Tungsten Carbide 3d Printer Nozzle
This is a tungsten carbide nozzle designed for use in 3D printing systems. It is made from a high-density WC-Co composite with nickel and iron additives, providing high hardness, strength, and resistance to wear and thermal expansion. The…
Product Overview
This is a tungsten carbide nozzle designed for use in 3D printing systems. It is made from a high-density WC-Co composite with nickel and iron additives, providing high hardness, strength, and resistance to wear and thermal expansion. The nozzle is suitable for continuous high-speed printing with abrasive or high-temperature filaments. It is available in standard sizes or customised to drawing.
Key Benefits
- High hardness and wear resistance extend nozzle life in abrasive filament printing
- Small coefficient of thermal expansion reduces dimensional drift during thermal cycling
- High thermal conductivity allows efficient heat transfer from the heating block
- High strength and density resist deformation under high pressure during extrusion
- Good electrical conductivity and weldability support integration into custom printer designs
Technical Data
Values below come from the product data we publish. Anything not listed is confirmed against your drawing at quotation.
| Material | Tungsten carbide (97% WC, 2.1% Ni, 0.9% Fe) |
|---|---|
| Grade | YG6X |
| Outer Diameter | 0.2 mm, 0.4 mm, 0.6 mm, 0.8 mm, or custom |
| Length | 14 mm standard, custom lengths available |
| Density | 16.5-18.50 g/cm³ |
| Hardness | 84-93 HRA |
| Tensile Strength | 700-1000 MPa |
| Thermal Conductivity | 5 times that of steel |
| Thermal Expansion | 1/2 to 1/3 of iron or steel |
| Lead Time | Stock items 3-5 days after payment; customised items quoted per order |
Problems It Solves
- Standard brass nozzles wear out quickly when printing with carbon fibre or glass-filled filaments
- Thermal expansion in standard nozzles causes inconsistent flow and layer shifts
- Low thermal conductivity in some materials leads to heat build-up and filament degradation
- Nozzle deformation under pressure causes inconsistent extrusion and print failure
- Lack of compatibility with high-temperature or abrasive filaments limits material choice
Who It Is For
- 3D printer manufacturers integrating wear-resistant nozzles into industrial systems
- Industrial users running high-volume or high-abrasion filament printing
- R&D labs testing high-temperature or composite materials in 3D printing
- Tooling and mould shops using 3D printing for rapid prototyping with abrasive materials
- Custom printer builders requiring a durable, high-performance nozzle with consistent flow
Application Scenarios
- Continuous printing with carbon fibre or glass-filled filaments that abrade standard brass nozzles
- High-temperature printing with PEEK or PEI filaments that degrade standard nozzles
- Industrial 3D printing systems requiring long service intervals without nozzle replacement
- Precision printing in aerospace or medical applications where nozzle consistency is critical
- Custom printer builds where the nozzle must fit a non-standard mounting or thermal block
Technical Features
- Made from 97% WC with 2.1% Nickel and 0.9% Fe additives for enhanced sintering and wear resistance
- High density of 16.5-18.50 g/cm³ achieved through over-pressure sintering
- Tensile strength of 700-1000 MPa for structural integrity under extrusion pressure
- Coefficient of thermal expansion is 1/2 to 1/3 that of iron or steel
- Thermal conductivity is 5 times that of steel, enabling rapid heat transfer
- Hardness range of 84-93 HRA for resistance to abrasion and deformation
- Good electrical conductivity and weldability for integration into custom systems
Materials and Grades
- 97% tungsten carbide with 2.1% nickel and 0.9% iron additives for improved sintering and wear resistance
- High-purity tungsten raw materials used in production
- Nickel and iron act as binders and enhance densification during sintering
- No cobalt used in this grade; instead, nickel and iron provide the matrix structure
Customisation Options
- Made to customer drawing for non-standard sizes or shapes
- Grade adjusted based on filament type and service conditions
- Inner bore and outer diameter customised to match printer specifications
- Samples provided for pre-testing before bulk order commitment
How This Part Is Made
Raw material blending with high-purity tungsten and alloying elements
Pressing on imported press for consistent green density
Over-pressure sintering to achieve high density and structural stability
Machining to final dimensions including inner bore and outer diameter
Grinding and polishing to meet dimensional and surface finish requirements
Inspection of physical properties and dimensions before shipping
Packing and shipping with inspection photos sent for confirmation
Quality Control
- Physical properties, shape and tolerance are checked before shipping
- Every order is tested before bulk production is released
- Inspection photographs of the finished order are sent for confirmation before delivery
Use Guide
- Send the filament type, temperature range, and extrusion pressure so the grade and dimensions can be matched
- Use the nozzle within its thermal and pressure limits to avoid deformation or cracking
- Clean the nozzle regularly to prevent clogging, especially with high-temperature or composite filaments
- Avoid sudden temperature changes to prevent thermal shock and cracking
- Keep one sample from the first batch for comparison when measuring wear in later batches
How It Compares With The Alternatives
| Alternative | Trade-off |
|---|---|
| Brass nozzle | Brass is cheaper and easier to machine, but wears rapidly with abrasive filaments, leading to inconsistent extrusion and frequent replacement |
| Stainless steel nozzle | Stainless steel has better strength than brass but lower hardness and thermal conductivity, leading to faster wear and heat retention |
| Standard tungsten carbide nozzle (WC-Co) | This nozzle uses nickel and iron instead of cobalt, offering better corrosion resistance and thermal stability in high-temperature environments |
Tungsten Carbide 3d Printer Nozzle FAQ
Are you a trade company or a manufacturer?
A manufacturer. The company has produced tungsten carbide parts for over 15 years and takes on design and processing of carbide products with technical support.
Where is your factory located?
Zhuzhou City, Hunan Province, China, which is the country's tungsten carbide production base.
Can you make nozzles to my own drawing?
Yes. OEM and ODM to customer drawings is standard for this part, including non-standard and specially shaped nozzles.
Can I get a sample before placing a bulk order?
Yes. Samples are sold for pre-testing. Send the drawing and the service conditions and a sample can be quoted.
How long does an order take?
Stock items are shipped 3-5 days after payment is received. Customised items are given a delivery time in the quotation.
How do I know the parts were checked before they shipped?
Physical properties, shape and tolerance are inspected before shipping, and detailed inspection photographs of the order are sent for confirmation before delivery.
Which grade should I choose?
This nozzle uses YG6X with nickel and iron binders. It is selected for high wear resistance and thermal stability. If your application involves high temperature or corrosive materials, this grade is recommended.
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Send the drawing or the dimensions plus what the part runs against. Samples are available for pre-testing before a bulk order.