Alumina Lined Pipe
What Is an Alumina Lined Pipe?
An alumina lined pipe is a steel pipe internally fitted with high-purity alumina ceramic tiles or cylinders. Its purpose is to protect the pipe from severe abrasion, particle impact, and sliding wear caused by continuous material flow.
With hardness close to sapphire and outstanding chemical stability, alumina ceramic provides a long-lasting wear barrier in demanding industrial environments.
Key Advantages of Alumina Ceramic Pipe Liners
Exceptional Wear Resistance
Alumina ceramics reach HV 1500+, far exceeding alloy steel, basalt, or polyurethane. This significantly slows down material erosion and extends pipeline service life.
Excellent Impact Protection
High-strength ceramic blocks absorb and distribute impact from sharp or high-velocity materials, preventing the steel shell from puncturing or thinning.
Smooth, Low-Friction Flow Surface
The mirror-like ceramic surface reduces pressure loss and prevents material build-up, ideal for fines and slurry systems.
Long Service Life & Low Maintenance
Typical service life is 5–10 times longer than metal pipelines, lowering downtime and replacement cost.
Corrosion & Chemical Resistance
Stable even under acidic, alkaline or high-temperature operating conditions.
Where Are Alumina Lined Pipes Used?
Mining and mineral processing plants
Coal handling and ash discharge systems
Slurry transportation pipelines
Cement plant material conveying
Pneumatic conveying lines
Steel and smelting industry
Sand, gravel, and aggregate pipelines
Chemical and power generation industries
This product is ideal for any system exposed to abrasive particles, high-velocity flow, or repeated impact.
Available Lining Types
We provide multiple lining structures to match different flow conditions:
Ceramic tiles liner (straight or curved)
Ceramic cylinders liner
Ceramic mosaic liner
Weldable ceramic liners
Custom thick-wall alumina tubes
Technical Specifications Table
|
Inner diameter (mm) |
Length (mm) |
Thickness (mm) |
Tolerance |
|
0-100 |
0-250 |
10 |
+/- 1.5% |
|
100-180 |
0-300 |
15 |
|
|
180-240 |
20 | ||
|
240-300 |
|||
|
300-350 |
0-250 |
||
|
350-400 |
|||
|
400-450 |
25 |
||
|
450-500 |
|||
|
500-600 |
|||
|
600-750 |
30 |
||
|
Any special specifications can be based on your requirement. |
|||
Standard Pipe Construction
| Layer | Material |
|---|
| Inner Layer | Alumina Ceramic Liner |
| Middle | High-strength epoxy / bonding layer |
| Outer Shell | Carbon steel or stainless steel |
(Custom full-ceramic tubes available on request.)
FAQ – Frequently Asked Questions
1. How long does an alumina lined pipe last?
Depending on material abrasiveness and velocity, typical service life is 3–10 times longer than metal pipes.
2. Can the ceramic liner resist strong impact?
Yes. Our impact-resistant tiles and cylinders are designed for high-impact zones such as bends, elbows, and bifurcation pipes.
3. What pipe diameters are available?
We supply DN25–DN1200, with customized lengths, bends, reducers, and tees.
4. Can you customize the lining thickness?
Yes. Ceramic thickness ranges from 6 mm to 50 mm, depending on the wear level.
5. Is the installation difficult?
Straight pipes are delivered ready to install; elbows and custom shapes can be supplied pre-lined to reduce on-site labor.
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