1 Scope
This standard specifies requirements, test methods, inspection rules, marking, packaging, transport, storage and order (or contract) contents of the magnesium alloy sacrificial anode (hereinafter referred to as magnesium anode).
This standard is applicable to magnesium anodes produced through casting or extruding and used for cathodic protection of metal (mainly steel) facilities working in such media as soil, fresh water and seawater.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 912 Hot-rolled Sheets and Strips of Carbon Structural Steels and High Strength Low Alloy Structural Steels
GB 1499.1 Steel for the Reinforcement of Concrete - Part 1: Hot Rolled Plain Bars
GB/T 4950-2002 Sacrificial Anode of Zn-Al-Cd Alloy
GB/T 8170 Rules of Rounding off for Numerical Values & Expression and Judgment of Limiting Values
GB/T 13748 (all parts) Chemical Analysis Methods of Magnesium and Magnesium Alloys
GB/T 24488 Test Method for Electrochemical Properties of Magnesium Alloys Sacrificial Anode
3 Terms and Definitions
For the purposes of this document, the following terms and definitions apply.
Foreword i
1 Scope
2 Normative References
3 Terms and Definitions
4 Requirements
5 Test Methods
6 Inspection Rules
7 Marking, Packaging, Transport and Storage
8 Order (or Contract) Contents
Annex A (Informative) Electric Potential Comparison Table Between the Reference Electrode of the Saturated Copper Sulfate and That of Saturated Calomel
