Tube 57: classification and scope

17-01-2018

Pipes

In the modern market of building materials there is simply a huge selection of various products for the creation of plumbing and other systems based on pipes. They differ in the material of their manufacture, diameter, field of application, etc. However, one of the most popular of these materials is the steel pipe with an outer diameter of 57.

Amateur photo of finished products of this type in stock

Manufacturing and use

First of all, it must be said that this type of product can be considered unique, since a 57x4 pipe and other structures with a given diameter usually correspond to only one type of production. All other parameters can be achieved in various ways, ranging from broaching and ending with casting.

Manufacturing

A typical 57x5 pipe is made by the longitudinal welding method using electric welding.. At the same time, it is worth noting that modern equipment allows you to get quite a strong and reliable connection, which in its performance is inferior to the rest of the design by only 10-15%.

The manufacture of products with twisted seam is also quite popular, but recently they have been abandoning this technology due to unprofitable production.

To do this, first two sheets of metal are rolled out on a cold one, which form a semicircle. After that, they are fitted in size with an accuracy of 1-2 mm.
In the next step, two parts are welded, followed by stripping the pipe seams.. Some manufacturers at the final stage of manufacturing produce additional heat treatment to remove the load from the metal.

To create thick-walled products of this diameter, the method of hot-rolled metal is used, which means that finished products will have no seams at all.

There is also a technology that is used to roll a single segment.. It is considered to be more advanced, since it can significantly reduce the cost of manufacture and increase the strength of the finished product. Therefore, it is used at most enterprises.
It should be noted that in modern factories no one does such operations with their own hands.. For this there is a special equipment that is configured for a specific technological process.

Sometimes you can find products with a diameter that was created by drilling a hole in a solid round timber, but this method is used only for thick-walled pipes

Special attention should be paid to the fact that lately, seamless pipe products with such a diameter have begun to appear. However, their wall thickness is never less than 3.5 millimeters.

Tip! All finished products are tested for strength and pressure, which is issued by the relevant certificate for the party. Therefore, acquiring this material is worth asking about its availability.

The wall thickness is a very important parameter, since not only the strength of the product, but also its weight depends on it.

Varieties and weight

First of all, I must say that such products differ only in wall thickness. The weight of the pipe 57 depends on this.

It must be remembered that when there comes a conversation about the diameter of the pipe, they mean the distance between the outer walls, which means that the capacity of similar at first glance products will be different

However, it is worth mentioning at once that with a similar method of manufacturing it is practically impossible to obtain the same parameters for this indicator. That is why the weight of 1 meter pipe 57x4 and other materials of this type is approximate. In production, it is called theoretical weight.

It is important to remember that these types of pipes are not used in construction as supporting structures. For these purposes, there are profiled products. Therefore, the installation manual usually does not pay attention to weight, since this is done only in the selection of fasteners.

Tip! Usually, such pipes, at the end of their service life, are used as racks for fences or as an auxiliary material, but you should not specifically purchase them for these purposes, since this will lead to overspending.

Such materials are well suited for the manufacture of drill strings when creating wells

Application area

The most running is considered to be a construction with a wall thickness of two millimeters. The weight of 1 meter pipe 57 with these configurations is 2.71 kg.

Such structures are used to create water supply and heating systems, both at home and at work.

Some varieties of similar products made of stainless steel are perfect for creating interior items or as decorative items.

Also particularly popular are materials with a wall thickness of 3 or 3.5 millimeters. They can even be used for high pressure systems and for gas communications. The weight of the 57x3 5 pipe is 4.62 kg.
It should be noted that most manufacturers create this diameter of structures with a maximum wall thickness of 3.5 millimeters. If it is necessary to purchase a product with quantities exceeding this indicator, then you should pay attention to seamless materials. However, their price will be approximately the same.

Material with thick walls and made of brass is just perfect for gas lines, as it doesn’t spark during installation and repair work

Constructions with a wall thickness of more than 3.5 millimeters are used in systems of increased reliability or in places where, in addition to high pressure, there is an external factor inside.
It is worth noting that the weight of the 57x4 pipe is 5.23 kg. This can create additional loads on the fixing points, and requires special fasteners.

Tip! It must be borne in mind that not only the weight, but also the method of manufacturing the product may depend on the wall thickness of the pipes. This in turn will affect the quality of the structure and its final cost.

Recently, in the manufacture of plumbing this material began to be replaced with plastic products, but its use is relevant to this day.

Conclusion

After reviewing the video in this article, you can get acquainted in more detail with products of a given diameter and learn about their field of application. Also, taking into account the article presented above, it is necessary to conclude that it is not enough to know only the diameter of the material used, since there are other very important parameters.