Cement Lined Steel Pipe

Cement lined carbon steel pipe refers to the coating or centrifugal pouring of a layer of cement mortar inside the carbon steel matrix (such as standard pipes like ASTM A53, A106 or API 5L, etc.), and the formation of a protective layer after curing and solidification. This lining is widely used in water supply, seawater, wastewater, fire protection and chemical circulating water systems.

Mechanical strength: The cement layer is brittle and vulnerable to shock or sudden temperature changes (>60℃).
Weight increase: 10-20% heavier than ordinary carbon steel pipes, raising transportation and installation costs.
Maintenance requirements: Regular endoscopic inspection is required, and special repair materials are required for local damage.

Municipal water supply and distribution main pipeline
Thermal power generation and cooling circulating water system
Seawater intake and offshore platform
Wastewater, sewage and chemical discharge lines
Fire water network and high-rise building domestic water supply

ANSI/AWWA  C205:400  mm Cement mortar linings and coatings for steel pipe works and above.
ANSI/AWWA C602: Specification for field construction of cement mortar linings for piping systems.
AWWA Manual M11: Steel pipe design and installation guide.
AS 1281 (Australia) : Requirements for thickness of cement mortar lining.
ISO 4179: Corrosion protection and lining of pipelines.

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