GB/T 17731-2015 English PDF

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GB/T 17731-2015: Magnesium alloy sacrificial anode
Status: Valid

GB/T 17731: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 17731-2015	319	Add to Cart	3 days	Magnesium alloy sacrificial anode	Valid
GB/T 17731-2009	559	Add to Cart	4 days	Magnesium alloy sacrificial anode	Obsolete
GB/T 17731-2004	639	Add to Cart	3 days	Magnesium alloy sacrificial anode	Obsolete
GB/T 17731-1999	279	Add to Cart	3 days	Magnesium alloy sacrificial anode	Obsolete

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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: 15,196
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Older Standard (superseded by this standard): GB/T 17731-2009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

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
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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