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GB/T 33423-2024Technical specification for corrosion control of coastal and offshore wind turbines (English PDF)

沿海及海上风电机组腐蚀控制技术规范

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

April 25, 2024

Implementation date

November 1, 2024

Scope

GB/T 33423-2024 is the English-translated version of 沿海及海上风电机组腐蚀控制技术规范.

GB/T 33423-2024 is the Chinese standard "Technical specification for corrosion control of coastal and offshore wind turbines".

Its scope clause reads: This document specifies the overall requirements for corrosion control of offshore wind turbines and onshore coastal wind turbines within 10 km of the coastline, corrosion control requirements, and Technical requirements for control measures, coating protection, cathodic protection, corrosion monitoring, as well as safety, health and environmental protection requirements: This document applies to the foundation, tower, wind rotor-nacelle assembly of offshore wind turbines and onshore coastal wind turbines within 10km of the coastline: Corrosion control of parts and equipment:.

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Document preview — GB/T 33423-2024

National Standard of the People's Republic of China

ICS: 25.220.99
Classification: A29

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1 Scope
2 Normative references
3 Terms and definitions
4 General Requirements
5 Corrosion Control Measures
6 Coating protection
7 Cathodic protection
8 Corrosion Monitoring
9 Safety, health and environmental protection requirements
Appendix B (Normative) Design Calculation of Sacrificial Anode System
Appendix C (Normative) Anode shielding layer design calculation
Appendix D (Normative) Impressed Current System Design Calculation
References

1 Scope

This document specifies the overall requirements for corrosion control of offshore wind turbines and onshore coastal wind turbines within 10 km of the coastline, corrosion control requirements, and

Technical requirements for control measures, coating protection, cathodic protection, corrosion monitoring, as well as safety, health and environmental protection requirements:

This document applies to the foundation, tower, wind rotor-nacelle assembly of offshore wind turbines and onshore coastal wind turbines within 10km of the coastline:

Corrosion control of parts and equipment:

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document:

For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to

This document:

GB/T 1724 Determination of fineness of grinding of paints, varnishes and printing inks

GB/T 1725 Determination of non-volatile matter content of paints, varnishes and plastics

GB/T 1728 Determination of drying time of paint and putty films

GB/T 1731 Determination of flexibility of paint and putty films

GB/T 1732 Determination of impact resistance of paint films

GB/T 1733-1993 Determination of water resistance of paint films

GB/T 1740 Determination of moisture and heat resistance of paint films

GB/T 1768 Determination of abrasion resistance of paints and varnishes - Rotating rubber wheel method

GB/T 1770 Determination of polishability of coatings and putty films

GB/T 1865 Paints and varnishes - Artificial weathering and exposure to artificial radiation - Filtered xenon arc radiation

GB/T 4948 Aluminum-zinc-indium alloy sacrificial anode

GB/T 4950 Zinc alloy sacrificial anode

GB/T 5210 Paint and varnish adhesion test by pull-off method

GB/T 5267:1 Fastener electroplating

GB/T 5267:2 Non-electrolytic zinc flake coating for fasteners

GB/T 5267:3 Hot-dip galvanized coating on fasteners

GB/T 5267:4 Fastener surface treatment - Passivation treatment of corrosion-resistant stainless steel

GB 6514 Safety regulations for painting operations - Safety of painting process and its ventilation and purification

GB/T 6739 Paints and varnishes - Determination of film hardness by pencil method

GB/T 6742 Paints and varnishes bending test (cylindrical mandrel)

GB/T 7387 Specifications for marine reference electrodes

GB/T 7388 Technical requirements for marine auxiliary anodes

GB 7691 Safety regulations for painting operations - General rules for safety management

GB 7692 Safety regulations for painting operations Safety of pre-painting treatment process and its ventilation and purification […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 42 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 5267

Similar standards

GB 38031-2025|GB/T 33423|GB/T 33423-2016|GB/T33423-2024|GB/T 1|GB/T 1724|GB/T 1725|GB/T 1728

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