Manufacturing of Seamless Pipes

According to the different production methods can be divided into hot-rolled seamless pipe, cold-rolled seamless pipe, cold-draw seamless pipe, extruded tubes.
1. Hot-rolled seamless pipe is generally automatic pipe mill production. Solid tube seamless-steel-pipeinspection and removal of surface defects, cut into desired length, and then sent to the furnace heating, punch a hole in the perforated tube end surface-centering. In the hole while constantly rotating and forward rolls and the role of the head tube gradually formed within the cavity, said capillary. And then sent to the automatic rolling machine to rolling. Finally, both the whole, the whole wall thickness, sizing the sizing mill , to achieve the required specifications. The use to continuous production of hot-rolled seamless steel pipe mill is a more advanced method.
2. For smaller and better-quality seamless cold-rolled, drawn or a combination of methods must be used. Cold rolled normally on a two-rolled normally on a two-roll mill, steel becomes the section round hole slot and does not move tapered head circular hole formed in the rolling. Drawing is usually 0.5 to 100Tsingle chain or double chain drawing machine.
Extrusion method is about 1.3-heating tube closed extrusion cylinder, perforated stick together with the extruded rod movement, extrusion from the small hole in the mold. This method can produce a smaller diameter steel pipe.

We are manufacturer of Carbon Steel Pipes and supply high quality Carbon Steel Pipes in both large and small quantities worldwide & offer you the best prices in the market.
We have a team of experienced professionals with years of experience in manufacturing.

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About Hunan Prime Steel Pipe Co., Ltd

HUNAN PRIME STEEL PIPE is the export gateway of SHINESTAR HOLDINGS GROUP. We are dedicated in providing and exporting high performance-price ratio welded & seamless steel pipes and fittings covering various steel grades. At Prime Steel Pipe, we believe that honest communication, expertise in our industry, and prompt execution lead to strong long-term relationships. Our professioanl team provides " one-stop procurement" servics to coordinate with your project regulation, site and terrain, and ensure the best quality of products by assigning skillful experts at every stage of production. Our principles is to keep the honesty in mind, to win reputation by trust. We strives to providing quality products, competitive price and value-added services to our clients throughout the world.

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