GB/T 25820-2025 (GB/T 25820-2018) English PDF
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GB/T 25820: Historical versions
| Standard ID | USD | BUY PDF | Delivery | Standard Title (Description) | Status |
| GB/T 25820-2025 | 439 | Add to Cart | 4 days | Steel strapping for packaging | Valid |
| GB/T 25820-2018 | 140 | Add to Cart | Auto, 9 seconds. | Steel strip for packing | Valid |
| GB/T 25820-2010 | 399 | Add to Cart | 3 days | Steel strips for packing | Obsolete |
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GB/T 25820-2018: Steel strip for packing
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT25820-2018GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 77.140.50 H 46 Replacing GB/T 25820-2010 Steel strip for packing Issued on: MAY 14, 2018 Implemented on: FEBRUARY 1, 2019 Issued by. State Administration for Market Regulation; Standardization Administration of the People's Republic of China.
Table of Contents
Foreword... 3 1 Scope... 5 2 Normative references... 5 3 Designation and classification... 5 4 Ordering content... 6 5 Dimensions, shapes and allowable deviations... 7 6 Technical requirements... 8 7 Inspection and test... 10 8 Finished product packing... 11 9 Marking... 14 10 Transportation... 14 11 Quality certification... 15 12 Rounding off of numerical value... 15 Annex A (Informative) Reverse bend property of strapping strips... 16 Annex B (Normative) Definition and measuring method of the shape of strapping strips... 17 Steel strip for packing1 Scope
This Standard specifies the designation and classification, ordering content, dimensions, shapes and allowable deviations, technical requirements, inspection and test, packaging, marking, transportation and quality certification for steel strips for packing. This Standard applies to steel strips for the strapping use for packing for metal materials, glass, light industrial products, logistic transportation and so on (hereinafter referred to as strapping strips).2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition dated applies to this document. For undated references, the latest edition of the referenced documents (including all amendments) applies to this document. GB/T 228.1, Metallic materials – Tensile testing – Part 1.Method of test at room temperature GB/T 235, Metallic materials – Sheet and strip – Reverse bend test GB/T 247, General rule of package mark and certification for steel plates (sheets) and strips GB/T 8170, Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 10125, Corrosion tests in artificial atmospheres – Salt spray tests GB/T 17505, Steel and steel products – General technical delivery requirements3 Designation and classification
3.1 Designation The designation of strapping strips consists of minimum tensile strength value and Chinese Pinyin initials “KD” of “strapping strip”. Example. 830KD. 830 – specified minimum tensile strength, in MPa; KD – Chinese Pinyin initials of “strapping strip”. 3.2 Classification 3.2.1 They are classified into the following based on the strength. a) ordinary strapping strips. 830KD and 880 KD; b) high-strength strapping strips. 930KD and 980KD; c) ultrahigh-strength strapping strips. 1150KD, 1250KD and 1350KD. 3.2.2 They are classified into the following based on the surface condition. a) blued. referring to that the surface of finished products includes an oxidation film and a wax protective layer. b) painted. referring to that the surface of finished products includes paint and a wax protective layer. c) galvanized. referring to that the surface of finished products includes zinc (zinc alloy) and a wax protective layer. 3.2.3 They are classified into the following based on the coiling method. a) simplex coiling (hereinafter referred to as simplex). a coiling method in which the coiling centre is fixed during the coiling of finished products. b) duplex coiling (hereinafter referred to as duplex). a coiling method in which the coiling centre reciprocates to an agreed distance along an axis.4 Ordering content
Contracts or orders based on this Standard shall include the following content. a) designation; b) a reference to this Standard; c) dimensions; ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
