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DEFSTAN 02-772/1(2007) : 2007

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

WELDING AND FABRICATION OF PIPEWORK, MACHINERY AND ENGINEERING COMPONENTS FOR HM SUBMARINES AND SURFACE SHIPS NOT IN CLASS

Available format(s)

Hardcopy , PDF

Superseded date

23-02-2023

Language(s)

English

Published date

01-01-2007

1 Scope
2 Warning
3 Normative References
4 Definitions
5 Quality
6 General
7 Materials
8 Preparation of Work to be Welded
9 Cleanliness
10 Thermal Treatment
11 Equipment And Facilities
12 Welding Requirements
   12.1 General
   12.2 Equipment
   12.3 Preparation of Base Material
   12.4 Assembly Alignment
   12.5 Control of Distortion
   12.6 Root Pass Welding
   12.7 Purging
   12.8 Welding Practice
   12.9 Heat Treatment
   12.10 Defect Removal
   12.11 Repair Welding
   12.12 Identification and Marking
   12.13 Test Pieces for Pressure Vessels
   12.14 Cladding
13 Qualification
   13.1 General
   13.2 Qualification of Welding Equipment
   13.3 Qualification of Welders
   13.4 Qualification of Welding Procedures
   13.5 Restricted Access
   13.6 Sleeve and Socket Welds
   13.7 Mechanised/Semi-Automatic and Automatic Welds
   13.8 Documentation/Records
   13.9 Supplementary Requirements
14 Inspection Requirements
   14.1 Scope
   14.2 General
   14.3 Interstage Inspection
   14.4 Visual Inspection
   14.5 Liquid Penetrant or Magnetic Particle Inspection
   14.6 Radiographic Inspection
   14.7 Ultrasonic Inspection
   14.8 Leak Test Examination
   14.9 Cladding
15 Acceptable Welded Joint Designs
   15.1 Scope
   15.2 General Requirements
   15.3 Holes In Welded Structures
   15.4 Branch Welds
   15.5 Sleeve and Socket Joints
   15.6 Bulkhead Penetration Passing Pipes and Seal End
         Connectors
   15.7 Pipe Flanges
   15.8 Design Limitations
   15.9 Proximity of Welds
   15.10 Welding on Bends
16 Pipe Sleeve and Socket Welds
   16.1 General
   16.2 Acceptable welded joint designs
   16.3 Qualification Requirements
   16.4 Weld Procedure Test Assemblies
   16.5 Welder Qualification Test Assemblies
   16.6 Examination of Sleeve and Socket Welded Joints
   16.7 Retests
   16.8 Requalification of Welders
17 Corporate Experience and Knowledge
   17.1 Relaxation of Sleeve & socket Weld Radiography
         Requirement
Annex A
Annex B

Specifies the minimum requirements for the welding and fabrication of pipework, machinery and engineering components for HM Submarines and Surface Ships not in Class approved by the Design Authority.

DocumentType
Standard
Pages
64
PublisherName
UK Ministry of Defence Standards
Status
Superseded
SupersededBy

DEFSTAN 02-317(PT4)/2(2012) : 2012 REQUIREMENTS FOR NON-TRANSPORTABLE HIGH PRESSURE GAS CYLINDERS - PART 4: INSTALLATION IN HM SURFACE SHIPS AND SUBMARINES
DEFSTAN 08-107/3(2013) : 2013 GENERAL REQUIREMENTS FOR THE DESIGN OF ELECTROTECHNICAL AND NAVAL WEAPON EQUIPMENT
DEFSTAN 02-855/2(2010) : 2010 ELECTRON BEAM WELDING OF MARINE COMPONENTS
DEFSTAN 02-320/3(2009) : 2009 REQUIREMENTS FOR THE DESIGN AND INSTALLATION OF FUEL SYSTEMS FOR GAS TURBINE ENGINES AND DIESEL ENGINES IN HM SURFACE SHIPS AND SUBMARINES
DEFSTAN 02-773/3(2013) : 2013 MINIMUM NON-DESTRUCTIVE EXAMINATION ACCEPTANCE STANDARDS FOR WELDS IN HM SUBMARINES AND SURFACE SHIPS NOT IN CLASS
DEFSTAN 02-875/1(2010) : 2010 WELD OVERLAY CLADDING AND HARDFACING FOR NAVAL APPLICATIONS
DEFSTAN 02-329/4(2015) : 2015 REQUIREMENTS FOR HEAT EXCHANGERS FOR HM SURFACE SHIPS AND SUBMARINES
DEFSTAN 02-878/1(2011) : 2011 NON-FERROUS TUBES AND PIPES FOR USE IN HM SUBMARINES AND SURFACE SHIPS NOT IN CLASS
DEFSTAN 02-320/4(2015) : 2015 REQUIREMENTS FOR THE DESIGN AND INSTALLATION OF FUEL SYSTEMS FOR GAS TURBINE ENGINES AND DIESEL ENGINES IN HM SURFACE SHIPS AND SUBMARINES
DEFSTAN 02-305/3(2010) : 2010 REQUIREMENTS FOR GEARING - MAIN PROPULSION
DEFSTAN 02-728/3(2010) : 2010 REQUIREMENTS FOR DOMESTIC HOT AND COLD FRESH WATER SYSTEMS
DEFSTAN 02-706/3(2020):2020 Welding & Fabrication of Ship Structure for HM Submarines and Ships not in Class
DEFSTAN 02-304(PT2)/3(2015) : 2015 SHAFTING SYSTEMS & PROPULSORS - PART 2: DESIGN REQUIREMENTS FOR MAIN PROPULSION SHAFTING AUXILIARIES

