Test Methods and Specifications

Cover of Hot Dip Galvanizing
Hot Dip Galvanizing
  • Publication no: ATS-5452-26
  • Published: 27 May 2026
  • Edition: 2.0

Austroads Technical Specification ATS 5452 sets out the requirements for the hot dip galvanizing of steel articles where the galvanized coating is applied after fabrication. This includes the coating of fabricated structural steel sections, fabricated steel assemblies, castings and miscellaneous steel components.

The technical specification can also be downloaded as a Word document.

Edition 2.0 published May 2026

Edition 2.0 includes:

  • amendments to Clauses 5 to 10 revised to accommodate the 2025 edition of AS/NZS 4680

Superseded editions

Edition 1.0 published October 2023

  • 1. Scope
  • 2. Referenced Documents
  • 3. Definitions
  • 4. Quality System Requirements
  • 5. General
  • 6. Pre-Galvanizing
  • 7. Post-Galvanizing Requirements
  • 8. Preparation of Galvanized Members for Painting
  • 9. Repair of Damaged Galvanized Coatings
  • 10. Reporting
  • Annexure A: Summary of Hold Points, Witness Points and Records