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GB/T 26303.1-2010 English PDF

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GB/T 26303.1-2010: Measuring method for dimensions and shapes of wrought copper and copper alloy -- Part 1: Tube
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GB/T 26303.1-2010English489 Add to Cart 4 days [Need to translate] Measuring method for dimensions and shapes of wrought copper and copper alloy -- Part 1: Tube Valid GB/T 26303.1-2010

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Basic data

Standard ID GB/T 26303.1-2010 (GB/T26303.1-2010)
Description (Translated English) Measuring method for dimensions and shapes of wrought copper and copper alloy -- Part 1: Tube
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H13
Classification of International Standard 77.040.99
Word Count Estimation 21,285
Date of Issue 2011-01-14
Date of Implementation 2011-11-01
Regulation (derived from) National Standard Approval Announcement 2011 No.75
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
Summary This standard specifies the copper and copper alloy tube dimensions measuring instruments and gauges, sample preparation, measuring environmental conditions and test methods, test reports. This section applies to copper and copper alloy tube dimensions detection.

GB/T 26303.1-2010: Measuring method for dimensions and shapes of wrought copper and copper alloy -- Part 1: Tube


---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.
Measuring method for dimensions and shapes of wrought copper and copper alloy Part 1. Tube ICS 77.040.99 H13 National Standards of People's Republic of China Copper and copper alloy processing material Dimensions detection method Part 1. Pipes copperaloy-Part 1. Tube Issued on. 2011-01-14 2011-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 26303 "processing of copper and copper alloy sheet Dimensions detection method" consists of three parts. --- GB/T 26303.1 copper and copper alloy processing material Dimensions detection methods - Part 1. Pipes; --- GB/T 26303.2 copper and copper alloy processing material Dimensions detection methods - Part 2. rods, wire, profiles; --- GB/T 26303.3 copper and copper alloy processing material Dimensions detection methods - Part 3. plate and strip. This is Part 1. This part is proposed by the China Nonferrous Metals Industry Association. The non-ferrous metal part by the National Standardization Technical Committee. This in part by the Zhejiang Hailiang Co., Ltd. is responsible for drafting. This part of the metallurgical products quality inspection stations in Zhejiang, Shanghai Industrial Co., Ltd. to participate in the drafting of the flywheel. The main drafters of this section. Cao Jianguo, Wei Lian Yun, bore water dragon, Guo Li, Zhao Xuelong, Dida Jiang, Ni Qiguo, Dong Zhaohui, Yang Zhang Hui, Huang Lu thick, Huang Dengke, Liu. Copper and copper alloy processing material Dimensions detection method Part 1. Pipes

1 Scope

This section GB/T 26303 specifies the copper and copper alloy tube dimensions measuring instruments and measuring tools, sample preparation, determination of environmental conditions Parts and detection methods, test reports. This section applies to copper and copper alloy tube dimensions testing.

2 Terms and definitions

The following terms and definitions apply to this section. 2.1 Wall thickness walthickness Same cross-section, the outer edge of the pipe took the normal distance from one point to the inner edge. 2.2 An outer diameter outsidediamter Same cross-section through the pipe center distance between the two outer edges. 2.3 The inner diameter insidediamter One cross-section through the pipe center distance between the two inner edge. 2.4 Mean outside diameter averageoutsidediamter Mean a cross-section of any of the maximum outside diameter and minimum diameter. 2.5 Average inner diameter averageinsidediamter A cross-section of any of the maximum and minimum internal diameter of the inner diameter of the average. 2.6 Average thickness averagewalthickness Any maximum wall thickness and a minimum of the average cross-section. 2.7 Roundness roundness Either circular pipe cross section of the difference between the maximum and minimum outside diameter. 2.8 Straightness straightness Straight pipe at a predetermined maximum distance from the centerline of the pipe off-axis length. 2.9 Length lengths The distance between the other end of the straight pipe from one end of the pipe, along a direction parallel to the axis. 2.10 Twisting degree twist Shaped pipe within a certain length of two cross-section relative torsional angle (or the maximum vertical distance).

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