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Johann Maffei GmbH & Co. KG

Johann Maffei GmbH & Co. KG

  • DIN EN ISO 9001:2015
  • DIN EN ISO14001:2015

Johann Maffei GmbH & Co. KG

  • DIN EN ISO 9001:2015
  • DIN EN ISO14001:2015

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Hard chrome plating on commission by Johann Maffei GmbH & Co. KG

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Info about hard chrome

Quality features of hard chrome coatings

  • Protection against wear and corrosion
  • High hardness without distortion of the base material
  • Resistance to a wide range of chemical stresses
  • Low adhesion to plastics and moulding compounds
  • low coefficient of friction
  • Perfect anchorage with the base material
  • High temperature and tarnish resistance
  • Surface quality up to mirror finish

Applicable base materials

In principle, all steels, non-ferrous metals and their alloys can be hard chromium plated with a few exceptions.

Thickness of hard chrome layers
Depending on the intended use, layers up to 1-2 mm thick are possible.

The most common layers are 0.005-0.6 mm.

Thicker layers must be reground or re-eroded in most cases. Hard chrome layers are not levelling.

Therefore, it is not possible to "level" cracks or pores.

Hard chrome plating designs save you money.

You can make the hard chrome plating process much easier if you take care when shaping your workpieces to avoid sharp edges and create good current feeds.

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