
Alumina Ceramics
OR-WRP — Alumina-Lined Wear Resistant Steel Pipe
Steel pipes lined with Al₂O₃ tiles. Ø50–800 mm, liner 3–50 mm. Mohs 9, 260× harder than manganese steel. 50% lighter than solid steel. Resistant to acids, alkalis and organic solvents. Service life 10× standard steel pipe.
Available sizes
Ø50–100 mmØ100–200 mmØ200–400 mmØ400–800 mm
Variants
Liner 3–10 mmLiner 10–30 mmLiner 30–50 mmFlange / Quick connector
Performance Index
| Parameter | Value |
|---|---|
| Outer diameter | Ø50–800 mm |
| Ceramic liner thickness | 3–50 mm |
| Steel pipe wall | 4–8 mm |
| Mohs hardness (ceramic) | 9 |
| Abrasion resistance vs manganese steel | 260× |
| Weight vs solid steel | ~50% lighter |
| Service life vs standard steel pipe | 10× |
| Chemical resistance | Acids, alkalis, organic solvents |
OR-WRP wear resistant pipes combine a structural steel outer shell with an inner lining of high-alumina ceramic tiles, delivering exceptional wear life in bulk solids conveying, slurry lines and pneumatic transport.
DIMENSIONS
• Outer diameter: Ø50–800 mm
• Ceramic liner thickness: 3–50 mm
• Steel pipe wall: 4–8 mm
WEAR PERFORMANCE
• Mohs hardness: 9
• Abrasion resistance: 260× manganese steel, 170× high-chromium iron
• Service life: 10× standard steel pipe
WEIGHT
• Density 3.6 g/cm³ = approximately 50% of steel weight
• Lower load on support structures
SURFACE
• Inner surface roughness: 1/6 of steel pipe
• Reduces flow resistance and energy consumption
CHEMICAL RESISTANCE
• Resistant to acids, alkalis, salts and organic solvents
CONNECTION TYPES
• Flange connection
• Quick connector (coupling)
INSTALLATION METHODS
• Welding (with steel-backed tiles)
• Adhesive bonding
• Interlocking (mechanical fit)
Gallery


