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GB/T 25826-2022: Epoxy-coated steel for the reinforcement of concrete
Status: Valid GB/T 25826: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 25826-2022 | English | 479 |
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Epoxy-coated steel for the reinforcement of concrete
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GB/T 25826-2022
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| GB/T 25826-2010 | English | 839 |
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Epoxy-coated steel for the reinforcement of concrete
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GB/T 25826-2010
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PDF similar to GB/T 25826-2022
Basic data | Standard ID | GB/T 25826-2022 (GB/T25826-2022) | | Description (Translated English) | Epoxy-coated steel for the reinforcement of concrete | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H44 | | Classification of International Standard | 77.140.60 | | Word Count Estimation | 26,283 | | Date of Issue | 2022-10-14 | | Date of Implementation | 2022-10-12 | | Older Standard (superseded by this standard) | GB/T 25826-2010 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 25826-2022: Epoxy-coated steel for the reinforcement of concrete---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.
Epoxy-coated steel for the reinforcement of concrete
ICS 77.140.60
CCSH44
National Standards of People's Republic of China
Replacing GB/T 25826-2010
Epoxy-coated steel bars for reinforced concrete
(ISO 14654.1999, MOD)
Published on 2022-10-12
2022-10-12 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration
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 of Standardization Documents"
drafted.
This document replaces GB/T 25826-2010 "Epoxy-coated steel bars for reinforced concrete", compared with GB/T 25826-2010, except for the
In addition to structural adjustments and editorial changes, the main technical changes are as follows.
--- Changed the requirements for pre-coating treatment (see 6.2.1, 6.2.1 of the.2010 edition);
--- Increased the coating thickness index requirements for steel bars with different diameters (see 6.4.1);
--- Changed the coating continuity and tightened appropriately (see 6.4.2.2, 6.4.2.2 of the.2010 edition);
--- Changed the expression method of epoxy coating steel bending test (see 7.3, 7.3 of the.2010 edition);
--- Changed the process control inspection items (see 8.3.1, 8.2.1 of the.2010 edition);
--- Added specific requirements for handling of coated steel bars (see 9.2);
--- Changed the surface contamination detection method (see C.1.7, A.2.7 of the.2010 edition).
This document is modified to adopt ISO 14654.1999 "Epoxy-coated steel for reinforced concrete".
Compared with ISO 14654.1999, this document has many adjustments in structure. For the comparison list of structure numbers between the two documents, see
Appendix A.
Compared with ISO 14654.1999, this document has many technical differences. In the outer margins of the clauses involved, vertical
A single line (|) is marked. See Appendix B for a list of these technical differences and their reasons.
The following editorial changes have been made to this document.
--- Change the standard name to "Epoxy Coated Steel Bar for Reinforced Concrete";
--- Deleted the note in 4.1 of ISO 14654.1999;
--- Deleted the note to Chapter 6 in ISO 14654.1999;
--- Deleted A.2 in Appendix A of ISO 14654.1999;
--- Deleted C.1, C.2, C.3 in Appendix C of ISO 14654.1999;
--- Deleted Annex D of ISO 14654.1999;
--- Deleted the "references" of ISO 14654.1999.
Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents.
This document is proposed by China Iron and Steel Association.
This document is under the jurisdiction of the National Steel Standardization Technical Committee (SAC/TC183).
This document is drafted by. China Metallurgical Construction Research Institute Co., Ltd., Zhejiang Fugang Metal Products Co., Ltd., Metallurgical Industry Information Standards Research Institute
Research Institute, Fubai New Materials (Zhejiang) Co., Ltd., Hangzhou Benchuang Technology Co., Ltd.
The main drafters of this document. Zhu Jianguo, Wang Yujie, Zhu Borong, Chen Jie, Pan Yijie, Liu Hongyi, Liu Baoshi, Li Nannan, Chen Rongliang, He Xiaoyu,
Tang Liang, Tao Jun, Xu Xiaomei.
This document was first published in.2010 and this is the first revision.
Epoxy-coated steel bars for reinforced concrete
1 Scope
This document specifies the classification code, order content, technical requirements, and tests of fusion-bonded epoxy-coated steel bars and finished steel bars for concrete
Methods, inspection rules, packaging, marking and quality certificates.
This document applies to rebar processed before and after coating and to finished rebar processed before coating.
2 Normative references
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations
documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to
this document.
GB/T 1499.1 Steel for Reinforced Concrete Part 1.Hot Rolled Round Bars
GB/T 1499.2 Steel for Reinforced Concrete Part 2.Hot Rolled Ribbed Bars
GB/T 1499.3 Steel for Reinforced Concrete Part 3.Reinforced Welded Mesh
GB/T 1768 Paint and Varnish Determination of Abrasion Resistance Rotating Rubber Grinding Wheel Method (GB/T 1768-2006, ISO 7784-2.
1997, IDT)
GB/T 2101 General requirements for acceptance, packaging, marking and quality certificate of shaped steel
GB/T 3505-2009 Product Geometric Specifications (GPS) Terms, Definitions and Surface Structure Parameters of Surface Structure Profile Method
(ISO 4287.1997, IDT)
GB/T 8923.1-2011 Visual assessment of surface cleanliness of steel surface treatment before application of paint - Part 1.Uncoated
The rust grade and treatment grade of the steel surface and the steel surface after comprehensive removal of the original coating (ISO 8501-1.2007, IDT)
GB/T 13452.2-2008 Determination of film thickness of paints and varnishes (ISO 2808.2007, IDT)
GB/T 13788 Cold-rolled ribbed steel bars
GB/T 20624.2-2006 Paints and varnishes - Rapid deformation (impact resistance) test - Part 2.Drop weight test (small area impact
header) (ISO 6272-2.2002, IDT)
GB/T 50152 Test method standard for concrete structures
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Coated steel bar coatedbar
Fusion bonding epoxy-coated rebar, welded mesh and finished rebar.
3.2
Pre-coating conversioncoating
Pre-treatment of metal surfaces prior to coating to promote coating adhesion, corrosion resistance and blister resistance.
3.3
strip disbonding
Bond failure between fusion bonded epoxy coating and rebar surface.
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