Cast blast lined pipe and fittings
Cast blast lined pipe and fittings - industrial steel pipe
Cast stone lined steel pipes are designed for severe wear applications where conventional steel pipes fail due to abrasion and erosion.
Anti-wear cast stone lined steel pipes are engineered to provide long-term protection against abrasion, erosion and material impact in demanding industrial conveying systems. By combining a high-strength steel shell with a dense cast stone lining, these pipes offer superior durability compared with conventional carbon steel pipelines.
In industries such as mining, thermal power generation, cement manufacturing, metallurgy and dredging, abrasive materials continuously wear pipeline surfaces. Cast stone lining acts as a highly resistant barrier that significantly extends pipeline service life.
These pipes are widely used for transporting ash, coal powder, mineral slurry, tailings, sand, clinker, limestone powder and other abrasive bulk materials.
Cast stone is produced by melting selected natural rock materials at high temperatures and then carefully crystallizing the molten material into a dense wear-resistant structure. The resulting lining exhibits excellent hardness, low water absorption and outstanding chemical stability.
The steel outer shell provides structural support, pressure resistance and installation flexibility, while the cast stone lining protects the inner surface from continuous wear.
This combination creates a cost-effective solution for industrial pipelines operating under severe abrasion conditions.
A cast stone lined steel pipe is a composite pipeline consisting of a carbon steel or alloy steel outer shell and an internal cast stone lining. The lining serves as the primary wear-resistant layer, while the steel pipe provides mechanical strength and pressure containment.
This structure combines the advantages of both materials, making it suitable for high-abrasion and high-impact conveying applications.
| Layer | Function |
|---|---|
| Steel Outer Shell | Provides mechanical strength and pressure resistance. |
| Bonding Layer | Secures cast stone lining to steel substrate. |
| Cast Stone Lining | Provides wear, abrasion and corrosion resistance. |
| Property | Typical Value |
|---|---|
| Material | Cast Stone / Cast Basalt |
| Hardness | Mohs 8 – 9 |
| Density | 2.9 – 3.1 g/cm³ |
| Compressive Strength | ≥ 450 MPa |
| Water Absorption | < 0.2% |
| Operating Temperature | -40°C to 350°C |
| Abrasion Resistance | Excellent |
| Chemical Resistance | Excellent |
| Component | Function |
|---|---|
| Straight Pipe | Main conveying line. |
| Elbow | Directional change section. |
| Tee | Branch pipeline distribution. |
| Cross | Multi-directional flow distribution. |
| Reducer | Diameter transition section. |
| Y Piece | Flow splitting and combining. |
What is the difference between cast stone and cast basalt?
Cast basalt is one of the most common forms of cast stone used for wear-resistant applications.
Where are cast stone lined pipes typically used?
They are widely used in mining, power generation, cement production and bulk material handling industries.
Can custom sizes be manufactured?
Yes. Pipe diameters, lengths and fittings can be customized according to project requirements.
12 Products
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