We make stainless steel special. KSO

KSO Edelstahlbeizerei GmbH based in Wilnsdorf – in the border region of North Rhine-Westphalia, Hesse and Rhineland-Palatinate – has some of the most modern and state-of-the-art designed stainless steel pickling plants. KSO’s capacity enables components to be machined up to a length of 60 metres and a weight of up to 50 tonnes.


Immersion pickling up to 13.5 metres

KSO offers immersion-pickling fluids, which can be adapted to any application and material.

Spray pickling up to 60 metres

Spray pickling processes for components up to 60 metres in length and a weight of up to 50 tonnes.


Preparation of steel and stainless steel parts prior to further treatment.


After the actual pickling process the stainless steel parts are coated with a passivation layer.

Quality and environment

KSO is certified in accordance with DIN EN ISO 9001, DIN EN ISO 14001 and OHSAS 18001.

Other issues:

Pickling installation, planning and construction of pickling and electroplating plants, floor and wall coatings in accordance with WHG (Water Resources Act)

Logistic & packaging

KSO offers a comprehensive pickup, packaging and delivery service with its own fleet and industrial packaging department. Special transportation included.