Galvanic or currentless metal deposition

Char-
act.
Coat-
ing
Degree of brightness / differentiation Barrel
Rack
Corrision resistance
Resistance to wear
and tear
Tarnish proof
Solderability Decorative appearance
Notes
Electroless
Nickel (9 -
12 % P)
semi-matt ST G1 B, S B, S B B, E, S   highly accurate
precipitation
Chromium bright   G1 on Ni   on Cu, Ni   B, E, S, Z used as top coat
Gold hard ST G1 on Ni   on Cu, Ni on Cu, Ni B, E, S, Z generally used as top coat
Copper bright T, ST G1 S, Z     B, E, S, Z E, S
generally used as top coat
Brass bright T, ST   S, Z       E, S, Z,
on Ni
will often be varnished with clear paint
Nickel
  • bright
  • matt
T, ST G1 B, S, on  Cu   B B, E, S B, E, S, Z as end- or
undercoating
Silver bright ST G1 B, S, on Ni     B, E, S, Z,
on Ni
B, E, S, Z very good
conductibility
Zinc (bright)
+ Passivation / Chro-
mating
  • blue (Cr-VI-free)
  • yellow
  • yellow (Cr-VI-free)
  • black
T, ST G2 B, S, Z   B   B, E, S, Z  
Tin bright T, ST G1 B, S     B, E, S, Z,
on Ni
B, S, on Ni food safe

 

Legend:

  • Green font: good suitability, blaue Schrift: suitable, empty space: not suitable or not relevant
  • T = volume 85 * diameter 35 cm, ST = small barrel (smaller volume; max. 7 kg)
  • G1 = maximum workpiece size 120 * 65 * 25 cm, G2 = maximum workpiece size 120 * 65 * 40 cm
  • Materials: B = non-ferrous metal, E = stainless steel, S = steel, Z = zinc diecasting
  • Elements: Cr = chromium, Cu = copper, Ni = nickel, P = phosphor, Sn = tin