UFC 3-240-13FN
25 May 2005
Figure 4-18. Galvanic Series of Common Metals and Alloys
Found in Cooling Water Systems
Active End
Magnesium
Magnesium alloys
Zinc
Galvanized steel
Aluminum 1100
Aluminum 6053
Alclad
Cadmium
Aluminum 2024 (4,5 Cu 1.5 Mg, 0.6 Mn)
Mild steel
Wrought iron
Cast iron
13% Chromium stainless steel Type 410 (active)
18-8 Stainless steel Type 304 (active)
18-12-3 Stainless steel Type 316 (active)
Lead-tin solders
Lead
Tin
Muntz metal
Manganese bronze
Naval brass
Nickel (active)
76 Ni 16 Cr 7 Fe alloy (active)
60 Ni 30 Mo 6 Fe 1 Mn
Yellow brass
Admiralty brass
Aluminum brass
Red brass
Copper
Silicon brass
70-30 Cupro nickel
G-Bronze
M-Bronze
Silver solder
Nickel (passive)
76 Ni-15 Cr 7 Fe alloy (passive)
67-Ni-33 Cu alloy (Monel)
13% Chromium stainless steel Type 410 (passive)
Titanium
18-8 Stainless steel Type 304 (passive)
18-12-3 Stainless steel Type 316 (passive)
Silver
Graphite
Gold
Platinum
Noble or Passive End
126
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