wear resistance is critical
  • Bearings and finishing balls in mills exposed to strong acids and alkalis
  • Custom-shaped carbide pins made from customer drawings for specialized milling equipment

Delivery and Lead Time

  • Stock items ship 3-5 days after payment is received
  • Customised items carry a stated delivery time in the quotation
  • Existing moulds reduce lead time for repeat orders
  • All orders are tested before bulk production—physical properties, shape, and tolerance verified
Process

How An Enquiry Becomes A Delivered Part

Step 1

Send drawing or sample for review of geometry and material requirements

Step 2

Grade selected based on application—YG8 used for high wear resistance and temperature stability

Step 3

Mould or tooling prepared if not in stock; existing tooling reused for repeat shapes

Step 4

Pressing sintering and grinding to final dimensions and tolerances

Step 5

Sample provided for pre-testing if required

Step 6

Inspection photographs sent to buyer for confirmation before shipping

FAQ

Grinding and Milling Plants FAQ

Are you a trade company or a manufacturer?

We are a professional manufacturer with over 15 years of experience in tungsten carbide production, design, and processing.

Where is your factory located?

Our factory is located in Zhuzhou City, Hunan Province, China, a hub for tungsten carbide production.

Can I get a sample for pre-testing?

Yes. Samples are available for pre-testing before bulk production is approved.

Can you produce parts based on my drawing?

Yes. OEM and ODM services are available. We produce parts to customer drawings, including non-standard and specially shaped components.

Are the products tested before shipping?

Yes. Every order is tested before bulk production. Physical properties, shape, and tolerance are checked to ensure compliance with the drawing.

What is the lead time for my order?

Stock items ship within 3-5 days after payment. Customised items have a delivery time stated in the quotation.

How can I track my order progress?

Inspection photographs of the finished parts are sent to the buyer for confirmation before delivery.

Carbide Parts For Grinding and Milling Plants

Send a drawing or a photograph of the worn part with the operating conditions and we will recommend a grade with the quotation.