Cathodic Protection Systems

---
name: cathodic-protection-cathodic-protection-systems
description: 'Sub-skill of cathodic-protection: Cathodic Protection Systems (+2).'
version: 1.2.0
category: engineering
type: reference
scripts_exempt: true
---

# Cathodic Protection Systems (+2)

## Cathodic Protection Systems


| System Type | Applications |
|-------------|--------------|
| **SACP** (Sacrificial Anode) | Offshore structures, pipelines, short-term protection |
| **ICCP** (Impressed Current) | Long pipelines, complex structures, retrofit |
| **Hybrid** | Combined systems for optimal protection |

## Anode Materials


| Material | Application | Environment |
|----------|-------------|-------------|
| Al-Zn-In | Marine, seawater | Offshore, subsea |
| Magnesium | Soil, freshwater | Onshore pipelines |
| MMO (Mixed Metal Oxide) | ICCP anodes | All environments |
| Graphite | Deep well anodes | Soil, groundbeds |
| High-silicon iron | Groundbeds | Soil |

## Industry Standards


| Standard | Scope |
|----------|-------|
| **DNV-RP-F103** | Cathodic protection of submarine pipelines (galvanic anodes) |
| **DNV-RP-B401** | Cathodic protection design (offshore structures) |
| **ABS GN Ships** | Cathodic protection of ships |
| **ABS GN Offshore** | Cathodic protection of offshore structures |
| **NACE SP0169** | External corrosion control of pipelines |
| **NACE SP0176** | Corrosion control of steel fixed offshore platforms |
| **ISO 15589-2** | Cathodic protection of offshore pipelines |
| **API RP 651** | Cathodic protection of aboveground tanks |
| **SNAME T&R R-21** | Cathodic protection of marine service |