GB/T 30790.4-2014

Active

Paints and varnishes―Corrosion protection of steel structures by protective paint systems―Part 4: Types of surface and surface preparation

色漆和清漆 防护涂料体系对钢结构的防腐蚀保护 第4部分：表面类型和表面处理

Standard Type
GBT
ICS
87.020
CCS
G50
Status
Active
Issue Date
2014-07-08
Implementation
2014-12-01
Centralized Committee
中国石油和化学工业联合会
Issuing Authority
中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

Application Summary AI generated

This standard specifies the types of surfaces and surface preparation methods for steel structures before applying protective paint systems. It is applied in industrial sectors such as construction, bridges, and offshore facilities to ensure proper adhesion and corrosion resistance of coatings. The standard is used by engineers and inspectors to define acceptable surface conditions and preparation grades for quality control in coating projects.

Related Standards

GB/T 17849-1999 Preparation of steel substrates before application of paints and related products--Test methodsfor non-metallic blast-cleaning abrasives GB/T 17850.3-1999 Preparation of steel substrates before application of paints and related products--Specifications for non-metallic blast-cleaning abrasives--Copper refinery slag GB/T 9750-1998 Marks for package of coating products GB/T 4054-2008 Representation of coating GB/T 30790.8-2014 Paints and varnishes―Corrosion protection of steel structures by protective paint systems―Part 8:Development of specification for new work and maintenance GB/T 30790.7-2014 Paints and varnishes―Corrosion protection of steel structures by protective paint systems―Part 7: Execution and supervision of paint work GB/T 30790.6-2014 Paints and varnishes―Corrosion protection of steel structures by protective paint systems―Part 6: Laboratory performance test methods GB/T 30790.3-2014 Paints and varnishes―Corrosion protection of steel structures by protective paint systems―Part 3: Design considerations
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.