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GB/T 5313-2023 English PDF (GB/T 5313-2010, GB/T 5313-1985)

GB/T 5313-2023_English: PDF (GB/T5313-2023)
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 5313-2023English165 Add to Cart 0--9 seconds. Auto-delivery Steel plate with through-thickness properties Valid GB/T 5313-2023
GB/T 5313-2010English70 Add to Cart 0--9 seconds. Auto-delivery Steel plate with through-thickness characteristics Obsolete GB/T 5313-2010
GB/T 5313-1985English239 Add to Cart 2 days [Need to translate] Steel plate with through-thickness characteristics Obsolete GB/T 5313-1985


BASIC DATA
Standard ID GB/T 5313-2023 (GB/T5313-2023)
Description (Translated English) Steel plate with through-thickness properties
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H46
Classification of International Standard 77.140.50
Word Count Estimation 10,166
Date of Issue 2023-09-07
Date of Implementation 2024-04-01
Older Standard (superseded by this standard) GB/T 5313-2010
Drafting Organization Wuyang Iron and Steel Co., Ltd., Metallurgical Industry Information Standards Research Institute, Nanyang Hanye Special Steel Co., Ltd., Xinyu Iron and Steel Co., Ltd., Hunan Valin Xiangtan Iron and Steel Co., Ltd., Fujian Sansteel Minguang Co., Ltd., Hebei Puyang Iron and Steel Co., Ltd.
Administrative Organization National Steel Standardization Technical Committee (SAC/TC 183)
Proposing organization China Iron and Steel Industry Association
Issuing agency(ies) State Administration for Market Regulation, National Standardization Administration

BASIC DATA
Standard ID GB/T 5313-2010 (GB/T5313-2010)
Description (Translated English) Steel plate with through-thickness characteristics
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H46
Classification of International Standard 77.140.50
Word Count Estimation 10,150
Date of Issue 2010-12-23
Date of Implementation 2011-09-01
Older Standard (superseded by this standard) GB/T 5313-1985
Quoted Standard GB/T 228.1; GB/T 17505
Drafting Organization Hebei Iron and Steel Group Wuyang Iron and Steel Co., Ltd.
Administrative Organization National Steel Standardization Technical Committee
Regulation (derived from) National Standard Approval Announcement 2010 No.10 (Total No.165)
Proposing organization China Iron and Steel Association
Issuing agency(ies) Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China; Standardization Administration of China
Summary This standard specifies the thickness direction of the performance level of steel, test methods and inspection rules. Thickness is a measure of the level of performance capability lamellar tearing resistant steel provided the thickness direction of the thickness direction of the tensile fracture performance using tests to assess the incorporation rate. This standard applies to a thickness of 15 mm-400 mm of killed steel plate.

BASIC DATA
Standard ID GB/T 5313-1985 (GB/T5313-1985)
Description (Translated English) Steel plate with through-thickness characteristics
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H46
Classification of International Standard 77.140.50
Word Count Estimation 6,645
Date of Issue 1985/8/24
Date of Implementation 1986/7/1
Regulation (derived from) Announcement of Newly Approved National Standards 2010 No. 10 (No. 165 overall)
Proposing organization Ministry of Metallurgical Industry of the People Republic of China
Issuing agency(ies) National Bureau of Standards


