Carbide Dies
Carbide Cold Forming Dies
Cold dies extrusion dies and drawing dies for wire rod tube and fastener production
Product Detail
Carbide Dies
Tungsten Carbide Hot Forging Dies
Sinter-HIP densified dies for engine valve heading and hot forming
- Cavity shape holds. The formed part stays in tolerance for longer because the cavity does not wash out.
- Sinter-HIP densification. Hot isostatic pressing during sintering reduces internal porosity that would start cracks.
- Fewer press stops. Longer die life means fewer changeovers and fewer scrap parts at restart.
Product Overview
Overview
Tungsten carbide hot forging dies are used where hot metal is formed at high pressure and where a steel die would lose its cavity shape after a short run. Our forging dies are densified by Sinter-HIP which closes residual porosity that would otherwise act as a crack starter under repeated impact.
Application Scenarios
- Engine valve heading
- Hot forging of fasteners and shafts
- Ball and taper roller heading for the bearing industry
Problems It Solves
- Die cavities wear open and the formed part drifts out of tolerance
- Micro cracks start at porosity left after conventional sintering
- Every die change costs a press setup and a batch of scrap parts
Key Benefits
Why Customers Specify This Product
Cavity shape holds
The formed part stays in tolerance for longer because the cavity does not wash out.
Sinter-HIP densification
Hot isostatic pressing during sintering reduces internal porosity that would start cracks.
Fewer press stops
Longer die life means fewer changeovers and fewer scrap parts at restart.
Blank or finished
Take a ground blank for your own tool room or a finished die machined to drawing.
Technical Features
Materials
Technical Features
- Sinter-HIP densified carbide body
- Ground faces on blanks
- Cavity geometry produced by grinding and EDM
- Dimensional inspection before packing
Material and Grade
Cemented tungsten carbide consisting of tungsten carbide grain in a cobalt binder. Binder content and grain size are chosen against your load case because hardness and toughness move in opposite directions. Our engineers propose a direction and explain the trade off rather than quoting a grade code you cannot verify. See the grade guide.
Specifications
Specification Sheet
| Product form | Forging die die insert or die blank |
|---|---|
| Material | Cemented tungsten carbide (WC with cobalt binder) |
| Densification | Sinter-HIP |
| Finishing | Grinding and EDM to drawing |
| Dimensions | To drawing or to a sample die |
| Grade | Selected with our engineers against forming load |
Dimensions tolerances and grade are confirmed on the approved drawing before production. Figures that are not listed here were not published by the factory and will be confirmed with your enquiry.
How It Is Made
Manufacturing Process and Quality Control
Every part follows the same production route. Critical dimensions are agreed on the drawing so both sides measure the same thing.
1. Powder PreparationBall milling and spray drying to a uniform granulate
2. PressingBlank pressed with machining stock where required
3. Sinter-HIPDensified under isostatic pressure to reduce porosity
4. MachiningGrinding EDM and lapping to the approved drawing
5. InspectionCritical dimensions checked before packing
6. Export PackingProtected packing for air or sea freight
Certifications
Certificate copies and material documentation are supplied on request with your order. We do not publish certificate claims that we cannot show you so ask for exactly what your import or QA process requires and we will confirm what can be provided.
Customization Options
- Dimensions to your drawing
- Grade direction matched to the load case
- Surface condition as sintered ground or lapped
- Part marking on request
- Packing adapted to air or sea freight
Compared With Other Options
- Versus hardened tool steel — far better wear resistance but more brittle so mounting matters
- Versus other carbide in this range — see the related products below for the closest alternative form
- Versus a fabricated assembly — a one piece carbide part removes joints and alignment work
Use Guide
Fitting and Service Guide
- Check the seat is clean and undamaged before fitting. Uneven support is the most common cause of early failure.
- Use even pressure. Never drive a carbide part into a holder by impact.
- Follow the interference fit agreed on the drawing rather than adjusting the carbide.
- Store parts separated and supported. Carbide chips carbide when parts knock together.
- Log the run time achieved so replacement becomes planned maintenance.
Photographs of carbide forging dies and related parts from our own production.
Related Reading
Related Application Case and Guide
Metal Forming and Wire Drawing
Dies plugs and drawing tools
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FAQ
Carbide Forging Dies FAQ
Why does Sinter-HIP matter for forging dies?
Forging dies fail from cracks that start at internal defects. Sinter-HIP applies pressure during sintering which closes residual porosity so there are fewer of those starting points.
Can you produce the die cavity or only the blank?
Both. Many customers buy ground blanks and cut the cavity in their own tool room. We can also finish the cavity by grinding and EDM to your drawing.
Can you copy an existing die?
Send the worn die dimensions and clear photos and we will prepare a drawing for your approval first. We do not start cutting from photos alone.
Next Step
Request a Quotation for Carbide Forging Dies
Send the drawing quantity and application. If you only have a worn sample send photos with measured dimensions and we will prepare a drawing for your approval.
Send a drawing or a sample photo on WhatsApp or by email. Files are reviewed by our production engineers, not by a form.