Stainless steel
excellence

Since 1949

 
Stainless steel
excellence

Since 1949

 
Stainless steel
excellence

Since 1949

 
Stainless steel
excellence

Since 1949

 
Plants
Design and construction of pickling, passivation, and electropolishing plants, both automatic and manual, equipped with the advanced IES management system.
Chemicals
Specialized formulations for pickling, passivation, electropolishing, and derouging.
Stainless steel treatments
Subcontract pickling, passivation, and electropolishing services carried out at our facilities and/or at the customer’s site.
Electrochemical machines
Portable and wheeled systems for anodic electropolishing and localized electropolishing.

Pickling, passivation, electropolishing and derouging

for the surface treatment of stainless steel

Pickling

The most effective method to achieve a decontaminated and uniform stainless steel surface.

Learn more

Passivation

A process induced by chemical products that create a protective film on surfaces of stainless steel treated with pickling.

Learn more

Electropolishing

Electrolytic process for removing surface layers of steel, allowing the elimination of contaminants and impurities.

Learn more

Derouging

Effective solution to combat steel rouging without limitations on the number of treatments.

Learn more

Stainless steel electrochemical machines

Electrochemical Pickling & Electropolishing

DLT & CGT machines perform electropolishing, passivation, and pickling of welds on stainless steel, duplex, and superduplex components, delivering immediate and long-lasting results.

Electrolytic deoxidation of metals

Unlimited solutions for the surface treatment of stainless steel

SOLUTIONS

We have been taking care of your stainless steel products and semi-finished goods since 1949.

Our solutions include third-party processing for all major steel treatments, the design and development of customized systems—including portable versions—and the supply of a wide range of chemical products for every need.

Unlimited solutions

Pickling, passivation, electropolishing, and derouging: four divisions providing a complete response. From processing to equipment, from the right chemical product to the most suitable tools. We have an in-depth understanding of the materials we work with, allowing us to deliver tailored solutions quickly and with maximum flexibility.

Extensive know-how

With over 70 years of experience and passion, we are always one step ahead, proactive and quick in providing solutions, focused on our customers’ needs. Innovation is in our DNA, and our continuous search for more effective and high-performance solutions enables us to anticipate market trends and deliver forward-thinking answers.

Delmet Srl

Since 1949, we have been one of the most renowned Italian companies
specializing in stainless steel electropolishing and pickling.

Clients

We collaborate directly or indirectly with leading brands and companies of excellence.

The requested processes require the utmost confidentiality, both in terms of expertise and the equipment used.

Sectors

  • Food industry
  • Pharmaceutical and cosmetic industry
  • Marine and automotive
  • Oil and gas
  • Pools and spas
  • Industrial and construction sectors
  • Urban furniture
  • Nuclear industry

Applications

There are numerous fields of application for stainless steel care, ranging from the need to increase corrosion resistance, to removing surface contaminants and making surfaces suitable for food contact, reducing roughness, or simply achieving a polished finish, even in hard-to-reach areas.

News

We put our expertise at the disposal of our clients through efficient and cutting-edge installations and processes, but we also enjoy sharing part of our work with anyone curious to learn more about the world of stainless steel.

Follow our blog to stay constantly updated.

Sgrassaggio acciaio inoxNewsStainless steel degreasing: when to do it and why it is essential
9 October 2026

Stainless steel degreasing: when to do it and why it is essential

Among all stainless steel surface treatments, degreasing is often one of the most overlooked. In reality, however, it provides the foundation for ensuring the quality of all subsequent processing operations.…
acciaio inox nell'industria farmaceuticaNewsStainless steel in the pharmaceutical industry: why surface quality is so important
21 September 2026

Stainless steel in the pharmaceutical industry: why surface quality is so important

In the pharmaceutical industry, stainless steel is not chosen solely for its mechanical and corrosion resistance. Surfaces in contact with products, active pharmaceutical ingredients and process fluids must ensure high…

Are you interested in our services?