Find the most up-to-date version of DIN EN at Engineering BS EN Steel pipes for pipelines for combustible fluids – Technical delivery conditions Part 2: Pipes of requirement class B. BS EN ICS NO COPYING WITHOUT BSI PERMISSION It supersedes BS EN which is withdrawn.
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Many years of experience. Pipes of requirement class A Part 2: Users are responsible for its correct application.
Method of test at ambient temperature EN Steel 102082- for pipelines for combustible fluids. If the pipes are to be heat treated, test coupons may, by agreement, be taken and flattened before the heat treatment.
PN-EN ,2 ||| Steel pipes for pipelines for combustible fluids
For offshore applications and other applications outside the scope of EN and ENother standards may be applicable, e. Pipelines for maximum operating pressure over 16 bar. For 1020-2 end welds the test unit shall consist of not more than 50 pipes containing strip end welds per order item. Any manual NDT applied to local suspect areas dressed or not shall use the same test sensitivity, test parameters and acceptance level reference notch depth as used during the test which originally deemed the pipe suspect.
The choice of the test method is left to the discretion of the manufacturer.
EN and EN Test method EN Lengths of pipe with outside diameters D smaller than ,3 mm shall be weighed either individually or in convenient lots, at the discretion of the manufacturer. Learn more about the cookies we use and how to change your settings. The verification of compliance with this requirement by means of an ultrasonic test conducted in the pipe mill, at the discretion of the manufacturer either prior to welding of the strip edges in accordance with EN to acceptance limit U2 or after welding on the area adjacent to the weld seam in ac- cordance with EN to acceptance limit U2 shall only be carried out by agreement.
This is designated requirement class A and considered in EN PN-EN ,2 Steel pipes for pipelines for combustible fluids The pipes are used for transporting gas, oil, combustible fluids with specific pressure in the mining, chemical, and power engineering industry.
Firstly, the need was recognized to provide a basic quality level. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations.
Where no further heat treatment or only a heat treatment of the weld area is carried out, the sizing ratio sr achieved by this cold working shall not exceed 0, Your basket is empty. To take this into account, the following formula shall apply: The tube thickness in the dressed area shall not be less than the specified minimum wall thickness.
For grades with values higher than 0,43 a max. When you use our service you can be assured the latest editions and easy access. Grinding shall be carried out in such a way that the dressed area blends in smoothly with the contour of the pipe.
For the measurement of flat spots and peaks see 9. The presence of laminar imperfections or burnt metal shall not become apparent during the entire test. After weld repair, the total area of the repair shall be ultrasonically inspected in accordance with C.
Report error on page. Contents of BS EN include: Where appropriate, the purchaser should contact the manufacturer for more detailed information. Minor surface imperfections may be removed by grinding.
Subscribe on standards with 10208–2 subscription service. The details are left to the discretion of the inspector. It supersedes BS EN Users of British Standards should make sure that they possess the latest amendments or editions.
A list of 10208-22 represented on this committee can be obtained on request to its secretary.
BS EN 10208-2:2009
We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Electric welded non-alloy steel tubes with specified low temperature properties. A survey on the tests is given in Table C. Pipes of requirement class B Tubes en acier pour conduites de fluides combustibles – Conditions techniques de livraison – Partie 2: Introduction Scope Normative references Terms and definitions Symbols and abbreviations Classification and designation Information to be supplied by the purchaser Mandatory information Options Example of ordering Manufacturing Steelmaking Pipe manufacture Heat treatment condition Sizing Strip end welds Jointers General requirements for non-destructive testing Requirements Chemical composition Mechanical properties Weldability Appearance and soundness Dimensions, masses and tolerances Inspection Types of inspection and inspection documents Summary of inspection and testing Selection and preparation of samples and test pieces Test methods Retests, sorting and reprocessing Marking of the pipes General marking Special marking Coating for temporary protection Manufacturing procedure qualification Treatment of imperfections and defects disclosed by visual examination Non-destructive testing Bibliography.
BS EN gives no detailed guidelines. Cold forming and reduction with hot tensioning at controlled temperature so as to achieve a normalized state.
BS EN Steel pipes for Pipelines for Combustible Fluids – MBA智库文档
For example, rich gas or two-phase fluids may require additional testing to be carried out. Their classification in accordance with EN is indicated in Table 1.
One pipe should be selected for testing out of every tested unit. An approval of rn quality system may be agreed.
NOTE 2 The abbreviated form of this delivery condition is Q in this document, included in the steel name. Accept dn continue Learn more about the cookies we use and how to change your settings.
Iron and steel pipes. 102082- qualification shall be in accordance with EN or, at least, an equivalent to it. Where internal machining or grinding is carried out, the angle of the internal taper, measured from the longitu- dinal axis, shall be not greater than: