GALVANIC SERIES OF METALS AND ALLOYS IN SEAWATER

Potential in Volts (ref = Ag/AgCl)

Magnesium - 1,64 Mg-6Al-3Zn - 1,53 Aluminium Anode - 1,15 Al 527-H25 - 1,13 Zinc (Mil-A-18001J) - 1,03 Aluminium Alloys 5083-0; X7005-T63; 5456-H321 - 0,96 to - 0,98 Aluminium Anode (5Zn) - 0,95 Aluminium Alloys: 5086-H32; 5086-H34; 5052-H34; 7106-T63; Alc. 7178-T6; Alc. X7002-T6; 6061-T6;6061-T651; 5086-H112; 5052-H32; 5154-H38; 3003-H14; 5050-H34; 1100F; 1100-H14 - 0,85 to - 0,87 X7002-T6; 7075-T7351 - 0,76 to - 0,77 7178-T6; 2014-T6; 7079-T6 - 0,70 to - 0,74 2024-T4; 2219-T87 - 0,65 to - 0,68 2% Ni Cast Iron - 0,68 Cast Iron - 0,61 Carbon Steel, A1010 - 0,61 High Strenght Low Alloy Steel - 0,60 430 Stainless Steel (active) - 0,57 304 Stainless Steel (active) - 0,53 410 Stainless Steel (active) - 0,52 Ni Resist Type I - 0,47 Tobin Bronze - 0,40 Yellow Brass - 0,36 Copper - 0,36 Admiralty Brass - 0,36 (24,6°C) Red Brass - 0,33 G Bronze - 0,31 Admiralty Brass - 0,30 (11,9°C) Aluminium Brass - 0,29 90-10 Cupronickel (1,4 Fe) - 0,29 (17°C) 90-10 Cupronickel (0,82 Fe) - 0,28 90-10 Cupronickel (0,45 Fe) - 0,25 90-10 Cupronickel (0,51 Fe) - 0,24 (17°C) 90-10 Cupronickel (1,4 Fe) - 0,24 (6°C) 90-10 Cupronickel (1,5 Fe) - 0,22 (24°C) 90-10 Cupronickel (0,51 Fe) - 0,22 (6°C) 430 Stainless Steel (passive) - 0,22 70-30 Cupronickel (0,51 Fe) - 0,20 (26,7°C) Nickel 200 - 0,20 316 Stainless Steel (Active) - 0,18 Inconel 600 - 0,17 410 Stainless Steel (Passive) - 0,15 PDA Titanium - 0,15 Silver - 0,13 BI Titanium - 0,10 304 Stainless Steel (Passive) - 0,08 Hastelloy C - 0,08 316 Stainless Steel (Passive) - 0,06 Graphite +0,25 Platinum +0,26

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