Galvanic Corrosion Chart (Page 3 of 3) in pdf

Galvanic Corrosion Chart Page 3

Anodic Index

Index (Volts)

Silver, solid or plated; monel metal. High nickel-copper alloys

0.15

Nickel, solid or plated, titanium an s alloys, Monel

0.30

Copper, solid or plated; low brasses or bronzes; silver solder; German silvery high

0.35

copper-nickel alloys; nickel-chromium alloys

Brass and bronzes

0.40

High brasses and bronzes

0.45

18% chromium type corrosion-resistant steels

0.50

Chromium plated; tin plated; 12% chromium type corrosion-resistant steels

0.60

Tin-plate; tin-lead solder

0.65

Lead, solid or plated; high lead alloys

0.70

Aluminum, wrought alloys of the 2000 Series

0.75

Iron, wrought, gray or malleable, plain carbon and low alloy steels

0.85

Aluminum, wrought alloys other than 2000 Series aluminum, cast alloys of the

0.90

silicon type

Aluminum, cast alloys other than silicon type, cadmium, plated and chromate

0.95

Hot-dip-zinc plate; galvanized steel

1.20

Zinc, wrought; zinc-base die-casting alloys; zinc plated

1.25

Magnesium & magnesium-base alloys, cast or wrought

1.75

Please Note: Galvanic corrosion is a complex problem with many variables which are difficult to predict. The information above is provided for guidance only - and is

only a short summary of the issues involved. Zygology Ltd can take no responsibility for application failure resulting from errors or omissions in the data provided.

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