DEFSTAN 02-772/1(2007) : 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.