GB/T 20644.1-2025 Active National standards

GB/T 20644.1-2025 Special environmental condition—Guidance for choosing—Part 1:Metals protection

Publish Date: 2025-08-01 Implement Date: 2026-02-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 20644.1-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Environment conditions and general testing methods

ICS Name: Environment testing

Publish Date: 2025-08-01

Implement Date: 2026-02-01

Pages: 16 pages

Scope

This document provides a classification of protective coatings for metal surfaces in special environmental conditions such as dry heat, dry desert, plateau, humid-hot marine environments, humid-hot climates, and cold climates, as well as the requirements for protective coatings in different environments, the selection of protective coatings for metal surfaces, the selection of evaluation items, and the selection of testing methods.
This document is applicable to organic coatings, metal cladding layers, and inorganic cladding layers on metal surfaces.