Zibo Chenyi Advanced Materials Co., Ltd. is one of the leading manufacturers and suppliers of silicon nitride ceramic pipes in China, also supports customized service. If you're going to buy CE approved silicon nitride ceramic pipes made in China, welcome to get quotation from our factory. Quality products and low price are available.
Silicon nitride ceramic pipes
Silicon nitride ceramic pipes/tubes are tubular products made of silicon nitride (Si3N4), an advanced structural ceramic material. Silicon nitride is a highly regarded specialty ceramic in industry, often used to replace traditional metals, alloys, or other common ceramic materials due to its superior performance in extreme environments such as high temperature, high wear, and strong corrosion.

Features of Silicon nitride ceramic pipes
1. Excellent resistance to molten metal corrosion (highest highlight): A prominent characteristic of silicon nitride ceramics is that they are not wetted or corroded by most non-ferrous metal melts (such as aluminum, zinc, lead, tin, etc.). Therefore, they have an extremely long service life in high-temperature molten metal pools such as aluminum.
2. Extremely high thermal shock resistance: Silicon nitride has an extremely low coefficient of thermal expansion, meaning it can withstand drastic temperature changes (e.g., immersion directly in molten aluminum at thousands of degrees Celsius from room temperature) without shattering like ordinary glass or ceramics.
3. High temperature resistance and high strength: It maintains room temperature-level mechanical strength even at 1200℃, without softening or deforming.
4. Superior wear resistance and high hardness: Its hardness is extremely high (second only to a few materials such as diamond and silicon carbide), exhibiting excellent wear resistance when faced with high-speed airflow or solid particle friction.
Strong chemical stability: Except for hydrofluoric acid, it hardly reacts with other inorganic acids and also has strong oxidation resistance at high temperatures.
5. Non-polluting: No metal ions are released when conveying materials or measuring high-temperature liquids, ensuring the purity of the processed materials.

Applications
The core advantages of silicon nitride ceramic pipes: high toughness, thermal shock resistance, erosion and wear resistance, acid and alkali corrosion resistance, non-wetting of molten non-ferrous metals, and high temperature resistance, making them the preferred special ceramic pipe fittings for conveying/guiding in harsh working conditions.
I. Non-ferrous Metal Metallurgy (Core Application)
Molten Metal Conveying: Aluminum liquid, zinc liquid, copper liquid, magnesium alloy liquid guide pipes, conveying pipes, distribution pipes, casting pipes; They do not get wetted by molten metal, do not undergo chemical reactions, eliminate metal leakage and contamination, and significantly extend service life.
Smelting Auxiliary Piping Fittings: Furnace discharge pipes, flow channel linings, metal casting runners, thermocouple protection sheaths, high-temperature air ducts.
II. Steel & Thermal Power / Building Materials Industry
Blast furnace pulverized coal injection pipelines, wear-resistant pipelines for pulverized coal/mineral powder pneumatic conveying
Power plant ash removal, desulfurization slurry, and high-temperature dust exhaust gas conveying pipelines
Cement and lime kiln high-temperature powder scouring pipelines, solving pipe wall wear and high-temperature cracking problems
III. Chemical, Petrochemical & Environmental Protection Industry
High-temperature strong acid, strong alkali, and salt corrosive media conveying pipelines
Corrosive slurry and fluid containing particulate impurities conveying (dual requirements of wear resistance and corrosion resistance)
Waste incineration and hazardous waste treatment high-temperature flue gas and corrosive tail gas diversion pipelines
IV. New Energy & Semiconductor Photovoltaic
High-temperature sintering furnace, atmosphere furnace tubes, protective pipes, and reaction chamber fittings
Heat-resistant and heat-insulating pipelines for high-temperature sintering of photovoltaic and electronic materials
Lithium battery industry high-temperature powder and corrosive raw material conveying inner lining pipes
V. High-end Machinery & Specialty Industrial Applications:
High-pressure and high-temperature gas transportation; wear-resistant lined pipes for high-speed applications involving particulate matter (sand, slag, dust); thermal insulation and insulating guide pipes for aerospace and high-temperature equipment.

About Us
Based locally, serving globally. We are a leading manufacturer of silicon nitride ceramic pipes, and our products, boasting superior quality, are regularly exported to numerous countries including Australia, Canada, Russia, and Kazakhstan. We offer a complete product line, supporting full-size customization, and have a strong presence in heavy industries such as mining, power, cement, and chemicals. No matter the environmental challenges your project faces, we can provide the most suitable wear-resistant protection solutions to ensure the long-term stable operation of your equipment, reducing costs and increasing efficiency.
Packaging & Transportation
We deeply understand the unique characteristics of silicon nitride ceramic pipes as high-precision, high-value industrial components. To cope with the long and complex international transportation environment (sea, air, or rail), we have established an extremely stringent export packaging and logistics management system to ensure that every pipe arrives at your site flawlessly. 📦 Multiple layers of export-grade packaging standards:
Inner shock absorption protection: Each silicon nitride pipe is individually packaged. The surface is tightly wrapped with thickened bubble wrap and EPE pearl cotton, effectively preventing scratches from hard objects and providing excellent initial cushioning.
Customized slots and filling: For pipes of different sizes, we have customized high-density foam slots (EVA or polyurethane) inside the packaging box to firmly secure the pipes. All gaps inside the box are filled with cushioning air bags or shredded sponge to achieve "zero shaking, zero friction," completely eliminating pipe collisions during transportation.
Fumigation-free export wooden crate: The outer layer uses a high-strength, fumigation-free plywood crate that meets the International Plant Protection Convention (IPPC) standards. The wooden crate features a sturdy pallet structure at the bottom for easy forklift loading and unloading; the crate is reinforced with steel straps on all sides, strong enough to withstand the weight of stacking within a container and the violent rocking from sea conditions.
Moisture Protection and Clear Labeling: Considering the high salt and humidity environment of international maritime transport, the crate is pre-filled with industrial-grade desiccant and supplemented with a waterproof membrane. The exterior of the crate is printed with clear, internationally recognized shipping marks, as well as prominent warning labels such as "Fragile," "Handle with Care," "Keep Dry," and "Upward," standardizing the handling by logistics personnel.
🚢 Flexible and Reliable Global Transportation Network: Multimodal Transport Support: Whether you are located in mining areas of Australia, chemical plants in Canada, or heavy industrial bases in Russia and Kazakhstan, we can provide flexible FOB, CIF, or DDP/DAP trade terms. Depending on your delivery time and cost requirements, we support regular sea freight (FCL/LCL), China-Europe/Central Asia freight trains, and urgent air freight.
Professional Container Loading and Reinforcement: When loading goods into containers, our experienced loading and unloading team will ensure proper loading and use lashing straps, anti-slip mats, and air cushions for secondary reinforcement inside the containers to prevent displacement or overturning of the wooden crates during ocean voyages.
Worry-Free Guarantee Throughout the Journey: We maintain long-term partnerships with internationally renowned logistics companies and insurance companies, providing comprehensive cargo insurance (full coverage) for every shipment of export goods, minimizing logistical risks in international trade for you.

Contact Us
As a professional manufacturer of silicon nitride ceramic tubes, Zibo Chenyi New Material Co., Ltd. has successfully developed stable export business to international markets such as Australia, Canada, Russia, and Kazakhstan, earning a good reputation among its customers.
We offer a complete range of wear-resistant ceramic liners in various sizes and structures. All products can be customized to meet different industrial working scenarios and individual application needs.
Contact us for a quote or customization information.
E-mail:bonniejing@zbchenyi.com
Tel/WhatsAPP:+86 13864474677
