Performance Requirements of Casing Pipe in Different Industries

In the use of casing pipe, different industries often have their own special performance requirements‌. For example, in the petrochemical industry, corrosion resistance and high temperature resistance are required, while in the power industry, insulation performance and fire resistance are required. So. What are the special requirements for casing pipe in different industries?

Petrochemical industry

1. Corrosion resistance

Due to frequent contact with various corrosive media, such as acids, alkalis, salts and hydrogen sulfide in oil and gas, the casing pipe needs to have excellent corrosion resistance, and stainless steel, alloy steel or casing pipe lined with anti-corrosion materials are usually used.

2. High temperature and high pressure resistance

In the process of oil extraction and chemical production, there is a high temperature and high pressure environment. The casing pipe must be able to withstand the scouring and high pressure of high temperature fluids. The material must have high strength and good high temperature resistance, such as P110, C90 and other steel grade casing pipes.

3. Sealing performance

To prevent oil and gas leakage, the connection between the casing pipe and the pipeline and equipment must have good sealing performance, and special sealing structures and sealing materials are often used, such as metal sealing rings, rubber sealing rings, etc.

Power industry

1. Insulation performance

The casing pipe used for power transmission and equipment protection must have good insulation performance to prevent current leakage and short circuit accidents, such as casing pipe made of insulating materials such as ceramics and glass fiber.

2. Fireproof performance

In power plants and other places, the casing pipe must have certain fireproof performance to prevent the occurrence and spread of fire accidents, such as casing pipe made of flame retardant materials or coated with fireproof coatings.

3. Mechanical strength and wear resistance

Power equipment may generate vibration and mechanical stress during operation. The casing pipe must be able to withstand these external forces and have sufficient mechanical strength and wear resistance, such as casing pipe made of high-strength alloy steel or wear-resistant materials.

Construction industry

1. Waterproof performance

The casing pipe used for building water supply and drainage, underground waterproofing and other projects must have good waterproof performance to prevent water leakage, such as using flexible waterproof casing pipe or rigid waterproof casing pipe, and sealing with waterproof sealing materials.

2. Corrosion resistance and durability

Long-term exposure to the natural environment, the casing pipe must have certain corrosion resistance and durability, such as using hot-dip galvanized steel pipes, stainless steel pipes or casing pipes coated with anti-corrosion coatings.

3. Compatibility with building structures

The installation of the casing pipe must be adapted to the building structure and should not affect the overall stability and aesthetics of the building, such as choosing a suitable installation method and location according to the characteristics of the building structure.

Metallurgical industry

1. High temperature resistance and wear resistance

In the metallurgical production process, such as steelmaking and ironmaking, the ambient temperature is high and there is a large amount of metal dust and material scouring. The casing pipe must have high temperature resistance and wear resistance. Casing pipes made of high temperature and wear-resistant materials such as ceramics and silicon carbide are often used.

2. Thermal shock resistance

Frequent temperature changes will cause thermal stress in the casing pipe, so the casing pipe is required to have good thermal shock resistance and be able to maintain stable performance under rapid cooling and heating conditions without cracking or damage.

Transportation industry

1. Flexibility and fatigue resistance

Cable protection casing pipes used in vehicles, ships and other means of transportation need to have good flexibility and fatigue resistance and be able to adapt to the vibration and bending deformation of the vehicle, such as casing pipes made of flexible materials such as rubber and plastic.

2. Weather resistance

Long-term exposure to outdoor environments, the casing pipe must be able to resist the erosion of natural factors such as sunlight, rain, wind and sand, and have good weather resistance, such as casing pipes made of weather-resistant plastics or coated with weather-resistant coatings.

Summary

The above are the special requirements for the performance of casing pipes in common industries. In the daily use of casing pipes, it is necessary to choose according to the environment and requirements of use. Choosing the right casing pipe will get twice the result with half the effort and also help improve work efficiency.