Our customers manufacture a wide range of different products – such as pressure vessels, heat exchangers, transport containers and floors – for industrial and plant construction.

Depending on the function, pressure vessels can be subdivided into

  • gas vessels
  • capacitors
  • condensers
  • agitator vessels
  • columns
  • reactor pressure vessels for nuclear power plants
  • heated or cooled pressure vessels as part of a system
  • heaters in thermal oil plants
  • accumulator tanks.

The manufactured vessels and equipment are used in the petrochemical, chemical and pharmaceutical industry, food industry, waste management, power plant technology and in the field of energy and environment.

This industry has high quality requirements and safety standards for the products used, depending on the respective location and purpose.

With a well-stocked inventory, UnionStahl is able to meet the requirements and specifications of our customers. We stock steels that comply with

We are able to support you with our many years of experience in

  • the realisation of your project
  • processing your specifications.


Our services include additional testing, such as PWHT, hardness tests, tensile tests and impact tests.


In order to meet the increasing demand for sour gas-resistant steels, we stock plates that comply with

  • NACE MR 0175
  • NACE MR 0103
  • NACE TM 0284.