GB/T 32976-2016 English PDF

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GB/T 32976-2016: Metallic materials -- Tubes -- Transverse bending test
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 32976-2016	359	Add to Cart	3 days	Metallic materials -- Tubes -- Transverse bending test	Valid

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Basic data

Standard ID: GB/T 32976-2016 (GB/T32976-2016)
Description (Translated English): Metallic materials -- Tubes -- Transverse bending test
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H23
Classification of International Standard: 77.040.10
Word Count Estimation: 18,190
Date of Issue: 2016-08-29
Date of Implementation: 2017-07-01
Regulation (derived from): National Standard Announcement 2016 No.14
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

GB/T 32976-2016: Metallic materials -- Tubes -- Transverse bending test

---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.
Metallic materials - Tubes - Transverse bending test ICS 77.040.10 H23 National Standards of People's Republic of China Standard Test Method for Transverse Bending of Metallic Materials 2016-08-29 released 2017-07-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released Directory Preface I Introduction II 1 Scope 1 2 normative reference document 1 3 Terms and definitions 1 4 symbols and instructions 2 5 Principle 2 6 test equipment 2 7 Sample 2 8 sample cutting and sample preparation 7 9 Test requirements and step 8 10 results assessment 12 11 Test Report 12 Appendix A (informative) Metal pipe transverse bending test instead of flattening test arc specimen bending head diameter selection 13 Appendix B (informative) Metallic tube transverse curved specimen flattened back bend test 14 Reference 15

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by China Iron and Steel Industry Association. This standard is under the jurisdiction of the National Steel Standardization Technical Committee (SAC/TC183). The drafting of this standard. Jiangsu Shanghai-Nanjing Steel Co., Ltd., Wuhan Iron and Steel (Group) Company, Shanghai Hudong China Shipbuilding (Group) Ltd., Jiangsu Steel Building Metal Products Testing Co., Ltd., Shanghai Moonlight Steel Pipe Manufacturing Co., Ltd. The main drafters of this standard. Gao Jiyuan, Zhu Tianqiang, Chen Chunlin, Li Rongfeng, Shi Koyang, Ma Qiang, Yin Yue Chao, Li Shui-ming

Introduction

With the rapid development of metallurgy, shipbuilding, aviation, petroleum, marine engineering, pressure vessel and construction steel structure, the domestic large-scale seamless Steel pipe, straight seam welded steel pipe and other non-ferrous metal pipe applications are increasingly common, metal pipe diameter is getting bigger (D > 1m), the wall is getting thicker (T > 40mm), through the flattening test to assess the performance of metal pipe process more difficult, especially by the test equipment and other equipment and other aspects of the limit system. The use of metal pipe transverse bending test method to assess the seamless pipe and welded pipe flattening process performance for the design and application of large diameter thick-walled tube And engineering inspection provides the basis. The transverse bending test of the metal pipe can be used instead of the flattening test. The transverse bending test of the metal pipe includes the arc sample and the rectangular specimen. The quasi is both a supplement to GB/T 246 and an extension of the GB/T 232 application. Standard Test Method for Transverse Bending of Metallic Materials

1 Scope

This standard specifies the terminology and definition of the transverse bending test of metal tube, symbol and description, principle, test equipment, specimen, And sample preparation, test requirements and procedures, results assessment and test report. This standard applies to the outer diameter of not less than 60mm of the metal pipe (metal pipe, including seamless pipe and straight seam welded pipe) transverse arc sample And the outer diameter of not less than 400mm of the metal tube transverse rectangular specimen bending test. Other tubes can refer to execution.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. GB/T 232 bending test method for metallic materials Test method for flattening of metal pipes GB/T 246 GB/T 2653 welded joint bending test method GB/T 2975 steel and steel products mechanical properties test sampling location and sample preparation

3 terms and definitions

The following terms and definitions apply to this document. 3.1 Metal pipe metaltube Section of the metal pipe for the ring. 3.2 Horizontal arc sample arcspecimenintransverse A circular arc cut along the metal tube is machined to keep the arc specimens of the original metal tube. 3.3 Transverse rectangular specimen rectangularspecimenintransverse A rectangular specimen made by cutting a circular arc along the metal tube. 3.4 Is bending facebend For transverse arc specimens, the outer surface of the seamless tube is stretched by the tensile or straight seam welded to the outer surface of the weld. For transverse transverse specimens, the outer surface of the seamless tube is stretched or stretched near the outer surface of the weld seam near the seam. 3.5 Reverse bend rootbend On the transverse arc specimen, the inner surface of the seamless tube is stretched by the inner surface of the weld or straight seam welded pipe. On the transverse rectangular specimen, the inner surface of the seamless tube is stretched or stretched near the inner surface of the weld seam near the seam. 3.6 Side bend sidebend Horizontal Rectangular Specimen The Rivet is a Curved Cross Section of the Longitudinal Welded Pipe. ......

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