GB/T 4948-2002

Abolished

Sacrificial anode of Al-Zn-In series alloy

铝-锌-铟系合金牺牲阳极

Standard Type
GBT
ICS
47.020.05
CCS
U05
Status
Abolished
Issue Date
2002-08-29
Implementation
2003-01-01
Centralized Committee
国家标准委
Issuing Authority
中华人民共和国国家质量监督检验检疫总局

Application Summary AI generated

This standard specifies the chemical composition, electrochemical properties, and manufacturing requirements for sacrificial anodes made from Al-Zn-In series alloys. It is applied in the cathodic protection of steel structures in marine environments, such as ship hulls, offshore platforms, and submerged pipelines, to prevent corrosion through galvanic action. The standard ensures consistent performance in seawater, brackish water, and similar electrolytes.

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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.