GB/T 14693-2008 English PDF

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GB/T 14693-2008: Non-destructive testing -- Symbolic representation on drawings
Status: Valid

GB/T 14693: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 14693-2008	259	Add to Cart	3 days	Non-destructive testing -- Symbolic representation on drawings	Valid
GB/T 14693-1993	359	Add to Cart	3 days	Nondestructive testing symbols for welds	Obsolete

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Basic data

Standard ID: GB/T 14693-2008 (GB/T14693-2008)
Description (Translated English): Non-destructive testing -- Symbolic representation on drawings
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J04
Classification of International Standard: 19.100
Word Count Estimation: 11,183
Date of Issue: 2008-02-28
Date of Implementation: 2008-07-01
Older Standard (superseded by this standard): GB/T 14693-1993
Quoted Standard: GB/T 324; GB/T 3100 ~ 3102; GB/T 4457.2; GB/T 4458.4; GB/T 5616; GB/T 7027; GB/T 12212; GB/T 12604; GB/T 13361; GB/T 16675.2; GB/T 20737
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 information with balloons NDT methods. And provide detailed information and examples for the constitution and notes of these symbols. The symbol system used to label the non-destructive testing method used, frequency, regional and technical conditions cited, norms or standards. This standard applies to technical drawings and related technical documents. When the subject is the reference work may be used to mark.

GB/T 14693-2008: Non-destructive testing -- Symbolic representation on drawings

---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.
Non-destructive testing. Symbolic representation on drawings ICS 19.100 J04 National Standards of People's Republic of China Replacing GB/T 14693-1993 NDT notation Posted 2008-02-28 2008-07-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard replaces GB/T 14693-1993 "NDT weld symbol." This standard and GB/T 14693-1993 compared to the main changes are as follows. --- Modify the standard name; --- To modify and extend the scope (see Chapter 1); --- Amendments and additions to the normative references (see Chapter 2); --- Increased terms and definitions (see Chapter 3); --- Modifications and adjustments NDT Symbol elements (1993 Edition Chapter 3, Chapter 4 of this edition); --- Adjust the general rules (1993 version 4.1 and 4.2, Chapter 5 of this edition); --- Adjust the auxiliary symbol (1993 version 4.3, Chapter 6 of this edition); --- Adjust the technical requirements, specifications and reference standards (1993 version 4.4, this version of Chapter 7); --- Adjust the area, the position and orientation of non-destructive testing (the 1993 version of the 4.5, 4.6 and 4.7, Chapter 8 of this edition). The standard proposed by China Machinery Industry Federation. The standard non-destructive testing by the National Standardization Technical Committee (SAC/TC56) centralized. This standard was drafted. Beijing Wei Taikai letter New Technology Co., Capital Normal University, Shanghai Institute of Materials. The main drafters of this standard. Jinwan Ping, Wang Xun, XU Yi Guang, Jin Yufei. This standard replaces the standards previously issued as follows. --- GB/T 14693-1993. NDT notation

1 Scope

This standard specifies the information by a symbol of non-destructive testing methods, and provide detailed information on the composition and these symbols and annotations Examples. The symbology for labeling method used in non-destructive testing, frequency, regional and technical conditions references, specifications or standards. This standard applies to technical drawings and related technical documentation. When the subject of the workpiece can also refer to the use of mark.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 324 Weld notation GB 3100 ~ 3102 Quantities and Units GB/T 4457.2 basic provisions of technical drawings - guidelines and guide lines of GB/T 4458.4 Mechanical drawings - Dimensioning GB/T 5616 NDT Applications Guide GB/T 7027 the basic principles and methods of information classification and coding GB/T 12212 Technical drawings weld symbol size, proportions and simplified representation GB/T 12604 (all parts) Terminology for nondestructive testing GB/T 13361 Technical Drawing generic term GB/T 16675.2 Technical drawings - Simplified representation - Part 2. Dimensioning GB/T 20737 Non-destructive testing - General terms and definitions (GB/T 20737-2006, ISO /T S18173.2005, IDT)

3 Terms and Definitions

GB/T 12604, the terms and definitions GB/T 13361 and GB/T 20737 apply to this standard established.

4 NDT Symbol elements

4.1 Overview NDT symbol consists of the following elements. a) the baseline; b) an arrow; c) detection method letter identification code; d) detection range and number of sampling; e) auxiliary symbol; Tail f) baseline (technical conditions, specifications or standards). NDT symbol pattern painting shall conform to GB/T 4457.2, the dimensions should be consistent with GB/T 4458.4 and GB/T 16675.2 requirements. NDT area, location, direction and angle of the label shall comply with the relevant provisions of GB 3100 to 3102, using the International System of Units. Letter identification code 4.2 NDT method NDT method letter identification code shown in Table 1. ......

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