Basalt Lined Straight Pipe
Basalt Lined Straight Pipe - industrial steel pipe
Cast basalt composite straight pipes are engineered for severe wear applications involving slurry, ash, coal, minerals and bulk material transportation.
Cast basalt composite straight pipes are designed to provide reliable and long-lasting wear protection in abrasive material conveying systems. Combining a durable steel shell with a fused cast basalt lining, these pipes deliver exceptional resistance to abrasion, erosion and chemical attack while maintaining the structural integrity required for industrial operations.
In many industries, straight pipeline sections account for the majority of the total pipeline length. Although wear may be concentrated at bends and junctions, long straight runs are continuously exposed to abrasive particles that gradually erode conventional steel pipe walls.
By incorporating a cast basalt lining, composite straight pipes significantly extend service life and reduce maintenance requirements, making them a cost-effective solution for demanding applications.
The cast basalt lining is manufactured from selected volcanic basalt that is melted, cast and crystallized to form a dense and highly wear-resistant material. Once installed inside the steel shell, the lining creates a protective barrier capable of withstanding continuous exposure to abrasive slurries, powders and granular materials.
Cast basalt composite straight pipes are widely used in mining, power generation, cement production, metallurgy, dredging and bulk material handling industries where reliability and low operating costs are essential.
Cast basalt composite straight pipes are designed to provide reliable and long-lasting wear protection in abrasive material conveying systems. Combining a durable steel shell with a fused cast basalt lining, these pipes deliver exceptional resistance to abrasion, erosion and chemical attack while maintaining the structural integrity required for industrial operations.
In many industries, straight pipeline sections account for the majority of the total pipeline length. Although wear may be concentrated at bends and junctions, long straight runs are continuously exposed to abrasive particles that gradually erode conventional steel pipe walls.
By incorporating a cast basalt lining, composite straight pipes significantly extend service life and reduce maintenance requirements, making them a cost-effective solution for demanding applications.
The cast basalt lining is manufactured from selected volcanic basalt that is melted, cast and crystallized to form a dense and highly wear-resistant material. Once installed inside the steel shell, the lining creates a protective barrier capable of withstanding continuous exposure to abrasive slurries, powders and granular materials.
Cast basalt composite straight pipes are widely used in mining, power generation, cement production, metallurgy, dredging and bulk material handling industries where reliability and low operating costs are essential.
| Layer | Material | Function |
|---|---|---|
| Outer Layer | Carbon Steel / Alloy Steel | Mechanical strength and pressure resistance. |
| Intermediate Layer | Bonding Material | Secures the basalt lining to the steel shell. |
| Inner Layer | Fused Cast Basalt | Wear and corrosion protection. |
The production of cast basalt composite straight pipes involves a carefully controlled manufacturing process to ensure both dimensional accuracy and long-term wear performance.
| Property | Typical Value |
|---|---|
| Hardness | Mohs 8–9 |
| Density | 2.9–3.1 g/cm³ |
| Compressive Strength | ≥450 MPa |
| Bending Strength | ≥65 MPa |
| Water Absorption | <0.2% |
| Operating Temperature | -40°C to 350°C |
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