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  • BSI
    BS EN 10253-2:2021 Butt-welding pipe fittings - Non alloy and ferritic alloy steels with specific inspection requirements
    Edition: 2021
    $569.57
    / user per year

Description of BS EN 10253-2:2021 2021

This document specifies the technical delivery requirements for seamless and welded butt?welding fittings (elbows, concentric and eccentric reducers, equal and reducing tees, caps) made of carbon and alloy steel in two test?categories which are intended for pressure purposes at room temperature, at low temperature or at elevated temperatures, and for the transmission and distribution of fluids and gases.

It specifies:

  1. type of fittings;

    1. type A: Butt-welding fittings with reduced pressure factor;

    2. type B: Butt-welding fittings for use at full service pressure;

  2. steel grades and their chemical compositions;

  3. mechanical properties;

  4. dimensions and tolerances;

  5. requirements for inspection and testing;

  6. inspection documents;

  7. marking;

  8. protection and packaging.

NOTE

The selection of the appropriate fitting (material, thickness) is the ultimate responsibility of the manufacturer of the pressure equipment (see European Legislation for Pressure Equipment). In the case of a harmonized supporting standard for materials, presumption of conformity to the ESRs is limited to technical data of materials in the standard and does not presume adequacy of the material to a specific item of equipment. Consequently, it is essential that the technical data stated in the material standard be assessed against the design requirements of this specific item of equipment to verify that the ESRs of the PED are satisfied.



Standard NumberBS EN 10253-2:2021
TitleButt-welding pipe fittings - Non alloy and ferritic alloy steels with specific inspection requirements
StatusUnder Review
Publication Date2021-08-31
ReplacesBS EN 10253-2:2007
Identical National Standard OfEN 10253-2
DescriptorsFerritic steels, Dimensions, Butt joints, Reducing couplings, Pipe couplings, Welded fittings, Chemical composition, Mechanical properties of materials, Marking, Elbows (pipes), Pressure pipes, Unalloyed steels, Pipe tees, Pipe caps, Steels, Mechanical testing, Pipe fittings, Inspection
ICS23.040.40 Metal fittings, 77.140.20 Stainless steels, 77.140.45 Non-alloyed steels
CommitteeISE/110
ISBN978 0 580 95427 6
PublisherBSI
Pages150

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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