Tungsten Carbide Nozzle/Carbide Blast Nozzle
This is a tungsten carbide nozzle designed for high-speed abrasive and corrosive environments. It is pressed and sintered from superfine tungsten carbide powder with cobalt binder. The nozzle is used in sand blasting, drilling, and…
Product Overview
This is a tungsten carbide nozzle designed for high-speed abrasive and corrosive environments. It is pressed and sintered from superfine tungsten carbide powder with cobalt binder. The nozzle is used in sand blasting, drilling, and precision cutting applications where wear resistance and chemical stability are critical. It is made to the buyer's drawing or standard size, with a focus on long service life under high-impact conditions.
Key Benefits
- Superior wear resistance compared to standard tungsten carbide, extending service life in abrasive environments
- High hardness and density reduce erosion from high-speed particles, maintaining consistent flow
- Chemically stable against acid, alkali, oil, and water, so it performs consistently across multiple fluids
- Low cobalt content (less than 0.6%) increases hardness and wear resistance in abrasive service
- Small thermal expansion coefficient maintains dimensional stability under thermal cycling
- Available in standard sizes or custom shapes to fit specific machine types including WHP, FLOW, JET, KMT, OMAX, and WS
- Samples provided for pre-testing before bulk order commitment
Technical Data
Values below come from the product data we publish. Anything not listed is confirmed against your drawing at quotation.
| Material | Cemented tungsten carbide (WC-Co) |
|---|---|
| Cobalt Content | Less than 0.6% |
| Density | 15.45 - 15.6 g/cm3 |
| Bending Strength | 2000 - 2400 MPa |
| Grain Size | Superfine |
| Shaping | Pressed and sintered from existing or new moulds |
| Finish | Ground to drawing |
| Dimensions | To customer drawing or standard sizes |
| Lead Time | Stock items 3-5 days after payment; customised items quoted per order |
Problems It Solves
- Steel or ceramic nozzles wear out quickly when exposed to high-speed abrasive particles, requiring frequent replacement
- Cobalt-rich carbide grades erode faster in abrasive service; low cobalt content improves wear resistance
- Thermal expansion in standard materials causes misalignment and leakage under cycling temperature
- Inconsistent nozzle geometry from off-the-shelf parts leads to uneven flow and reduced performance
- Lack of pre-testing samples leads to mismatched parts and production delays
Who It Is For
- Industrial equipment manufacturers specifying wear-resistant nozzles for sand blasting machines
- Mining and drilling equipment makers needing durable nozzles for coal and rock drilling
- Precision machining shops using carbide nozzles in continuous cutting operations
- Agricultural and municipal irrigation system suppliers requiring long-life spray nozzles
- Tool and machine builders integrating nozzles into high-pressure fluid systems
Application Scenarios
- Sand blasting nozzles in industrial surface cleaning and rust removal
- Drill bit nozzles in wind drills and electric drills for coal and rock excavation
- Precision cutting nozzles in nonstop die-cast iron machining
- Oil and spray nozzles in agricultural irrigation and urban greening systems
- Nozzles in high-pressure water jet cutting systems where erosion is rapid
Technical Features
- Made from superfine tungsten carbide particles for enhanced wear resistance
- Cobalt content less than 0.6% for high hardness and reduced binder erosion
- Density between 15.45 g/cm3 and 15.6 g/cm3, ensuring high structural integrity
- Bending strength between 2000 MPa and 2400 MPa, resisting fracture under pressure
- Sintered in over-pressure furnace to close porosity and stabilise dimensions
- Available in standard sizes or customised to drawing for specific machine types
- Low thermal expansion coefficient maintains fit under temperature cycling
Materials and Grades
- WC-Co cemented carbide with cobalt content below 0.6% for maximum wear resistance
- Superfine tungsten carbide particles to reduce grain boundary erosion
- Low cobalt binder minimises soft phase content, improving resistance to abrasive wear
- High-density structure reduces porosity and increases resistance to particle impact
Customisation Options
- Manufactured to customer drawings including non-standard and specially shaped nozzles
- Grade adjusted based on service conditions: lower cobalt for wear resistance, higher for impact
- Matched nozzle and housing pairs supplied together for optimal fit
- Samples produced for pre-testing before bulk release
How This Part Is Made
Drawing review and grade selection
Mould selection or new mould development
Powder blending with superfine WC and low cobalt content
Pressing on imported press for uniform green density
Over-pressure sintering to close porosity and stabilise dimensions
Grinding to final drawing and tolerance
Dimensional and physical property inspection
Packing and shipping
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 drawing with the fluid, particle size, pressure, and temperature so the grade can be matched
- Order the nozzle and mating housing together to ensure proper fit and alignment
- Avoid sudden thermal shock by allowing the nozzle to equalise with operating temperature
- Use only on machines designed for carbide nozzles; improper mounting can cause stress and cracking
- Keep one sample from the first batch for comparison when measuring wear in future orders
How It Compares With The Alternatives
| Alternative | Trade-off |
|---|---|
| Hardened steel nozzle | Steel is cheaper and easier to machine, but wears out rapidly in abrasive service, leading to frequent replacement and downtime |
| Ceramic nozzle | Ceramic has high hardness but is brittle under impact; carbide tolerates shock better in drilling and blasting applications |
| Standard tungsten carbide nozzle | Standard grades have higher cobalt content and lower hardness; this nozzle uses less than 0.6% cobalt for superior wear resistance |
Tungsten Carbide Nozzle/Carbide Blast 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. We can produce custom shapes and sizes.
Can I get a sample before placing a bulk order?
Yes. Samples are available for pre-testing. Send the drawing and 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?
It depends on the service. Lower cobalt grades such as YG6 or YL10.2 offer better wear resistance in clean abrasive service; higher cobalt grades tolerate impact better. For this nozzle, cobalt content is less than 0.6% for maximum wear resistance.
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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.