A312 Stainless Steel Conduction Tube

The stainless steels were discovered less than a century. Its main feature is the so-called passive film. In the presence of oxygen, these steels naturally form a chromium oxide (CrxOy) film on their surface that resists corrosive attacks by external agents.

Stainless steels can be classified into four most important families, according to their metallographic structure: austenitic, ferritic, martensitic and austeno - ferritic - duplex.

There are some types of stainless steel tubes that are manufactured according to the A312 standard, they are: 304L, 304, 304H, 310S, 316L, 316, 316H, 317L, 317, 321, 321H, 347 and 347H.

All of them are considered austenitic stainless steel tubes, that is, they are manufactured with easy-to-machine material, applied in the production of parts on automatic lathes.

A312 Stainless Steel Conduction Pipe Applications

The stainless steel tube manufactured in accordance with ASTM A312 are used in conducting liquids in paper industries, chemical and petrochemical and general use.

They can be used in high and low temperature work, in conduction of corrosive fluids.

They have alloys with greater application within stainless steels, also present in various equipment and industries, such as:

  • Alcohol Industry;
  • Food industry;;
  • Cryogenic Industry;;
  • Boilermaking Industry;
  • Pulp and Paper Industry;
  • Structural Industry;
  • Pharmaceutical industry;
  • Furniture industry;
  • Petrochemical industry;
  • Chemical industry;
  • Textile industry.

They have several benefits, including their high resistance to corrosion, safety and durability. They can be found in the most varied specifications, dimensions and diameters.

A312 Stainless Steel Conduction Pipe Manufacturing Process

A312 Stainless Steel Conduction Pipes can be manufactured with and without seamless, in various formats such as round, square and rectangular.

The seamed steel tube is made by a tool that bends the steel sheet around itself. This tool is called a calender.

After this step, mentioned above, the formed tube will go through a welding process, to join its two ends. The manufacture of steel tubes of this type are used as transmission components, ideal for drilling tools.

The seamless tube, on the other hand, consists of a process in which the billet, a highly massive piece of cylinder undergoes heating. After this stage, the core of the material undergoes a cooling and then is detached, creating a shell.

The seamless steel tube is non-welded, making it ideal for channeling materials that cause pressure. It is widely used in projects and parts that require maximum reliability when it comes to applying pressure from oils and vapors, as in hydraulic pistons and also boilers.

The difference between these two types of steel is due to the ease of cleaning. While the seamed tube is easier to clean and cost effective, the seamless tube has more resistance under steam and oil pressure.

Welding process of the A312 Stainless Steel Conduction Tube is automatic by melting without the addition of metal, with a pickled finish, that is, free of burrs and a smooth surface.

Buy A312 Stainless Steel Conduction Pipes with CRC Petrobras

As you have seen, A312 Stainless Steel Conduction Tubes are used in several applications and can be used in low and high temperature services.

When manufactured according to the specified standards, they perform their role efficiently and fulfill their main characteristics and benefits.

The tubes ABC can ensure that your purchase is more reliable. We have the Petrobras Registration Registration Certificate (CRC), which gives authorization to sell tubes to Petrobras and its partners.

With this certificate, Tubos ABC proves its confidence, gains visibility, credibility, excellence and quality in products and services.

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