SN EN 10253-1 : 1999
Current
The latest, up-to-date edition.
BUTT-WELDING PIPE FITTINGS - PART 1: WROUGHT CARBON STEEL FOR GENERAL USE AND WITHOUT SPECIFIC INSPECTION REQUIREMENTS
12-01-2013
Foreword
1 Scope
1.1 Scope
1.2 Limitation of use
1.3 Technical delivery conditions
2 Normative references
3 Definitions and symbols
3.1 Definitions
3.2 Symbols
4 Information to be supplied by the purchaser
4.1 Mandatory information
4.2 Options
4.3 Examples
5 Manufacturing process
5.1 Steelmaking process
5.2 Fitting-making process and heat treatment
6 Metallurgical properties
6.1 Chemical composition
6.2 Mechanical characteristics
6.3 Weldability
7 Dimensions and tolerances
7.1 Dimensions
7.2 Tolerances and dimensions
7.3 End finishing
8 Appearance, imperfections and repair
8.1 Appearance
8.2 Imperfections
8.3 Repair
9 Inspection and testing
9.1 General
9.2 Inspection documents
9.3 Summary of inspection and testing
9.4 Inspection and test methods
10 Marking
11 Protection and packaging
Annex A (normative) Alternative specification for all types
of fittings
A.1 - Steel grade
A.2 - Dimensions
Annex B (informative) A-deviation
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