BS 1640-1:1962
Current
The latest, up-to-date edition.
Specification for steel butt-welding pipe fittings for the petroleum industry Wrought carbon and ferritic alloy steel fittings
Hardcopy , PDF
English
12-12-1962
Co-operating organizations
Foreword
Specification
Section one: General
1 Scope
2 Size and size identification
3 Pressure ratings
4 Materials
5 Manufacture
6 Heat treatment
Section two: Dimensions and tolerances
7 Dimensions
8 Tolerances
Section three: Workmanship, marking, inspection, testing
and certification
9 Workmanship and finish
10 Marking
11 Inspection
12 Test facilities
13 Prototype bursting tests
14 Radiographic examination of fittings fabricated by
fusion welding
15 Radiographic technique and acceptance limits
16 Impact testing
17 Hydrostatic testing
18 Certification
Tables
1 Materials and material identification symbols
2 Tolerances
3 Outside diameter and nominal wall thickness of
wrought steel pipe
4 Dimensions of elbows and return bends
5 Dimensions of 90 deg long radius tangent elbows
6 Dimensions of equal tees
7 Dimensions of reducing tees
8 Dimensions of reducers (concentric and eccentric)
9 Dimensions of caps
10 Dimensions of lap-joint stub ends
Appendix
Information to be supplied by the purchaser
Figures
1 Welding end for wall thicknesses from 3/16 in to 7/8
in inclusive
2 Welding end for wall thicknesses greater than 7/8 in
3 Typical examples of off-square tolerance 'X' checked
against reference planes
Dimensions and tolerances, materials, methods of manufacture, pressure/temperature ratings, marking, inspection, tests for seamless and fabricated fittings: 45° long radius elbows, 90° long and short radius elbows, 90° long radius tangent elbows, long and short radius return bends, equal and reducing tees, concentric and eccentric reducers, caps and lap-joint stub ends, of sizes in to 24 in. Welding-neck flanges not included.
| Committee |
ISE/110
|
| DevelopmentNote |
Supersedes BS 1640(1962) (07/2004) Reviewed and confirmed by BSI, January 2008. (12/2007)
|
| DocumentType |
Standard
|
| Pages |
24
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| SupersededBy |
| Standards | Relationship |
| UNE-EN ISO 4064-2:2015 | Identical |
| UNE-EN ISO 9886:2004 | Identical |
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