Galvanic Series in Sea Water

ANODIC OR LEAST NOBLE - ACTIVE
Magnesium and magnesium alloys
CB75 aluminium anode alloy
Zinc
B605 Aluminium anode alloy
Galvanised steel or galvanised wrought iron
Aluminium 7072 (cladding alloy)
Aluminium 5456
Aluminium 5086
Aluminium 5052
Aluminium 3003, 1100, 6061, 356
Cadmium
Aluminium 2117 (rivet alloy)
Mild steel
Wrought Iron
Cast iron
Ni-Resist
13% chromium stainless steel, type 410 (active)
50-50 lead tin solder
18-8 stainless steel, type 304 (active)
18-8 3% Mo stainless steel, type 316 (active)
Lead
Tin
Muntz metal
Manganese bronze
Naval Brass (60% copper-39% zinc)
Nickel (active)
78% Ni-13,5% Cr-6% Fe (Inconel) (active)
Yellow brass (65% copper-35% zinc)
Admiralty brass
Aluminium bronze
Red brass (85% copper-15% zinc)
Copper
Silicon bronze
5% Zn-20% Ni-75% Cu
90% Cu-10% Ni
70% Cu-30% Ni
88% Cu-2% Zn-10% Sn (Composition G-bronze)
88% Cu-3% Zn-6,5% Sn-1,5% Pb (Composition M-bronze)
Nickel (passive)
78% Ni-13,5% Cr-6% Fe (Inconel) (Passive)
70% Ni-30% Cu
18-8 stainless steel, type 304 (passive)
18-8 3% Mo stainless steel, type 316 (passive)
Hastelloy C
Titanium
Gold
Platinum
Graphite
CATHODIC OR MOST NOBLE - PASSIVE