Pickling and coating


At the Wengern plant:


  • HCL bath (hydrochloric acid 20-30%)
  •  KMnO4 tanks


and for coating:

phosphate/lime/oxalate/perbonder/soap/coating (salt-coating)



At the Werdohl plant:


  • Salt bath 490°C
  • Sulphuric acid bath, H2SO4, 5-20% and (70°C-75°C)
  • Nitric hydrofluoric acid HNO3/HF 25%/3% at RT
  • Nitric hydrofluoric acid HNO3/HF (30°C bis 60°C)
  • Rinse tank RT
  • Rinse tank 80°C
  • Splash rinse with high pressure
  •  Hydrochloric acid tank 10%
  •  Alkaline degreasing
  •  Coating tank (coating upon need, lime/CV etc.)


Dimensions of the tank ca. L 150 x W 150 x D 180 cm

C-hook length 110 cm/crane load max. 1.6 t

Drying chamber ca. W 280 x L 300 x H 400 cm


to the overview

We use cookies on this website to ensure that the site will work properly. If you click ‘OK’ or continue to use this website by navigating to another page you are agreeing to our use of cookies.

More information