Changsha Xiangjia Metal Materical Co., Ltd.

The material of   large - diameter steel pipes   mainly depends on specific application scenarios and requirements, such as conditions of withstanding pressure, temperature, and corrosion. The following are some common materials for large - diameter steel pipes: Carbon steel: It is mainly used for general transmission pipelines and has fairly good pressure - bearing capacity and corrosion - resistance performance. Stainless steel: It is suitable for highly corrosive and high - temperature environments, such as in the fields of chemical industry and seawater desalination. Alloy steel: It is suitable for high - temperature and high - pressure environments, such as in the fields of petroleum and chemical industry. Copper alloy: It is suitable for transporting high - purity gases and liquids, such as in the fields of aerospace and electronics. Aluminum alloy: It is lightweight and suitable for transporting low - pressure gases and liquids, such as in the fields of ventilation and ...

Spiral steel pipes   are extremely important piping materials in modern industry. Due to their high structural strength, convenient construction, and good cost - effectiveness, they are widely used in many fields such as petroleum, natural gas, water conservancy, and construction. Spiral steel pipes of different diameters can meet different engineering requirements. The following will describe the application scenarios and technical characteristics of medium - diameter spiral steel pipes (DN200 - DN1000) in various fields. Medium - diameter spiral steel pipes (DN200 - DN1000) are the most commonly used among spiral steel pipes of different diameters. They take into account both transportation efficiency and construction flexibility and are often seen in the energy and infrastructure fields. Petroleum and natural gas transportation: Spiral steel pipes with DN400 - DN800 are key materials for long - distance pipelines. For example, in the West - to - East Gas Transmission Project, a ...

Straight seam steel pipes , often regarded as a fundamental component in numerous infrastructures, play a vital role in various sectors across the globe. These pipes are characterized by their manufacturing process, which involves welding a flat sheet of steel into a cylindrical shape along a straight seam. The efficiency and robustness of straight seam steel pipes make them ideal for a multitude of applications, particularly in domestic projects.  Key Applications of Straight Seam Steel Pipes 1. Water Engineering Straight seam steel pipes are predominantly utilized in water supply projects. Their strength and durability make them suitable for both drinking water and wastewater systems. As cities expand and the demand for clean water increases, these pipes become essential in constructing and maintaining reliable water delivery and drainage systems. 2. Petrochemical Industry In the petrochemical sector, straight seam steel pipes are crucial for transporting various fluids. Their co...