03/108196 DC : 0
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
EN 10253-4 - BUTT WELDING PIPE FITTINGS - PART 4: WROUGHT AUSTENITIC & AUSTENITIC-FERRITIC (DUPLEX) STAINLESS STEELS WITH SPECIFIC INSPECTION REQUIREMENTS
Hardcopy , PDF
04-30-2008
English
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Classification of grades and designation
5.1 Classification of grades
5.2 Designation
6 Information to be supplied by the purchaser
6.1 Mandatory information
6.2 Options
6.3 Examples of an order
7 Resistance to internal pressure
7.1 General
7.2 Fittings of type A
7.3 Fittings of type B
8 Manufacturing process
8.1 Steelmaking process
8.2 Product making process for fittings and heat treatment
9 Technical requirements
9.1 General
9.2 Chemical composition
9.3 Mechanical properties
10 Appearance and internal soundness
10.1 Appearance
10.2 Internal soundness
11 Dimensions and tolerances
11.1 Dimensions
11.2 Dimensional tolerances
11.3 Performance of the end bevelling
12 Inspection
12.1 Inspection documents
12.2 Summary of inspection and testing
13 Sampling
13.1 Frequency of tests
13.2 Preparation of samples and test pieces
14 Test methods
14.1 Chemical analysis
14.2 Tensile test on the base material
14.3 Transverse tensile test on the weld
14.4 Weld bend test
14.5 Impact testing
14.6 Intergranular corrosion test
14.7 Dimensional testing
14.8 Visual inspection
14.9 Non destructive testing
14.10 Material identification
14.11 Optional tests
15 Marking
15.1 Marking to be applied
16 Handling and packaging
Annex A (informative) Specific dimensions of fittings
Annex B (informative) Determination of wall thickness
Annex C (informative) Wall thickness tables
Annex D (informative) Commonly used inside diameters and
wall thicknesses
Annex ZA (informative) Clauses of this European Standard
addressing essential requirements or other
provisions of EU Directives
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