Field Services


Field Services

Bringing the expertise, experience and care you need, Allied Corrosion Industries' field-proven specialists are fully trained and operator qualified in the technology of taking and efficiently providing a full suite of field services.

CP Diagnostic Testing

If a cathodic protection system is not working properly, Allied’s experienced cathodic protection staff can assess the situation and make recommendations for further diagnostics, adjustments, and/or repairs.


Allied Corrosion provides a comprehensive variety of field survey services, to include and not limited to:

  • IR Drop Free Potential Surveys
  • Close Interval Surveys
  • DCVG Surveys
  • ACVG Surveys
  • Pipeline Depth of Cover Surveys
  • Hot Spot Surveys
  • AC Attenuation Surveys
  • Class Location Survey (Population Density)
  • Rectifier Surveys

Short Locating

Locating and mitigating electrical shorts on underground pipelines is a necessary part of maintaining a cathodic protection system. Allied Corrosion offers short locating services, in addition to cathodic protection installation and design services.

Field Services

Cathodic Protection is installed in deep wells, 150-700 ft deep to protect buried pipelines.

Linear anodes are placed, in a parallel manner, along the length of the pipeline, in close proximity to the pipeline.

Anodes are placed linearly, perpendicular to the pipeline.

Don't let electrical interference deter your corrosion control methods or cause corrosion on its own. Contact Allied Corrosion for a full AC Mitigation plan.

Don't let electrical interference deter your corrosion control methods or cause corrosion on its own. Contact Allied Corrosion for a full AC Mitigation plan.

Stray Current Interference Testing

Allied Corrosion offers stray current analysis and mitigation services. These are primarily associated with wither foreign pipelines and/or HVAC power lines.

Pipeline Flange Insulating Installation

Allied Corrosion Industries, Inc., offers services relating to the either the selection of proposed flange insulation sites and/or the assessment of existing flange insulating flanges sets. This service extends and includes the actual installation of flange insulation kits on existing pipeline flanges.

Test Station / Pipeline Marker Maintenance

As part of your pipeline operations, test stations and pipeline should installed, maintained and monitored along the entire pipeline route. This is to include the installation and maintenance of pipeline markers. These as you know are integral to the proper maintenance of your pipeline. Allied Corrosion offers "test station" and "pipeline marker" installation, repair and maintenance services. Some of the more common test stations which Allied Corrosion has extensive experience in are:

  • Standard Two-Wire Test Stations
  • IR Drop Test Stations
  • Isolation Joint Test Stations
  • Pipeline Casing Test Stations
  • Foreign Pipeline Test Stations
  • Galvanic Anode Test Stations
  • Corrosion Coupon Test Stations
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Contact Allied Corrosion Today


1550 Cobb Industrial Dr.  |  P.O. Box 9098  |  Marietta, GA 30065-2098

770-425-1355 (Phone) | 770-425-1354 (Fax) | (Email)

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Voltage Range
Relative Position
Least Noble (More Anodic)
-1.60V to -1.67V
-1.00V to -1.07V
-0.93V to -0.98V
Aluminum Alloys
-0.76V to -0.99V
-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
-0.31V to -0.34V
-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)
-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
-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
0.04V to -0.12V
0.20V to 0.07V
0.20V to 0.07V
0.36V to 0.19V
Most Noble (More Cathodic)

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