GB/T 5313-2023 GB NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA ICS 77.140.50 CCS H 46 Replacing GB/T 5313-2010 Steel plate with through-thickness properties ISSUED ON: SEPTEMBER 7, 2023 IMPLEMENTED ON: APRIL 1, 2024 Issued by: State Administration for Market Regulation; Standardization Administration of PRC. Table of Contents Foreword ... 3 1 Scope ... 5 2 Normative references ... 5 3 Terms and definitions ... 5 4 Grade expression method ... 5 5 Technical requirements ... 6 6 Sample and specimen preparation ... 7 7 Test methods ... 10 8 Inspection rules ... 10 Steel plate with through-thickness properties 1 Scope This document specifies the grade expression method, technical requirements, sample and specimen preparation, test methods, and inspection rules for steel plates with through-thickness properties. This document applies to killed steel plates with a thickness of 15 mm~400 mm. 2 Normative references The following documents contain the provisions which, through normative reference in this document, constitute the essential provisions of this document. For the dated referenced documents, only the versions with the indicated dates are applicable to this document; for the undated referenced documents, only the latest version (including all the amendments) is applicable to this document. GB/T 228.1 Metallic materials - Tensile testing - Part 1: Method of test at room temperature GB/T 2970 Method for ultrasonic testing of thicker steel plates GB/T 17505 Steel and steel products - General technical delivery requirements 3 Terms and definitions The following terms and definitions apply to this document. 3.1 through-thickness properties The deformation performance that is perpendicular to the surface of the steel plate and reflects the ability of the steel plate to resist lamellar tearing. NOTE: The through-thickness properties are usually evaluated by the reduction of area obtained from the tensile test in the thickness direction. 4 Grade expression method The grade of steel plate with through-thickness properties consists of the original grade of the product and the level of through-thickness properties (Z15, Z25, or Z35). 6 Sample and specimen preparation 6.1 Sampling The sample shall be cut in the middle (at 1/2 of the width) of one end along the main rolling direction (longitudinal direction) of the steel plate. For steel plates made from steel ingots, it shall be ensured that it is taken at the head end of the corresponding steel ingot. This sample shall be enough to prepare 6 specimens, 3 of which are spare. It shall be ensured that any heat-affected or work-hardened zones accompanying the machining of the final specimen are removed. 6.2 Specimen preparation According to the following steps, specimens with or without extensions shall be prepared from the sample thar is cut according to the requirements of 6.1. The axis of the specimens shall be perpendicular to the surface of the steel plate. Specimens with extensions are specified as follows: a) For 15 mm≤t≤20 mm, there shall be an extension, t is the thickness of the steel plate; b) For 20 mm< t≤80 mm, the extension is optional, t is the thickness of the steel plate; c) For 80 mm< t≤400 mm, there shall be no extensions, t is the thickness of the steel plate. If the test capability is limited, the extension can be welded at the specimen clamping section. 6.3 Specimens with extensions The preparation and type of specimens with extensions are shown in Figure 1. Before welding, all rust, oxide scale, grease, and other debris on the surface of the specimen shall be removed. Weld the extension to both surfaces of the specimen by using friction welding or other suitable methods to ensure that the heat-affected zone is minimized. The specimen diameter (d0) is as follows: a) For 15 mm≤t≤25 mm, t is the thickness of the steel plate, d0=6 mm or d0=10 mm; b) For 25 mm< t≤80 mm, t is the thickness of the steel plate, d0=10 mm. The parallel length (Lc) of the specimen shall be at least 1.5d0 and not exceed 80 mm, ......


