GB/T 4950-2002
Sacrificial anode of Zn-Al-Cd alloy (English Version)
- Standard No.
- GB/T 4950-2002
- Language
- Chinese, Available in English version
- Release Date
- 2002
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2022-03
- Replace By
- GB/T 4950-2021
- Latest
- GB/T 4950-2021
- Replace
- GB/T 4950-1985
- Scope
- This standard specifies the classification, requirements, test methods, inspection rules, marking, packaging, transportation and storage of zinc-aluminum-cadmium alloy sacrificial anodes (hereinafter referred to as sacrificial anodes). This standard applies to the design, manufacture, inspection, storage, etc. of sacrificial anodes for cathodic protection of metal components in seawater, fresh seawater, soil and other electrolytes with a temperature lower than 50 °C and a resistivity less than 15 Ω·m, including ships, ports, etc. Sacrificial anodes for cathodic protection of steel structures such as industrial facilities, ocean engineering, buried metal pipelines, storage tanks, and seawater cooling water systems.
GB/T 4950-2002 history
- 2021 GB/T 4950-2021 Sacrificial anode of zinc alloy
- 2002 GB/T 4950-2002 Sacrificial anode of Zn-Al-Cd alloy
- 1999 GB/T 17848-1999 Test methods for electrochemical properties of sacrificial anodes
- 0000 GB/T 4950-1985
