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Preparation method of carbon steel pipe
The raw material of carbon steel pipe is round tube blank, which needs to be cut and processed by a cutting machine to form a billet with a length of about 1 meter, and then sent to the furnace for heating through a conveyor belt. The billet is fed into the furnace for heating, with a temperature of approximately 1200 degrees Celsius.
The raw material of carbon steel pipe is round tube blank, which needs to be cut and processed by a cutting machine to form a billet with a length of about 1 meter, and then sent to the furnace for heating through a conveyor belt. The billet is fed into the furnace for heating, with a temperature of approximately 1200 degrees Celsius. The fuel is hydrogen or acetylene. Temperature control in the furnace is a crucial issue. After the round tube billet is discharged from the furnace, it needs to be pierced through by a pressure piercing machine. The commonly used piercing machine is a conical roller piercing machine, which has high production efficiency, good product quality, large perforation and expansion capacity, and can pierce various steel grades. After perforation, the round tube blank is sequentially rolled, continuously rolled, or extruded by three rollers. After squeezing, the pipe needs to be detached and sized. The sizing machine uses a conical drill bit to rotate at high speed into the steel billet for drilling, forming a steel pipe. The inner diameter of the steel pipe is determined by the outer diameter length of the sizing machine drill bit. After the steel pipe is sized, it enters the cooling tower and is cooled by water spray. After cooling, the steel pipe needs to be straightened. After straightening, the steel pipe is transported by a conveyor belt to a metal inspection machine (or hydraulic test) for internal inspection. If there are cracks, bubbles, and other issues inside the steel pipe, they will be detected. After the quality inspection of steel pipes, strict manual selection is also required. After the quality inspection of the steel pipe, the number, specification, production batch number, etc. are sprayed with paint. And lifted into the warehouse by a crane.
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Selection of coating materials for color steel coils
Currently, the types of coatings used for color-coated steel plates include polyester coatings/fluorocarbon coatings/silicon modified coatings/high weather-resistant coatings/acrylic coatings/polyurethane coatings/plastisol coatings, etc.
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Types and definitions of stainless steel corrosion
303 and 303Se are free-cut stainless steels containing sulfur and selenium respectively. They are used in situations where easy cutting and high surface brightness are mainly required. 303Se stainless steel is also used to make parts that require hot heading, because under such conditions, this stainless steel has good hot workability.
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304 steel pipe is a versatile stainless steel pipe that is widely used in the production of equipment and parts that require good overall performance (corrosion resistance and formability).
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Key points of welding customized stainless steel decorative pipes
In addition to conventional stainless steel decorative pipes, some customers generally choose stainless steel pipes to be customized and processed to meet their own use requirements. However, customized stainless steel decorative pipes are different from ordinary purchased stainless steel pipes, and special attention needs to be paid to some issues.
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What are the categories of carbon steel?
According to the quality of the steel, carbon steel can be divided into ordinary carbon steel (higher phosphorus and sulfur content), high-quality carbon steel (lower phosphorus and sulfur content) and high-grade high-quality steel (lower phosphorus and sulfur content). ) and special grade high quality steel.
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E-mail: bangyan@silverseagroup.cn
E-mail: jingwen@silverseagroup.cn
Tel：+86-15206858999 (Mr. Hou)
Address：Dianzi Industrial Park, Boxing County, Binzhou City, Shandong Province, China
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