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GB/T 17731: Historical versions
| Std ID | Version | USD | Buy | Deliver [PDF] in | Title (Description) |
| GB/T 17731-2015 | English | 319 |
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Magnesium alloy sacrificial anode
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| GB/T 17731-2009 | English | 559 |
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| GB/T 17731-2004 | English | 639 |
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| GB/T 17731-1999 | English | 279 |
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Basic data
| Standard ID | GB/T 17731-2015 (GB/T17731-2015) |
| Description (Translated English) | Magnesium alloy sacrificial anode |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | H61 |
| Classification of International Standard | 77.150.20 |
| Word Count Estimation | 15,145 |
| Date of Issue | 2015-09-11 |
| Date of Implementation | 2016-04-01 |
| Older Standard (superseded by this standard) | GB/T 17731-2009 |
| Quoted Standard | GB/T 912; GB 1499.1; GB/T 4950-2002; GB/T 8170; GB/T 13748; GB/T 24488 |
| Regulation (derived from) | National Standard Announcement 2015 No.25 |
| Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China |
| Summary | This standard specifies the magnesium alloy sacrificial anodes (hereinafter referred to as magnesium anode) requirements, test methods, inspection rules, marking, packaging, transportation, storage and purchase order (or contract) content. This standard applies to the work of the metal in the soil, freshwater and seawater media (mainly steel) facilities by casting, extrusion method of production of magnesium anode cathodic protection. |
GB/T 17731-2015: Magnesium alloy sacrificial anode
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Magnesium alloy sacrificial anode
ICS 77.150.20
H61
National Standards of People's Republic of China
Replacing GB/T 17731-2009
Magnesium alloy sacrificial anode
Issued on. 2015-09-11
2016-04-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard replaces GB/T 17731-2009 "magnesium alloy sacrificial anode." Compared with GB/T 17731-2009, the major technological change
as follows.
--- Increased water heater rod casting magnesium anode;
--- Provides casting magnesium anode rod dimensions and tolerances;
--- Provisions of the magnesium anode rod casting weight deviation;
--- Cast magnesium anode rod provides the chemical composition and electrochemical properties of sampling methods.
The standard proposed by China Nonferrous Metals Industry Association.
This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized.
This standard is drafted by. Fergus preservative Ltd. Zibo.
Participated in the drafting of this standard. Shandong Yuyuan silver light metal Precision Molding Co., Ltd., Shandong Academy of Sciences Institute of New Materials, Shanxi
Silver Huasheng Magnesium Co., Ltd.
The main drafters of this standard. Chai Shao Chun, Shen Bao Zhai, Wang Ludong, Sun Qiming, Wang forward, Tangshou Qiu, Zhou Ji school.
This standard replaces the standards previously issued as follows.
--- GB/T 17731-1999, GB/T 17731-2004, GB/T 17731-2009.
Magnesium alloy sacrificial anode
1 Scope
This standard specifies the magnesium alloy sacrificial anodes (hereinafter referred to as magnesium anode) requirements, test methods, inspection rules, marking, packaging, transportation, storage
Deposit and purchase order (or contract) content.
This standard applies to the work of the metal in the soil, freshwater and seawater media (mainly steel) cathodic protection facilities with casting,
Extrusion process for the production of magnesium anode.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 912 carbon structural steel and low-alloy structural steel sheets and strips
GB 1499.1 steel reinforced concrete - Part 1. Hot rolled steel
GB/T 4950-2002 Zn - Al - Cd alloy sacrificial anode
GB/T 8170 repair value expressed about the rules and limit values \u200b\u200band judgment
GB/T 13748 (all parts) magnesium and magnesium alloy chemical analysis method
GB/T 24488 magnesium alloy sacrificial anode electrochemical performance measurement method
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Actual capacity practicalcurrentcapacity
The actual measured power consumption per unit mass of sacrificial anode produced, in units of Ah/kg.
3.2
Theoretical capacity theoreticalcurrentcapacity
Calculation of power consumption per unit mass of sacrificial anode produced according to Faraday's law, in units of Ah/kg.
4 Requirements
4.1 Categories
4.1.1 grade, shape, production method and code
Magnesium anode according to the production method and shape into two categories (casting and extrusion), three shapes [trapezoid, D-shaped, rods (including rectangular and round bars
Stick)], the grade, production methods, and the shape of the code in accordance with Table 1. The demand side and the need for other grades of magnesium anode shape by supply and demand
The two sides negotiated.
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