GB/T 30790.3-2014
Paints and varnishes.Corrosion protection of steel structures by protective paint systems.Part 3: Design considerations (English Version)

Standard No.: GB/T 30790.3-2014
Language: Chinese, Available in English version
Release Date: 2014
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 30790.3-2014

Scope: This part of GB/T 30790 discusses the basic principles of structural design that should be followed for steel structures with protective coating systems for anti-corrosion coating in order to avoid premature corrosion and aging of structures or coatings. Some examples of appropriate and inappropriate designs are listed, briefly explaining how to avoid problems in the process of construction, inspection and maintenance of protective coating systems, and also discussing the design methods that are beneficial to the handling and transportation of steel structures.

GB/T 30790.3-2014 Referenced Document

GB/T 13912 Metallic coatings—Hot dip galvanized coatings on fabricated iron and steel articles—Specifications and test methods*， 2020-06-02 Update
GB/T 19355 Protection against corrosion of iron and steel in structures-Zinc and aluminum coatings-Guidelines
GB/T 30790.1 Paints and varnishes.Corrosion protection of steel structures by protective paint systems.Part 1:General introduction
GB/T 30790.2 Paints and varnishes.Corrosion protection of steel structures by protective paint systems.Part 2:Classification of environments
GB/T 30790.5 Paints and varnishes.Corrosion protection of steel structures by protective paint systems.Part 5: Protective paint systems
GB/T 8923.1 Preparation of steel substrates before application of paints and related products.Visual assessment of surface cleanliness.Part 1:Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coa

2014 GB/T 30790.3-2014 Paints and varnishes.Corrosion protection of steel structures by protective paint systems.Part 3: Design considerations