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Part 2: Pipes of requirement class B. BS EN ICS NO COPYING WITHOUT BSI PERMISSION It supersedes BS EN which is withdrawn.
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Subscribe on standards – Read more. Pipes of requirement class B Status: Pipes of the highest quality. However, it was recognized that there are several quality levels commonly used, and it was decided to reflect these in the standard by the differentiation between two quality levels. Pipes of requirement class B Status: However, account should be taken of the fact that the behaviour of the steel during and after welding is de- pendent not only on the steel, but also on the welding consumables used and on the conditions of preparing for and carrying out the welding.
After grinding the remaining wall thickness in the dressed area shall be checked for compliance with 8.
The orientation and size of the test piece shall be as follows: Weld defects sepa- rated by less than mm shall be repaired as a continuous single weld repair.
All dressed areas shall blend smoothly into the contour of the tube. The methods to be used are left to the discretion of the manufacturer, unless other- wise agreed.
This website is best viewed with browser version of up to Microsoft Internet Explorer 8 or Firefox 3. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. It is recommended that the level 3 personnel be certified in accordance to EN or, at least an equivalent to it. Circular test pieces machined from an 1008-2 sample may be used by agreement. This is designated requirement class A and considered 10208-22 EN Technical delivery conditions Pipes of requirement class A.
BS EN Steel pipes for Pipelines for Combustible Fluids – MBA智库文档
Pipes of requirement class A Part 2: In addition after repair, each repaired pipe length shall be hydrostatically tested in accordance with 9. Grinding shall be carried out in such a way that the dressed area blends in smoothly with the contour of the pipe. The depth of groove resulting from trimming the internal flash of HFW pipe shall not undercut the contour of the pipe by more than that given in Table If an inspection certificate 3. Contents of BS EN include: The details are left to the discretion of the inspector.
If the pipes are to be heat treated, test coupons may, by agreement, be taken and flattened before the heat treatment. Automatic ultrasonic testing of seamless and welded except submerged arc-welded steel tubes for the detection of laminar imperfections ENNon-destructive testing of steel tubes — Part Therefore this document gives no detailed guidelines. In case of test pieces taken on the weld, the axis of the notch shall be placed in 110208-2 middle of the weld. SS-EN Replaced by: Automatic ultrasonic testing of the area adjacent to the weld seam of welded steel tubes for the 10280-2 of laminar imperfections ENNon-destructive testing of steel tubes — Part A version in any other language made by translation under the responsibility of a CEN member into its own rn and notified to the CEN Management Centre has the same status as the official versions.
BS EN 10208-2:2009
If a fracture or crack in a test piece is caused by imperfections, the test piece may be discarded and a new test piece substituted. In this case, both internal and external weld reinforcements shall be ground flush to match the parent pipe contour in the immediate area and on both sides of the reference notches. It includes more stringent 12008-2 and testing requirements than those in EN dn It is incorporated by Royal Charter. Site map News Contact.
The height of the weld bead of the remainder of the pipe shall not exceed the applicable value given in Table EN and EN