Precise cutting with minimal hardening without releasing chromium 6

Unisteel A/S is one of Denmark’s only supplier of plasma cutting for metals underwater. No-one has more experience in this area than our team.



Professional solutions in underwater plasma cutting

Underwater plasma cutting is an efficient cutting method that ensures millimetre accuracy. Cutting underwater makes it possible to cut acid-resistant and stainless-resistant materials without releasing chromium 6 in the air.

Minimal hardening

Because we cut at lower temperatures

Maximum sheet thickness

Op til 45 mm

Length-width dimensions

12.500 x 3.300 mm


Plasma cutting underwater is good for both the working environment and your product

As a workplace, it is important to us that we take good care of our employees. e therefore cut acid-proof and stainless-resistant materials underwater. This way, we ensure that no carcinogenic chromium 6 is released into the air.

Unisteel A/S is one of the only suppliers in Denmark to offer underwater plasma cutting.

Arbejdstilsynet (Work Environment in Denmark) has written an article that highlights the dangers of chromium 6 while at the same time outlining the many problems that chromium 6 causes in the workplace.

We produce for industries such as:

  • Green energy
  • Marine
  • Offshore
  • Manufacturing
  • Machine factories
  • Forging and assembly
  • We do our own production


Why should you choose us for plasma cutting underwater

In addition to the fact that we are among the only providers of this service, our customers can always expect a high level of quality, a high level of service and high level of delivery reliability.

  • We have the biggest wealth of experience in the Nordic region
  • High and consistent quality on all steel blanks
  • Competitive and transparent prices
  • Nationwide day-to-day delivery


Underwater plasma is used for stainless and acid-resistant steels

We cut in sheet thicknesses from 1 mm all the way up to 45 mm. Should you require a special sheet thickness or steel quality that we do not have in stock, we can procure these quickly via our excellent partners.

  • We cut all types of stainless and acid-resistant steel


Different sheet thicknesses

The plasma cutter cuts sheets of different thickness, depending on the material. See the overview below.

Material Maximum sheet thickness
Acid-resistant steel 45 mm
Martensitic stainless steel 45 mm
Austenitic stainless steel 45 mm
Duplex 45 mm

Contact us

Looking for a great offer?

We have the best know-how in Denmark when it comes to plasma cutting under water, which ensures a very high level of precision and uniform quality We build on our years of experience and our a tradition of close customer relationships. We have customers from all over Denmark, so it really doesn’t matter where you’re based.

So if you have an underwater plasma cutting job that needs doing, please don’t hesitate to contact us. We take great pride in prompt responses and fast delivery times.