Large-diameter thin-walled spiral steel pipe is a kind of steel pipe with special structure and performance, its diameter is larger, the wall thickness is thinner, and the spiral pattern is usually used to strengthen the strength and bearing capacity of the steel pipe. This kind of steel pipe is widely used in oil, natural gas, chemical industry, water treatment and other fields at home and abroad. Spiral steel pipe processing manufacturers
1. Characteristics of large-diameter thin-walled spiral steel pipes.
The characteristics of large-diameter thin-walled spiral steel pipes are mainly manifested in the following aspects:
1.Large diameter: Large-diameter thin-walled spiral steel pipes usually have a large diameter, which can meet the piping needs of large-scale projects and equipment.
2.Thin wall thickness: Due to the thin-walled design, the large-diameter thin-walled spiral steel pipe can greatly reduce the weight and cost of the pipeline while ensuring the strength and bearing capacity.
3.Spiral pattern: The design of spiral pattern can not only improve the bearing capacity of the steel pipe, but also increase the rigidity and stability of the pipeline, so that the pipeline is not easy to deform and vibrate.
4.High strength and corrosion resistance: Large-diameter thin-walled spiral steel pipes are usually made of high-quality steel and advanced anti-corrosion technology, which have high strength and corrosion resistance, and can adapt to various complex environments and media.
5.Long life: Due to its good corrosion resistance and stability, large-diameter thin-walled spiral steel pipes have a long service life, which can reduce the cost of replacement and maintenance.
Second, the application field of large-diameter thin-walled spiral steel pipe.
Large-diameter thin-walled spiral steel pipes are widely used in the following fields:
1.Oil and gas field: used to transport oil, natural gas and other energy media, can adapt to a variety of complex environments and terrain conditions.
2.Chemical field: used to transport chemical raw materials, gases, etc., need to meet special requirements such as explosion-proof and anti-corrosion.
3.Water treatment field: used to transport clean water, sewage, etc., it needs to have good corrosion resistance and high fluid transportation efficiency.
4.Construction: It is used in the construction of infrastructure such as high-rise buildings, bridges, and highways, and needs to withstand large pressure and vibration loads.
5.Other fields: It is also widely used in shipbuilding, aerospace, electric power and other fields.
3. Production process of large-diameter thin-walled spiral steel pipe.
The production process of large-diameter thin-walled spiral steel pipe mainly includes the following steps:
1.Steel selection and treatment: select high-quality steel, surface treatment and rust removal to ensure the quality and anti-corrosion performance of steel pipes.
2.Spiral forming: A professional spiral forming machine is used to process the steel into the desired spiral shape to ensure the uniformity and continuity of the pipe wall.
3.Heat treatment and anti-corrosion: heat treatment and anti-corrosion treatment are carried out on the formed steel pipe to improve its mechanical properties and corrosion resistance.
4.Quality inspection and packaging: Strict quality inspection of finished products, including size, appearance, performance and other aspects of testing, to ensure that the product quality is qualified. Finally, it is packaged for easy transportation and storage.
5.Delivery and service: Deliver qualified steel pipes to the customer's designated location, and provide corresponding installation and use services.