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External Coupons

Test samples exposed to external environments to monitor corrosion rates and effectiveness of protection measures.

Pipeline Corrosion

+4

Mixed Metal Potentials

Jan 11, 2026

•

10 min read

Mixed Metal Potentials

Article 0020 Accurate CP Potentials and Interpretation

Michael Roberts
Roberts Corrosion Services, LLC
Michael Roberts, +1

Pipeline Corrosion

+4

Understanding NACE SP0104-2020
LockSimple

Dec 15, 2025

•

9 min read

Understanding NACE SP0104-2020

Article 0012 The Use of Coupons for Cathodic Protection Monitoring

Michael Roberts
Roberts Corrosion Services, LLC
Michael Roberts, +1

Pipeline Corrosion

+4

External Corrosion Coupons

Dec 14, 2025

•

11 min read

External Corrosion Coupons

Article 0011 What Are External Corrosion Coupons and Why Do They Matter for Pipe-to-Soil Potential Data?

Michael Roberts
Roberts Corrosion Services, LLC
Michael Roberts, +1

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