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GB/T 26287-2022: Aluminium alloys sacrificial anode for electrical water heater
Status: Valid GB/T 26287: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 26287-2022 | English | 429 |
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Aluminium alloys sacrificial anode for electrical water heater
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GB/T 26287-2022
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| GB/T 26287-2010 | English | 399 |
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Aluminium alloys sacrificial anode for electrical water heater
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GB/T 26287-2010
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PDF similar to GB/T 26287-2022
Basic data | Standard ID | GB/T 26287-2022 (GB/T26287-2022) | | Description (Translated English) | Aluminium alloys sacrificial anode for electrical water heater | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H61 | | Classification of International Standard | 77.150.10 | | Word Count Estimation | 22,258 | | Date of Issue | 2022-12-30 | | Date of Implementation | 2023-07-01 | | Older Standard (superseded by this standard) | GB/T 26287-2010 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 26287-2022: Aluminium alloys sacrificial anode for electrical water heater---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.
ICS 77.150.10
CCSH61
National Standards of People's Republic of China
Replacing GB/T 26287-2010
Aluminum alloy sacrificial anode for electric water heater
Posted on 2022-12-30
2023-07-01 implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules for Standardization Documents"
drafting.
This document replaces GB/T 26287-2010 "Aluminum Alloy Sacrificial Anodes for Electric Water Heaters".
In addition to structural adjustments and editorial changes, the main technical changes are as follows.
a) The scope has been changed, and electric water heaters are defined as non-potable water storage electric water heaters (see Chapter 1, Chapter 1 of the.2010 edition);
b) Changed the grade, specification, classification of typical structure and external dimensions of aluminum alloy sacrificial anodes for electric heating water (see 4.1,.2010 edition
4.1.1);
c) The product mark of aluminum alloy sacrificial anodes for electric water heaters has been changed (see 4.2, 4.1.2 of the.2010 edition);
d) Delete the chemical composition of 8B02 aluminum alloy sacrificial anode (see 4.4 of the.2010 edition);
e) Added the chemical composition of 8C02, 741Z.1, 781Z.1 aluminum alloy sacrificial anodes (see 5.1.1, 4.4 of the.2010 edition);
f) Changed the requirements for the chemical composition of the steel core (see 5.1.2, 4.6.1 of the.2010 edition);
g) Changed the size deviation (see 5.2, 4.3 of the.2010 edition);
h) The requirements for electrochemical performance have been changed (see 5.3, 4.5 of the.2010 edition);
i) Changed the requirements for contact resistance (see 5.4, 4.6.2 of the.2010 edition);
j) Change the surface quality requirements (see 5.5, 4.7 of the.2010 edition);
k) The test method for chemical composition has been changed (see 6.1, 5.4 of the.2010 edition);
l) Changed the test method for longitudinal curvature (see 6.2.3, 5.3 of the.2010 edition);
m) The test method for electrochemical performance has been changed (see 6.3, Appendix A, see 5.5 of the.2010 edition);
n) Changed the test method of contact resistance (see 6.4, 5.6 of the.2010 edition);
o) The detection method of surface quality has been changed (see 6.5, 5.7 of the.2010 edition);
p) Changed the inspection and acceptance rules (see 7.1, 6.1 of the.2010 edition);
q) Changed the batching requirements (see 7.2, 6.2 of the.2010 edition);
r) Changed the inspection items and sampling requirements (see 7.3, 6.3, 6.4 of the.2010 edition);
s) Changed the determination of inspection results (see 7.4, 6.5 of the.2010 edition);
t) changed the sign (see 8.1, 7.1 of the.2010 edition);
u) Changed the packaging requirements (see 8.2, 7.2 of the.2010 edition);
v) The content of the quality certificate has been changed (see 8.4, 7.4 of the.2010 edition);
w) The content of the purchase order (or contract) has been changed (see Chapter 9, Chapter 8 of the.2010 edition).
Please note that some contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents.
This document is proposed by China Nonferrous Metals Industry Association.
This document is under the jurisdiction of the National Nonferrous Metals Standardization Technical Committee (SAC/TC243).
This document is drafted by. Xiamen Torch Special Metal Materials Co., Ltd., National Standard (Beijing) Inspection and Certification Co., Ltd., Beijing Youyan Special Materials
Technology Co., Ltd.
The main drafters of this document. Han Li, Wen Junguo, Ma Zhixin, Chen Dongxu, Zhang Yangyang, Fan Zhigang, Shi Xuedong, Guo Chulei, Li Xiaohui,
Li Chenyang.
This document was first published in.2010, and this is the first revision.
Aluminum alloy sacrificial anode for electric water heater
1 Scope
This document specifies the classification, technical requirements, test methods, inspection
Rules and signs, packaging, transportation, storage and quality certificates and purchase orders (or contracts).
This document applies to aluminum anodes produced by extrusion and casting methods for use in non-potable storage electric water heaters. extrusion and casting methods
The aluminum anodes produced for hot water boilers and solar water heaters are used as a reference.
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document.
GB/T 196 Basic dimensions of ordinary thread
GB/T 223 (all parts) Methods for chemical analysis of iron, steel and alloys
GB/T 700 carbon structural steel
GB/T 3190 Chemical Composition of Wrought Aluminum and Aluminum Alloys
GB/T 3199 Packaging, labeling, transportation and storage of aluminum and aluminum alloy processed products
GB/T 6682 Analytical laboratory water specifications and test methods
GB/T 7999 Aluminum and aluminum alloy photoelectric direct reading emission spectrum analysis method
GB/T 8170 Numerical rounding off rules and limit value determination methods
GB/T 17432 Sampling method for chemical composition analysis of wrought aluminum and aluminum alloys
GB/T 20975 (all parts) Methods for chemical analysis of aluminum and aluminum alloys
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
An aluminum alloy product composed of an aluminum matrix and a steel core for cathodic protection.
Note. The aluminum matrix provides the cathodic protection current for the protected parts, and is gradually consumed with the output of the protection current; the steel core provides the conductor for the cathodic protection current, and
Provide connection between aluminum substrate and protected parts.
4 Product categories
4.1 Category, grade, code, size specification
According to the production method, aluminum anodes are divided into cast aluminum anodes and extruded aluminum anodes. The typical structure diagram is shown in Figure 1.Its grade, code and size
Specifications should comply with the provisions of Table 1.When the purchaser needs aluminum anodes of other grades and sizes, it shall be determined in the order form after negotiation between the supplier and the purchaser.
(or contract).
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