DEFSTAN 02-824(PT1)/2(2005) : 2005

Foreword
1 Scope
2 Warning
3 Formative References
4 Definitions
   4.1 Approval Authority
   4.2 Approved Scrap
   4.3 Cast
   4.4 Classification of Castings
   4.5 Contractor
   4.6 Design Authority
   4.7 Ingots
   4.8 Interpass Temperature
   4.9 Pinpoint Porosity
   4.10 Sea Water Wetted Castings Materials Register
   4.11 Through Life Records Contractor
5 Abbreviations
6 Ingot And Casting Production
   6.1 Guide to Production
   6.2 Ingots
   6.3 Castings
7 Heat Treatment Of Castings
8 Mechanical Property Requirements
9 Non-Destructive Examination Of Castings
   9.1 Examination Procedure
   9.2 Dimensional Check
   9.3 Visual-Optical
   9.4 Liquid Penetrant
   9.5 Eddy Current
   9.6 Radiography
   9.7 Evaluation of defects and indications from NDE
   9.8 Pressure Tests
10 Rectification Of Defects In Castings
   10.1 General Guidance
   10.2 Rectification of Surface Defects by Blending
   10.3 Weld repairs on castings
   10.4 Rectification of Dimensional Defects by Weld Deposition
   10.5 Rectification of Surface and Sub-Surface Defects by
        Welding
   10.6 Limits on Combined Weld Repairs
   10.7 After Welding
   10.8 Authority To Proceed With Weld Repair
11 Non-Destructive Examination of Weld Repairs
   11.1 Visual-Optical
   11.2 Liquid Penetrant
   11.3 Radiography
   11.4 Dimensional Checks
12 General Welding Requirements
   12.1 Introduction
   12.2 Preparation
   12.3 Welding
   12.4 Post Welding
13 Welding Wire
   13.1 Chemistry
   13.2 Dimensions and Tolerances
   13.3 Condition of Materials
   13.4 Test Methods and Acceptance Standards
        13.4.1 Analysis
        13.4.2 Free Coil and Helix Test (Spooled Wire Only)
   13.5 Welding Test
   13.6 Non-Destructive Test
14 Weld Procedure Qualification
15 Welder Qualification
16 Identification Markings
   16.1 Identification of Ingots
   16.2 Identification of Castings
17 Quality Assurance Documentation
   17.1 Ingots
   17.2 Castings
   17.3 Castings requiring qualification
   17.4 Welding wire
   17.5 Welding
18 Packaging
   18.1 Packaging of ingots and castings
   18.2 Packaging of welding wire
19 Qualification
   19.1 General
   19.2 MOD Requirement for Qualification
   19.3 Contractors Requirements for Qualification
   19.4 The Qualification Process
        19.4.1 General
        19.4.2 Thickness Examination
        19.4.3 Documentation
        19.4.4 Stamping of Castings
        19.4.5 Records
20 Historical Perspective
   20.1 The Copper Nickel Chromium Alloy
   20.2 Welding of CuNiCr alloy
   20.3 Properties and performance
21 Mod Sea Technology Group Policy Guidance
   21.1 Introduction
   21.2 Benefits of Copper Nickel Chromium
   21.3 STGMT Guidance on the Use of CuNiCr
22 Technical
Annex A - ECTP 5 - Non-Destructive Test Procedure For The
                   Eddy Current Inspection Of Copper Nickel
                   Chromium For Surface Discontinuities
   A.1 Scope
   A.2 Reference Documents
   A.3 Personnel Requirements
   A.4 Area Of Examination
   A.5 Surface Preparation
   A.6 Equipment
   A.7 Calibration Procedure
   A.8 Examination Procedure
   A.9 Reporting Of Defects
   A.10 Rework & Re-Inspection
Annex B - ECTP 7 - Non-Destructive Test Procedure For The
                   Eddy Current Inspection Of Copper Nickel
                   Chromium For Sub-Surface Inspection To
                   Depths Of 10 mm
   B.1 Scope
   B.2 Reference Documents
   B.3 Personnel Requirements
   B.4 Area Of Examination
   B.5 Surface Preparation
   B.6 Equipment
   B.7 Calibration Procedure
   B.8 Examination Procedure
   B.9 Reporting Of Defects
   B.10 Rework & Re-Inspection
Annex C - Procurement Checklist
Annex D - Check List For Documents To Be Included In Qa Pack
          For Qualified Castings
Annex E - Qualification Certificate For CuNiCr Castings

Provides requirements for the manufacture, inspection and testing of sand castings and ingots in Copper Nickel Chromium (CNC or CuNiCr) alloy. It also specifies the procedure and requirements for the joining or reclamation by welding of this material.