DEFSTAN 02-872(PT4)/1(2002) : 2002
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
PROCEDURES FOR FIRST LEVEL NICKEL ALUMINIUM BRONZE CASTINGS - PART 4: INSPECTIONS OUTSIDE OF LONG OVERHAUL PERIODS
25-11-2011
12-01-2013
TITLE PAGE
SCOPE
FOREWORD
Sponsorship
Conditions of Release
Categories of Naval Defence Standard
Related Documents
Health and Safety
CONTENTS
SECTION 1 - GENERAL REQUIREMENTS
1.1 NABWETLIFE Code
1.2 Selection of Castings for Inspection
1.3 Identification
1.4 Pre-requisites
SECTION 2 - CLEANING OF CASTINGS
2.1 General
2.2 Shore Based Cleaning and General Etching
2.2.1 Cleaning Method 1
2.2.2 Cleaning Method 2
2.2.3 General Etching Method
2.3 In Situ Cleaning
2.3.1 In Situ Cleaning Method
SECTION 3 - SHORE BASED EXAMINATION FOR CORROSION
3.1 General
3.2 Visual Examination
3.3 Thickness Check
3.4 Detection of Corrosion
3.4.1 Detailed Etching Method
3.4.2 Ultrasonic Corrosion Detection
3.5 Removal of Corrosion
3.6 Post Dressing Thickness Gauging
3.7 Recording of Examination Results
3.8 Corrosion Limits
SECTION 4 - INSPECTION ACCEPTANCE CRITERIA
4.1 Cleaning
4.2 Removal of Corrosion
4.3 Wall Thickness
4.4 Re-installation
4.5 Re-Stamping
4.6 Certification
4.7 Records
SECTION 5 - IN SITU EXAMINATIONS
5.1 In Situ Cleaning
5.2 Ultrasonic Thickness Checks
5.3 In Situ Etching Method
5.4 Ultrasonic Corrosion Measurements
5.5 Records
5.6 Acceptance Criteria
ANNEX A - RELATED DOCUMENTS
ANNEX B - DEFINITIONS AND ABBREVIATIONS
ANNEX C - PROCUREMENT CHECK LIST
ANNEX D - CASTING RECORD OF REVALIDATION INSPECTION
ANNEX E - REVALIDATION CERTIFICATE FOR NAB CASTINGS
ANNEX F - CHECK LIST FOR DOCUMENTS TO BE INCLUDED
IN THE QA PACK FOR REVALIDATED CASTINGS
ALPHABETICAL INDEX
Defines in-service inspections carried out outside of the Long Overhaul Period. This process is used to gauge the overall health of all Nickel Aluminium Bronze (NAB) contained in the NAB Register of a submarine by detailed examination of a sample of NAB castings.
| DocumentType |
Standard
|
| PublisherName |
UK Ministry of Defence Standards
|
| Status |
Superseded
|
| SupersededBy |
| DEFSTAN 02-872(PT3)/1(2002) : 2002 | PROCEDURES FOR FIRST LEVEL NICKEL ALUMINIUM BRONZE CASTINGS - PART 3: REVALIDATION |
| DEFSTAN 02-872(PT2)/1(2002) : 2002 | PROCEDURES FOR FIRST LEVEL NICKEL ALUMINIUM BRONZE CASTINGS - PART 2: VALIDATION |
| DEFSTAN 02-872(PT1)/1(2002) : 2002 | PROCEDURES FOR FIRST LEVEL NICKEL ALUMINIUM BRONZE CASTINGS - PART 1: POLICY |
| DEFSTAN 02-747(PT4)/1(2000) : 2000 | REQUIREMENTS FOR NICKEL ALUMINIUM BRONZE CASTINGS AND INGOTS - PART 4: NICKEL ALUMINIUM BRONZE NAVAL ALLOY WELDING RESTRICTED TO THE NON-WETTED SURFACE (CLASS 1 AND 2 CASTINGS ONLY) |
| DEFSTAN 02-824(PT1)/1(2000) : 2000 | COPPER NICKEL CHROMIUM SAND CASTING AND INGOTS - PART 1: PRODUCTION REQUIREMENTS |
| DEFSTAN 02-872(PT1)/1(2002) : 2002 | PROCEDURES FOR FIRST LEVEL NICKEL ALUMINIUM BRONZE CASTINGS - PART 1: POLICY |
| DEFSTAN 02-824(PT2)/1(2000) : 2000 | COPPER NICKEL CHROMIUM SAND CASTING AND INGOTS - PART 2: GUIDE TO PRODUCTION METHODS |
| DEFSTAN 02-872(PT3)/1(2002) : 2002 | PROCEDURES FOR FIRST LEVEL NICKEL ALUMINIUM BRONZE CASTINGS - PART 3: REVALIDATION |
| DEFSTAN 02-747(PT1)/1(2000) : 2000 | REQUIREMENTS FOR NICKEL ALUMINIUM BRONZE CASTINGS AND INGOTS - PART 1: NICKEL ALUMINIUM BRONZE NAVAL ALLOY CENTRIFUGALLY CAST |
| DEFSTAN 68-188/2(2001) : 2001 | EMULSIFIER FOR SOLVENT CLEANER |
| DEFSTAN 02-747(PT2)/1(2000) : 2000 | REQUIREMENTS FOR NICKEL ALUMINIUM BRONZE CASTINGS AND INGOTS - PART 2: NICKEL ALUMINIUM BRONZE NAVAL ALLOY INGOTS AND SAND CASTINGS WITH WELDING PERMITTED TO THE WETTED SURFACE |
| DEFSTAN 02-872(PT2)/1(2002) : 2002 | PROCEDURES FOR FIRST LEVEL NICKEL ALUMINIUM BRONZE CASTINGS - PART 2: VALIDATION |
| DEFSTAN 80-20/3(1994) : 1994 | CLEANING COMPOUND, SOLVENT, COLD BATH TYPE, FOR METAL (CRESYLIC ACID/DICHLOROMETHANE) |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.