Production of seamless steel pipes
Seamless steel pipe is a long steel material with a hollow cross-section and no joints around it. Steel pipes have hollow cross-sections and are used as pipes for conveying fluids, such as pipes for conveying oil, natural gas, coal gas, water and certain solid materials.
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What is the purpose of colored scrolls
Color coating is a product made of hot-dip galvanized sheets, hot-dip galvanized sheets, electro-plated galvanized sheets, etc., after surface pretreatment (chemical degreasing and chemical conversion treatment), one or several layers of organic coatings are applied to the surface, and then baked and cured. It is also named because of the organic paint colored steel coils of various colors, and is abbreviated as colored coils. In addition to the zinc layer protection, the organic coating on the zinc layer plays a role in covering and protecting the steel belt from rusting, and the service life is about 1.5 times longer than the galvanized belt.
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What are the advantages of galvanized coils
Galvanized coil is a metal coil processed by special processes and is widely used in many fields such as construction, automobiles, and home appliances. It mainly has the following advantages: 1. Strong corrosion resistance: The surface layer of the galvanized coil is covered with a dense zinc layer,
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What are the advantages of hot-rolled H-shaped steel?
Hot-rolled H-shaped steel is lightweight, and the weight of the concrete structure is lighter than that of the concrete structure. The reduction in structural weight reduces the internal force of the structural design, which can make the foundation of the building structure lower, lighter construction, and reduce cost. Compared with concrete structures, the cross-sectional area of steel structure columns is smaller, which can supplement the building's useful area. Depending on different construction methods, the usable area can be increased by 4-6%. Steel structures with high structural stability are mainly hot-rolled H-shaped steels, with appropriate structural principles, good plasticity and flexibility, and high structural stability. It is suitable for building structures with large vibration and attack loads, and has strong resistance to natural disasters, especially for building structures with multiple earthquakes. According to statistics, in destructive earthquakes above magnitude 7, steel structure buildings dominated by H-shaped steel have low disaster rates.
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