QHH 10413-2014结构件拼接规范 宏华自译_英文_

Q/HH Q/HH 10413—2014

Enterprise standard of Sichuan Honghua Petroleum Equipment Co., Ltd

Specification for Splicing of Structural Component

Issued on 2014 - 06- 25 Implement on 2014-07-25

Sichuan Honghua Petroleum Equipment Co., Ltd Q/HH 10413—2014

Contents

1. Scope ......................................................................................................................................... 1 2. Criteria for quotations and references ....................................................................................... 1 3. Abbreviation .............................................................................................................................. 1 4. General requirements ................................................................................................................ 2 4.1 General .................................................................................................................................... 2 4.2 Joint requirements ................................................................................................................... 2 4.3 Limiting condition ................................................................................................................... 2 5. Preparation for splicing ............................................................................................................. 3 5.1 Material inspection .................................................................................................................. 3 5.2 Correction ................................................................................................................................ 3 5.3 Clean ........................................................................................................................................ 3 5.4 End tab and run off tab ............................................................................................................ 3 5.5 Positioned welding .................................................................................................................. 4 5.6 Splicing environment .............................................................................................................. 4 5.7 Temperature of parent metal .................................................................................................... 5 5.8 Preheating scope ...................................................................................................................... 5 5.9 Preheating of conventional materials ...................................................................................... 5 6. Splicing requirements ................................................................................................................ 5 6.1 Splicing of plates ..................................................................................................................... 5 6.2 Splicing of sectional material .................................................................................................. 7 7. Types and requirements of joints ............................................................................................... 9 7.1. Groove types .......................................................................................................................... 9 7.2. Alignment of joints ............................................................................................................... 12 7.3. Backings ............................................................................................................................... 13 8. Inspections of splice welds ...................................................................................................... 13 8.1. Inspections of pre-welding, welding procedures and completions ...................................... 13

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Q/HH 10413—2014

8.2. Nondestructive testing .......................................................................................................... 14 8.3. Classifications and inspection requirements of welds .......................................................... 14 9. Repair of welds ........................................................................................................................ 15 9.1. Definitions of repair welding and repair .............................................................................. 15 9.2. Repair of welds ..................................................................................................................... 15 Appendix A (Normative appendix) Splice positions of common parts ...................................... 17 References ................................................................................................................................... 22

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Q/HH 10413—2014

Foreword

This specification is drafted as per GB/T 1.1-2009 Directives for standardization—Part 1: Rules for the structure and drafting of standards.

This specification is put forward by Technology Research Institute, Sichuan Honghua Petroleum Equipment Co., Ltd.

This specification centrally is managed by Science and Technology Management Department.

Drafting committee of this specification: Technology Research Institute, Sichuan Honghua Petroleum Equipment Co., Ltd.

Main drafters: Zhou Jun, Wen Renqiang, Yang Qingsong, Lin Wenbin and Yang Changqing.

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Q/HH 10413—2014

Specification for splicing of structural component

1. Scope

Technical requirements and splicing rules of all plates and sectional materials of steel structural parts except pressure vessel, tank body and high pressure manifold are stipulated in this specification.

This specification is appropriate for steel structural parts which are welded by shielded metal arc welding, gas shielded welding, argon tungsten-arc welding, flux cored arc welding and union melt welding. 2. Normative reference

Following documents are essential to application of the specification. For dated reference document , the dated version only is suitable for the specification. For undated reference document, The latest version (incl. all modification lists) fits this specification.

Q/HH 10404-2011 General process specification for structural component welding Q/HH 10409 General process specification for distortion correction Q/HH 10704 Code for welding and inspection of steel Structures Q/HH 10705 General specification for acceptance of NDT 3. Abbreviation

Following abbreviations are suitable for this specification. SMAW — shielded metal arc welding GMAW — gas metal arc welding FCAW —flux cored arc welding

FCAW-G — flux cored arc welding--gas shield FCAW-S — flux cored arc welding--self-shield

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