BS EN ISO 15609-1:2004 Specification and qualification of welding procedures for metallic materials. Welding procedure specification Arc welding
BS EN ISO 15614-4:2005 Specification and qualification of welding procedures for metallic materials. Welding procedure test Finishing welding of aluminium castings
BS EN ISO 15609-2:2001 Specification and qualification of welding procedures for metallic materials. Welding procedure specification Gas welding
ASME B31.1 : 2016 POWER PIPING
BS EN 287-1:2011 Qualification test of welders. Fusion welding Steels
BS EN ISO 9001:2015 Quality management systems. Requirements
ASME PV CODE 9 : 2017 BOILER AND PRESSURE VESSEL CODE - WELDING, BRAZING, AND FUSING QUALIFICATIONS - QUALIFICATION STANDARD FOR WELDING, BRAZING, AND FUSING PROCEDURES; WELDERS; BRAZERS; AND WELDING, BRAZING, AND FUSING OPERATORS
BS EN 22553:1995 Welded, brazed and soldered joints. Symbolic representation on drawings
BS EN ISO 3834-2:2005 Quality requirements for fusion welding of metallic materials Comprehensive quality requirements
DEFSTAN 02-341(PT1)/1(2000) : 2000 REQUIREMENTS FOR CLEANING OF ITEMS, COMPONENTS AND EQUIPMENT FOR FLUID SYSTEMS - PART 1: CLEANING CATEGORY 2
ASME B31.3:2016 PROCESS PIPING
BS EN ISO 15607:2003 Specification and qualification of welding procedures for metallic materials. General rules
DEFSTAN 02-706/1(2000) : 2000 WELDING AND FABRICATION OF SHIP'S STRUCTURE
BS EN 13480-3:2017 Metallic industrial piping Design and calculation
BS EN ISO 9606-4:1999 Approval testing of welders. Fusion welding Nickel and nickel alloys
DEFSTAN 02-773/2(2006) : 2006 MINIMUM NON-DESTRUCTIVE EXAMINATION ACCEPTANCE STANDARDS FOR WELDS IN HM SUBMARINES AND SURFACE SHIPS NOT IN CLASS
BS EN ISO 15614-5:2004 Specification and qualification of welding procedures for metallic materials. Welding procedure test Arc welding of titanium, zirconium and their alloys
BS EN ISO 15614-1:2017 Specification and qualification of welding procedures for metallic materials. Welding procedure test Arc and gas welding of steels and arc welding of nickel and nickel alloys
BS 499-1:1991 Welding terms and symbols Glossary for welding, brazing and thermal cutting
BS 7570:2000 Code of practice for validation of arc welding equipment
BS EN ISO 9606-2:2004 Qualification test of welders. Fusion welding Aluminium and aluminium alloys
BS EN ISO 9606-5:2000 Approval testing of welders. Fusion welding Titanium and titanium alloys, zirconium and zirconium alloys
BS EN ISO 15614-6:2006 Specification and qualification of welding procedures for metallic materials. Welding procedure test Arc and gas welding of copper and its alloys
BS EN ISO 9606-3:1999 Approval testing of welders. Fusion welding Copper and copper alloys
BS EN ISO 15614-2:2005 Specification and qualification of welding procedures for metallic materials. Welding procedure test Arc welding of aluminium and its alloys

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