Direct Assessments


Direct Assessment

When you partner with Allied Corrosion Industries, Inc., you improve operational certainty by mitigating risks through our full suite of inspection and assessment services.

Our Integrity Management Team is ready to provide turn-key assessment and inspection services or we can perform any single or multiple step(s) that you, the owner/operator require.

Over the course of its lifetime, a pipeline may face many threats to its integrity. Allied Corrosion Industries, Inc.'s Assessment and Inspections services, as a part of a full Pipeline Integrity Management program, are key to staying ahead of potential corrosion risks, ensuring that your pipeline assets run reliably for the duration of their lifetime.

AC Mitigation Solutions

Discover Corrosion Before It's Too Late

ECDA - External Corrosion Direct Assessment

Third-party damage, soil stress and excessive operation temperatures can expose pipelines to external corrosion. Allied Corrosion Industries, Inc., offers ECDA up to NACE Standard RP0502-2002.

ICDA - Internal Corrosion Direct Assessment

Contaminants and water can induce internal corrosion on pipelines. To prevent internal corrosion, Allied Corrosion Industries, Inc.'s NACE-certified Direct Assessment professionals conduct ICDA using state-of-the-art equipment.

SCCDA - Stress Corrosion Cracking Direct Assessment

Stress corrosion cracking failures can occur on pipelines experiencing environmental, thermal and operational stress. Partner with Allied Corrosion Industries, Inc. to assess these, and other, corrosion issues.

Other Pipeline Integrity Services

Construction worksite with crew, cranes and other equipment
Assortment of metal tools
Hand with a pencil over a blueprint
When repairs are needed on expensive pipeline, Allied Corrosion Industries, Inc. has the expertise and experience to repair the asset and restore functionality to the system.
Allied Corrosion Industries, Inc. is certified by NACE International to provide quality corrosion preventation solutions.
Person working on mapping blueprints at a desk.

Contact Allied Corrosion Today


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

770-425-1355 (Phone) | 770-425-1354 (Fax) | info@alliedcorrosion.com (Email)

©2018 Allied Corrosion. All rights Reserved.

Made with by Mighty Good Marketing

Close Menu


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