GB/T 5313-2010 GB ICS 77.140.50 H 44 NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA Replacing GB/T 5313-1985 Steel plate with through-thickness characteristics ISSUED ON. DECEMBER 23, 2010 IMPLEMENTED ON. SEPTEMBER 01, 2011 Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of the People's Republic of China. Table of Contents Foreword ... 3  1 Scope ... 4  2 Normative references ... 4  3 Expression method of designation ... 4  4 Technical requirements ... 4  5 Coupon and sample preparation ... 5  6 Test methods ... 6  7 Inspection rules ... 7  Annex A ... 9  Annex B... 10  Bibliography ... 12  Foreword This Standard was drafted according to the rules specified in GB/T 1.1-2009. This Standard is a revision to "Steel Plate with Through-thickness Characteristics" by reference to "Steel Products with Improved Deformation Properties Perpendicular to the Surface of the Product” (EN 10164. 20) and based on the production and application of steel plate with through-thickness characteristics in China. This Standard replaces "Steel Plate with Through-thickness Characteristics" (GB/T 5313-1985); compared with GB/T 5313-1985, the main changes are as follows. - CANCEL the yield strength grade of applicable steel plate; - INCREASE the maximum thickness of steel plate from 150 mm to 400 mm; - MODIFY the requirements for the preparation and inspection of sample. The Annex A and Annex B of this Standard are normative. This Standard was proposed by China Iron & Steel Association. This Standard is under the jurisdiction of National Technical Committee on Iron and Steel of Standardization Administration of China (SAC/TC 183). Drafting organizations of this Standard. Hebei Iron & Steel Group Wuyang Iron & Steel Co., Ltd., Jiangsu Shagang Group Co., Ltd., Hunan Valin Xiangtan Iron & Steel Co., Ltd., Tianjin Iron & Steel Group Co., Ltd., Xinyu Iron & Steel Group Co., Ltd., China Metallurgical Information and Standardization Institute, Anyang Iron & Steel Inc. and Shougang Corporation. Main drafters of this Standard. Zhao Wenzhong, Zhang Huahong, Xie Liangfa, Chang Yuefeng, Li Xiaobo, Li Xiaoli, Zeng Xiaoping, Zhang Junsheng, Wang Xiaohu, Li Zilin, Shi Li, Wang Yongran and Lv Ruiguo. The previous editions of the standards replaced by this Standard are as follows. - GB/T 5313-1985. Steel plate with through-thickness characteristics 1 Scope This Standard specifies the through-thickness characteristic grades, test methods and inspection rules of steel plates. The through-thickness characteristic grade is a measurement for the lamellar-tearing resistance of steel plates, and the through-thickness characteristics may be assessed according to the reduction of area in through-thickness tensile test. This Standard is applicable to killed steel plates with a thickness of 15 mm ~ 400 mm. 2 Normative references The following documents are indispensable for the application of this document. For dated references, only the dated editions are applicable to this document. For undated references, the latest editions (including all the amendments) are applicable to this document. GB/T 228.1 Metallic Materials - Tensile Testing - Part 1. Method of Test at Room Temperature (GB/T 228.1-2010, ISO 6892-1.2009, MOD) GD/T I7505 Steel and Steel Products. General Technical Delivery Requirements 3 Expression method of designation The designation of steel plate with through-thickness characteristics which is ordered according to this Standard, is composed of the original designation of products and the required through-thickness characteristic grade. For example. Q345GJDZ25 Q345GJD - The original designation in GB/T 19879; Z25 - The required through-thickness characteristic grade in this Standard. 4 Technical requirements Samples with or without extension shall be prepared through the coupon cut according to the following steps; the axes of samples shall be vertical to the surface of steel plate. The samples with extension are specified as follows. 1) For 15 mm≤t≤20 mm, there shall be extension and t refers to the thickness of products; 2) For t>20 mm, it may select extension and t refers to the thickness of products. 5.3 Sample with extension (see Figure B.1) Before welding, all rust, scale, grease and other foreign bodies shall be removed from the sample surface. 1) Friction welding or other appropriate methods shall be adopted to minimize the heat affected zone and weld the extension to the two surfaces of samples. 2) The sample diameter d0 is as follows. For 15 mm≤t≤25 mm, t refers to the thickness of products, d0=6 mm or 10 mm; For t>25 mm, t refers to the thickness of products, d0=10 mm. 3) The parallel length LC of samples shall be greater than or equal to 1.5d0 and shall not exceed 80 mm; the heat-affected zone shall be beyond LC. 5.4 Sample without extension (see Figure B.2 and B.3) 1) The sample diameter d0 is as follows. For 20 mm≤t≤40 mm, t refers to the thickness of products, d0=6 mm or 10 mm; For 40 mm< t≤400 mm, t refers to the thickness of products, d0=10 mm. 2) The parallel length LC of samples shall be greater than or equal to 1.5d0 and shall not exceed 80 mm. 3) For products with t≤80 mm, the total length Lt of samples shall be equal to the full thickness t of products. 5.5 For products with 80 mm< t≤400 mm, the total length Lt of samples shall ensure LC covers 1/4 of the product thickness. 6 Test methods The through-thickness tensile test shall be carried out in accordance with GB/T 228.1 1) The average value of 6 samples shall be greater than or equal to the specified minimum average value. 2) Among the 6 samples, the single values of two samples at most are allowed to be less than the specified minimum average value. 3) Among the 6 samples, the single value of one sample at most is allowed to be less than the specified minimum value of individual sample. If it fails to meet the above conditions, the products represented by the coupon will be rejected. 7.3 Re-inspection 7.3.1 Where Z15 steel plate is inspected by batch, the re-inspection shall meet the requirements of sequential test in GB/T 7505. 7.3.2 As for unqualified steel plate in re-inspection, the supplier may carry out another test after heat treatment or re-heat treatment so as to judge whether it is qualified or not. 7.4 Retest In case of inappropriate processing or poor welding, the relevant samples shall be abandoned. If the sample rupture is located at weld, heat-affected zone or extension, the samples shall be invalid. On this occasion, samples may be cut from the same coupon for retest. Annex A (Normative) Supplementary Requirements The following supplementary requirements can only be adopted where both supplier and purchaser agree and such requirements are noted in the contract. A.1 The requirements of tensile strength during through-thickness test. A.2 The requirements of other sampling positions. ......

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