API publications necessarily address problems of a general nature. With respect to VII. Introduction. This Standard is based on API Spec 5L, 44th Edition. Comparison Between API 5L 44th And 45th Edition – API API Has Provided A Summary Of The 45th Edition Improvements, As Per The Following Excerpt From . API 5L 44th – Ebook download as PDF File .pdf) or read book online.

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API 5L Steel Pipe Specification (Latest 45th Edition Update)

Also, there are similar summaries more or less detailed on the net, do a bit of search. Chemical composition limits are more specific and tighter for many grades?

Flattening test The flattening test method is used to verify the deformation performance of line pipe to the specified size, and display its defects. Acceptance criteria are given to determine when these are considered a defect L Street, NW?

Suitable for welding L Street, NW? Posting Guidelines Promoting, selling, recruiting, coursework and thesis posting is forbidden. Very prescriptive including the pipe attributes that must be marked on the pipe — i.

Reference documents to API 5L. Clause s stat criteria unit stat criteria units Dimensions Weight Length Mill Wdition Defects Plain Ends 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 Body OD from nom.

A section containing the defect is removed by cutting? Types of inspections required are based on the product form and the PSL level and include: Specification permits intermediate grades L Street, NW?

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Click Here to join Eng-Tips and talk with other editiion Different manufacturing type API 5L specification covers the manufacturing types in welded and seamless.

Join your peers on the Internet’s largest technical engineering professional community. Except the previous situation, the pipe shall withstand the hydrostatic test without leakage through the weld seam or the pipe body.

API 5L pipe length tolerances shall be complied as following conditions: Random length shall be delivered as below table First, a revised ISO was balloted and published. At present, the development trend of line pipe engineering is large diameter, high pressure gas transportation, high cold and corrosion service environment, thick wall of submarine pipeline etc. As the steel line pipe grades higher, more strictly control on the carbon equivalent control, and higher mechanical strength performances.

Section contains a list of the pertinent test and examination records? What information that will be required for purchasing API 5L pipe a. New version of API 5L is more completely, and scientific. For all bend test, the weld extends to a distance of 6.

Bend test Cracks should not occur in any part of the sample and opening of weld shall not occur as well. API 5L 44th ed.

This version was started from Aprilwith collecting and analyzing of more than suggestions, finally released at the end of The best requirements of both standards were adopted? The Eng-Tips staff will check this out and take appropriate action. In addition, changes were made to Section This standard is not applicable to cast pipe.

Therefore, API 5L steel line pipe should have high strength, high toughness and brittle fracture, and good weld ability, and suitable for sour services and in H2S environment with anti-corrosion performances.

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API 5L Pipe Complete Specification Based 45th Latest Edition

Thermomechanical rolled or thermomechanical formed. Acceptance criteria given in Clauses E. For PSL2 pipe, Besides above terms, such documents shall provide means for tracing any length of the pipe to the proper test unit, including the related chemical and mechanical test results. It is high technology and high value-added product. API 5L steel line pipe adopts different steel grades, generally are Gr. For your info, there are edittion big diameters seamless pipe. The steel line pipe production has almost applied to all new technology achievement in metallurgy field nearly 20 years.

With less raw material cost, simplified and uniform production procedures, welded steel pipe has taken the first place in oil and gas line pipe industries. A summary of some of the key requirements ediion Notations in the margins of the standard showing where requirements in Annex N either supplement or replace those in the body L Street, NW? PSL is the abbreviation of product specification level. Close this window and log in.

References provided in Clause 7. The mainly difference between 45th Edition with previously is to add 2 additional appendix: Magnetic particle inspection Clause E.

Manufacturer applies for Licensing under the Monogram Program 2. Thank you for helping keep Eng-Tips Forums free from inappropriate posts. October 1, ISO