Technology for the production of seamless pipes by hot rolling
Seamless pipes are a type of rolled metal, the production technology of which provides for the absence of any seams along the entire length of the products. Such parts do not contain other connections. Such solid blanks are made on special rolling machines. Therefore, the production process was called "rolling".
Technology for the production of seamless pipes by hot rolling
Seamless pipes are a type of rolled metal, the production technology of which provides for the absence of any seams along the entire length of the products. Such parts do not contain other connections. Such solid blanks are made on special rolling machines. Therefore, the production process was called "rolling".
Technology for the production of seamless pipes by hot rolling
Seamless pipes are produced by cold and hot rolling on special machines.
Features of seamless products
Seamless pipes are one-piece products and do not contain seams or other joints. First of all, depending on the production technology, seamless pipes are divided into two types:
hot-rolled;
cold rolled.
There are also seamless parts that belong to a special group of seamless rolled metal products. Such products are distinguished by the fact that they have thick walls.
Products that have a seam, in turn, are made using two main methods:
welding (the workpiece is welded in a spiral);
folding (the folded sheet is fixed longitudinally with a special fold).
Helpful information! Seamless pipes are distinguished by high strength characteristics, therefore they are usually used in communications with high pressure indicators.
The material for such parts in most cases is steel. This is due to the fact that this material has high strength. Consider other advantages of these products:
Technology for the production of seamless pipes by hot rolling
Seamless pipes are a type of rolled metal, the production technology of which provides for the absence of any seams along the entire length of the products. Such parts do not contain other connections. Such solid blanks are made on special rolling machines. Therefore, the production process was called "rolling".
Technology for the production of seamless pipes by hot rolling
Seamless pipes are produced by cold and hot rolling on special machines.
Features of seamless products
Seamless pipes are one-piece products and do not contain seams or other joints. First of all, depending on the production technology, seamless pipes are divided into two types:
hot-rolled;
cold rolled.
There are also seamless parts that belong to a special group of seamless rolled metal products. Such products are distinguished by the fact that they have thick walls.
Products that have a seam, in turn, are made using two main methods:
welding (the workpiece is welded in a spiral);
folding (the folded sheet is fixed longitudinally with a special fold).
Helpful information! Seamless pipes are distinguished by high strength characteristics, therefore they are usually used in communications with high pressure indicators.
The material for such parts in most cases is steel. This is due to the fact that this material has high strength. Consider other advantages of these products:
high coefficient of thermal conductivity;
low rate of linear expansion;
corrosion resistance of thick-walled products.
Technology for the production of seamless pipes by hot rolling
Seamless pipes are more expensive than welded pipes.
The main disadvantages of such products include:
high price;
complex installation.
In order to lay communication from such pipes, the correct calculation of the main parameters is important. These include indicators of the cross section of pipes and the thickness of their walls.
Operational area
Seamless pipes are used in critical structures that operate under high pressure. For the transportation of toxic substances, hot-rolled seamless products are mainly used.
In addition, hot rolled products are widely used in the automotive industry, aviation, etc. They are also used to transport aggressive chemicals and oil (chemical and oil industries).
The use of such parts is also in demand in the municipal sector. Of these, various utility communications are mounted, which carry out the transportation of hot water, cold water, gas, as well as the removal of wastewater (sewer system).
In the coal mining industry, such products are used to remove steam and other products from equipment. In addition, solid pipes are used in the defense industry, shipbuilding, and metallurgy.
The extensive use of seamless products is due to their high reliability.
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