Table 2-1. The Galvanic Corrosion Potentiai of Different Metals.

TB 43-0213

Table 2-1. The Galvanic Corrosion Potentiai of Different Metais.

Magnesium Alloys

Beryllium

Zinc

Galvanized Steel

Aluminum Alloys

Chromium

Gallium

Cadmium

Mild Steel

Wrought Iron

Iridium

High Potential

Low-Alloy Steels

End

Cast Iron

Low-Alloy Cast Iron

4-6% Cr Steel

Ni Cast Iron

12-14% Chromium Steel and 25-30%

Lead-Tin Solders

16-18% Chromium Steel

Austenitic Cr-Ni Stainless Steel

Austenitic Cr-Ni-Mo Stainless

Lead

Tin

Manganese Bronze

Naval Brass

Cobalt

Nickel

inconel (13% Cr 6.5% Fe, Bal. Ni)

Yellow Brass

Admiralty Brass

Aluminum Bronze

Red Brass

Ant imony

Copper

Silicon Bronze

Nickel Silver

70-30 Copper Nickel

Titanium

Monel

Low Potential

Composition G Bronze (88% Cu, 2% Zn, 10% Sn)

End

Composition M Bronze (88% Cu, 3% Zn, 6.5% Sn, 1.5% Pb)

Silver Solder

Nickel (Passive)

70-30 Nickel Copper

Stainless Steels (Passive)

Silver

Palladium

Gold

Rhodium

Platinum

Carbon

CATHODIC

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