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DEFSTAN
DEFSTAN 02-872(PT3)/1(2002) : 2002

DEFSTAN 02-872(PT3)/1(2002) : 2002

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

PROCEDURES FOR FIRST LEVEL NICKEL ALUMINIUM BRONZE CASTINGS - PART 3: REVALIDATION

Superseded date

25-11-2011

Published date

12-01-2013

Publisher

UK Ministry of Defence Standards

TITLE PAGE
SCOPE
FOREWORD
Sponsorship
Conditions of Release
Categories of Defence Standard
Related Documents
Health and Safety
CONTENTS
SECTION 1 - GENERAL REQUIREMENTS
            1.1 Selection of Castings for Revalidation
            1.2 Identification
            1.3 Pre-requisites for Revalidation
SECTION 2 - CLEANING OF CASTINGS
            2.1 General
            2.2 Opening Up Inspection
            2.3 Cleaning & General Etching
                2.3.1 Cleaning Method 1
                2.3.2 Cleaning Method 2
                2.3.3 General Etching Method
SECTION 3 - ETCHING AND EXAMINATION FOR CORROSION
            3.1 General
            3.2 Visual Examination
            3.3 Detection of Corrosion
                3.3.1 Detailed Etching Method
                3.3.2 Ultrasonic Examination
            3.4 Removal of Corrosion
            3.5 Post Dressing Thickness Gauging
            3.6 Recording of Examination Results
SECTION 4 - ACCEPTANCE CRITERIA
            4.1 Cleaning
            4.2 Wall Thickness
                4.2.1 90% Criterion
                4.2.2 Finite Element Analysis (FEA) and
                      Lifing
            4.3 Handling of Rejected Components
            4.4 Re-Stamping
            4.5 Certification
            4.6 Records
SECTION 5 - RECLAMATION OF REJECTED CASTINGS
            5.1 Policy on Weld Repair
            5.2 Options for Casting Repair
            5.3 Procedure for Weld Repair
            5.4 Inspections
            5.5 Re-Stamping
            5.6 Certification
            5.7 Records
ANNEX A - RELATED DOCUMENTS
ANNEX B - DEFINITIONS AND ABBREVIATIONS
ANNEX C - PROCUREMENT CHECK LIST

Defines Submarine First Level & sea wetted castings made of Nickel Aluminium Bronze manufactured to DGS 8520, DGS 348 or Defence Standard 02-747 Part 1, 2 or 4 which have had service use involving contact with sea water.

DocumentType
Standard
PublisherName
UK Ministry of Defence Standards
Status
Superseded
SupersededBy

DEFSTAN 02-824(PT3)/1(2005) : 2005 COPPER NICKEL CHROMIUM SAND CASTINGS AND INGOTS - PART 3: PROCEDURES FOR REQUALIFICATION OF COPPER NICKEL CHROMIUM CASTINGS (CAT 1)
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 02-872(PT4)/1(2002) : 2002 PROCEDURES FOR FIRST LEVEL NICKEL ALUMINIUM BRONZE CASTINGS - PART 4: INSPECTIONS OUTSIDE OF LONG OVERHAUL PERIODS

DEFSTAN 02-872(PT4)/1(2002) : 2002 PROCEDURES FOR FIRST LEVEL NICKEL ALUMINIUM BRONZE CASTINGS - PART 4: INSPECTIONS OUTSIDE OF LONG OVERHAUL PERIODS
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 02-341(PT1)/1(2000) : 2000 REQUIREMENTS FOR CLEANING OF ITEMS, COMPONENTS AND EQUIPMENT FOR FLUID SYSTEMS - PART 1: CLEANING CATEGORY 2
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 02-747(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 02-771/1(2000) : 2000 REQUIREMENTS, PROCEDURE AND INSPECTION FOR WELD REPAIR OF COPPER ALLOY AND NICKEL ALLOY CASTINGS
DEFSTAN 80-20/3(1994) : 1994 CLEANING COMPOUND, SOLVENT, COLD BATH TYPE, FOR METAL (CRESYLIC ACID/DICHLOROMETHANE)

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