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Fire-fighting steel pipes refer to fire-resistant pipes used in fire-fighting systems, which have the following characteristics and attributes: 1. High-strength: Fire-fighting steel pipes are made of high-strength steel, which can withstand greater pressure and heavy loads. 2. Corrosion resistance: The surface coating or internal coating of the fire-fighting steel pipe has good corrosion resistance, which can maintain the service life of the pipeline for a long time. 3. Flame retardancy: The fire-fighting steel pipe material itself has high flame retardancy, which can effectively prevent the fire from spreading in a fire. 4. Ductility: Fire-fighting steel pipes have certain ductility, which can alleviate the impact of water pressure inside the pipeline to a certain extent. 5. High precision: The production process of fire-fighting steel pipes is high-precision, and the internal smoothness of the pipes is good, which can ensure the smooth flow of water inside the pipes. 6. Easy installation: The fire-fighting steel pipe adopts threaded connection method, which is convenient and quick to install and reduces the difficulty of construction. 7. High reliability: The fire-fighting steel pipe material is reliable in quality, which can ensure the normal operation of the fire-fighting system in emergency situations.

CNC forgings

pipe forgings

tube sheet，any material all can do

forged shaft

Forged flanges

Galvanized steel pipe refers to the coating of a layer of zinc on the surface of ordinary steel pipes to prevent the steel pipes from being corroded and oxidized. Has the following characteristics and properties: 1. Strong corrosion resistance: The zinc layer on the surface of the galvanized steel pipe can prevent the steel pipe from being corroded and oxidized, thereby prolonging the service life. 2. Good high temperature resistance: the melting point of the zinc layer itself is as high as 419°C, which can withstand high temperature. 3. Good quality: It has a uniform zinc layer and can meet international standards. 4. Good aesthetics: the surface of galvanized steel pipe is smooth, durable and beautiful in appearance. 5. Wide range of applications: suitable for construction, petrochemical, electric power, mining, water conservancy and other fields. 6. Easy to process: Galvanized steel pipe is easy to process, such as cutting, welding, bending, etc. 7. Environmental protection: Compared with other corrosion protection methods, galvanized steel pipe will not produce environmental pollution.

Longitudinal welded pipe is a pipe material used to convey fluids and gases, consisting of multiple steel plates that are welded longitudinally. Following are the characteristics and properties of Longitudinal Welded Pipes: 1. High strength: Longitudinal welded pipe has high strength and can withstand high pressure and large physical load. 2. Corrosion resistance: The inner and outer surfaces of the longitudinal seam welded pipe are treated with anti-corrosion treatment, which has good corrosion resistance and can withstand corrosive substances such as acid, alkali and sea water. 3. Good plasticity and toughness: Longitudinal welded pipe has a smooth surface, good plasticity and toughness, and can be used for various complex shapes of pipes. 4. Beautiful: Longitudinal welded pipe has a beautiful appearance and is easy to install and maintain. 5. Wide application: Longitudinal welded pipes are widely used in industry, construction, shipbuilding, chemical industry and other fields. In short, longitudinal welded pipe has the characteristics of high strength, corrosion resistance, good plasticity and toughness, and beautiful appearance, and is an ideal pipe material.