Profile pipes have become quite popular these days, not only among hobbyists but also professionals. They can be square, rectangular, oval, teardrop-shaped, octagonal, hexagonal, ribbed, and more. This is very convenient for those installing a variety of structures.
They are made from various types of metal. Stainless steel profile pipes occupy a special place in the classification.
They are characterized by corrosion resistance and high strength.
Stainless steel profile products and their applications
Technical characteristics allow the use of such stainless steel pipes in various fields of activity.
- When decorating the interior of premises.
- When creating the design of street buildings.
- Stainless steel is used in the food industry.
- In the field of furniture production
- Oil and chemical industry
- Mechanical engineering.
- Design of load-bearing structures.
Stainless steel products are constantly gaining popularity. This is far from a complete list of the industries where they can be used.
Compared to similar pipe products, stainless steel has a lot of advantages.
- Convenience and ease of performing welding work.
- Additional stiffening ribs provide strength.
- Small mass.
- Ability to resist corrosion.
In construction, profile products can serve as both load-bearing and supporting structures. They are used in both private residential buildings and public facilities.
Thanks to this material, contractors save both time and material costs.
Stainless steel products and their varieties
Stainless steel profile pipes with a rectangular cross-section can be classified into the following groups.
- Hot rolled.
- Cold rolled.
- Seamless.
Only high-quality machines and modern technologies are used in production. Any deviations in shape or wall thickness are minimal.
Round blanks are always used, and pressing is the primary method. High-precision laser welding allows for better results.
Some people use another method – electric welding of metal strips prepared in advance.
Stainless steel pipes are divided into the following varieties depending on the quality of the surface and the type of material.
- With mirror surface, inside and outside.
- Polished type.
- With matte finish.
AISI 304 – the grade of metal most often used for their production, regardless of shape. These products are lightweight, flexible, and durable, and can resist corrosion. Their installation and assembly are always quick and easy.
Stainless steel square profiles
They usually have a matte surface rather than a mirror finish.
There are no strict requirements for appearance, which explains the wide range of applications.
- Work sites, creation of equipment for them
- Construction industry, for the creation of load-bearing and supporting elements.
- Industrial shelving, similar devices for warehouses.
- Constructions related to the closed type.
Mirror-finish stainless steel tubular products
Mirrored products have found wide application both indoors and outdoors. These elements enhance the appearance of any building.
Stainless steel profile tubes with a mirror surface are often used in the automotive industry to provide additional rigidity to the body.
The mirror surface remains perfectly smooth, preventing bacteria and microbes from forming. These conditions are ideal for transporting substances used in the chemical and food industries.
Polished variety
In this case, a smooth surface is achieved by grinding. Surfaces with different properties and coatings can be easily created.
Pipes are used both to create individual elements and as a decorative addition.
Polished pipes have a higher quality finish than mirror-finished ones. Therefore, their application is much wider. Their appearance is also more attractive.
For the production of this variety, steel is often used, the grade of which is designated as AISI 304It is also used for products such as thin-walled stainless steel pipes.
About production methods
There are several production technologies that make it possible to obtain a pipe with these characteristics.
- Welding.
- Reduction.
- Hot deformation.
- Cold deformation.
Seamless products are produced using the last three methods. They are either general-purpose or specialized. High- and low-temperature deformation always requires specialized rolling equipment.
No production cycle can be completed without surface treatment. The reduction process involves drawing a stainless steel circle while simultaneously annealing the side portion. The blanks are used either hot or cold.
If a product is welded, it will inevitably have a seam. This industry uses its own technologies.
- Electrodes with tungsten, which are placed in an inert gas.
- Using plasma welding.
- Welded with laser.
- High-frequency electric welding. This will help produce high-quality products such as stainless steel profile tubing.
Video 1
A circular blank is rolled on a line equipped with welding equipment. Welding occurs simultaneously with the profiling of rectangular and square shapes.
Alternatively, stainless steel strips are welded together. But this only happens after they have been given the required shape.
The continuous seam welding method is used by those who have high demands on the quality of finished products.
This ensures reliable, high-quality seams that retain their appearance for as long as possible. This product is most often used in the construction of various structures.
In the final stages, the pipes undergo various types of processing:
- Mechanical. This is grinding.
- Chemical is represented by etching.
- Thermal is the process of firing.
About some advantages and characteristics
Profiled pipes are a cost-effective solution. Their cost remains affordable, yet their strength is comparable to comparable products made from other materials.
Due to their lighter weight, such products always win, even if their weight is the same as other varieties.
Video 2
Installation is also much easier than with other types. The operating loads are distributed along the edges of the product, making it more resilient to even severe impacts.
Torsion and flexibility properties remain quite high in this case. They also offer a long service life and high strength.
Finally, for many, an important advantage will be that the surface does not require additional treatment.
This opens up a wealth of design options for designers. Any stainless steel profile pipe offers this advantage.
