Cathodic Protection Products and Materials

Item Type
anode (39)
backfill (11)
rectifier (16)
reference electrode (26)
volatile corrosion inhibitor (24)
Anode Options
aluminum (7)
cast iron (4)
extruded magnesium (1)
galvanic (23)
impressed current (15)
magnesium (6)
MMO (6)
zinc (10)
Backfill Options
clay (1)
dust-free (3)
earth seal (1)
ground enhancement (2)
low resistivity (3)
rapid sinking (1)
Rectifier Options
portable (10)
rectifier accessories (4)
rectifier replacement parts (2)
Reference Electrode Options
permanent (10)
portable (10)
Manufacturer / Brand
ALCO (10)
AnodeFlex (3)
Anotec (4)
Cott Manufacturing (2)
De Nora (5)
Electrochemical Devices Inc (EDI) (15)
Galvotec (4)
Loresco International (13)
M.C. Miller (17)
M&M Industries (17)
Platt Brothers and Co. (4)
Tinker and Rasor (1)
Universal Rectifier (10)
Zerust (24)
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Material
Voltage Range
Relative Position
Least Noble (More Anodic)
Magnesium
-1.60V to -1.67V
Zinc
-1.00V to -1.07V
Beryllium
-0.93V to -0.98V
Aluminum Alloys
-0.76V to -0.99V
Cadmium
-0.66V to -0.71V
Mild Steel
-0.58V to -0.71V
Cast Iron
-0.58V to -0.71
Low Alloy Steel
-0.56V to -0.64V
Austenitic Cast Iron
-0.41V to -0.54V
Aluminum Bronze
-0.31V to -0.42V
Brass (Naval, Yellow, Red)
-0.31V to -0.40V
Tin
-0.31V to -0.34V
Copper
-0.31V to -0.40V
50/50 Lead/Time Solder
-0.29V to -0.37V
Admiralty Brass
-0.24V to -0.37V
Aluminum Brass
-0.24V to -0.37V
Manganese Bronze
-0.24V to -0.34V
Silicon Bronze
-0.24V to -0.30V
Stainless Steel (410, 416)
-0.24V to -0.37V
(-0.45V to -0.57V)
Nickel Silver
-0.24V to -0.30V
90/10 Copper/Nickel
-0.19V to -0.27V
80/20 Copper/Nickel
-0.19V to -0.24V
Stainless Steel (430)
-0.20V to -0.30V
(-0.45V to -0.57V)
Lead
-0.17V to -0.27V
70/30 Copper Nickel
-0.14V to -0.25V
Nickel Aluminum Bronze
-0.12V to -0.25V
Nickel Chromium Alloy 600
-0.09V to -0.15V
(-0.35V to -0.48V)
Nickel 200
-0.09V to -0.20V
Silver
-0.09V to -0.15V
Stainless Steel (302, 304, 321, 347)
-0.05V to -0.13V
(-0.45V to -0.57V)
Nickel Copper Alloys (400, K500)
-0.02V to -0.13V
Stainless Steel (316, 317)
0.00V to -0.10V
(-0.35V to -0.45V)
Alloy 20 Stainless Steel
0.04V to -0.12V
Nickel Iron Chromium Alloy 825
0.04V to -0.10V
Titanium
0.04V to -0.12V
Gold
0.20V to 0.07V
Platinum
0.20V to 0.07V
Graphite
0.36V to 0.19V
Most Noble (More Cathodic)

Primary voltage range for material
Voltage range in crevices or stagnant and poorly aerated water