ASME B31G PDF

It is applicable to all pipelines and piping systems within the scope of: ASME B 4 – Pipeline Transportation Systems for Liquid. Hydrocarbons and Other. ASME B31G – Level 2 Option, otherwise known as RSTRENG is most commonly used in the pipeline industry. However, ASME B31G Level 2 that is based on. Integration with NDT tools. ▫ 3D surface measurements. ▫ UT. ▫ What’s next? ▫ Pit gage data entry interface. ▫ ASME B31G (), DNV RP-F

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If the exact measured value is not listed, choose the row showing the next greater depth.

Revisions are made periodically to the Standard to incorporate changes that appear necessary or desirable, as demonstrated by the experience gained from the application of the Standard. Further references may be found in other documents available in the public domain.

We are a non-profit group that run this website to share documents. ASME procedures provide for reconsideration of any interpretation when or if additional information that might affect an interpretation is available. Correspondence should be addressed to: Where the term pipeline is used, it may also be read to apply to piping or pipe conforming to the acceptable applications and within the technical limitations discussed below.

The tables may be used to determine the maximum allowable longitudinal extent of a contiguous area of corrosion or an interacting cluster of metal loss areas. The flow stress can be calculated as either 1. Material specific test data should be used if it is available. The local solution resulting in the lowest calculated failure stress shall govern. Subsequently, an effort was undertaken to update the B31G document to recognize certain other corrosion evaluation methods that have proven sound and that have seen successful use in the pipeline industry.

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Diameter Over Wall Thickness Ratio tf: Cite the applicable edition of the Standard for which the interpretation is being requested. Measured Outside Circumference ODu: Measure the maximum depth of the corroded area, d, and longitudinal extent of the corroded area, L, as shown in Fig.

Wall Thickness Fabrication Fraction. Simply mail, phone, fax, or E-mail us and a Customer Care representative will handle your request.

Participation by federal agency representative s or person s affiliated with industry is not to be interpreted as government or industry endorsement of this code or standard. High longitudinal stresses in tension acting on metal loss having a significant circumferential extent, in unrestrained piping, could change the failure mode from longitudinal to circumferential.

ASME B31G Pipe Corrosion Calculation

When evaluating anomalies identified by inline inspection, use of larger factors of safety will result in smaller flaws being left in service amse field investigation and pipeline repairs. Lesser factors of safety may be justified in some circumstances, e. Define an acceptable safety factor, SF. The B31 Standards Committee regularly holds meetings, which are open to the public. Holbrook, Babcock Power, Inc.

Validation of software should include documented evidence that correct results are obtained over the full range of parameters that could reasonably be expected to occur when making evaluations. It is not a property specified in a material grade or finished product standard.

Users of a code or standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, is entirely their own responsibility. Flenner, Flenner Engineering Services J.

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Minimum Wall Thickness tn: Cite the applicable paragraph number s and the topic of the inquiry. The detailed profile is established by obtaining several measurements of metal loss or remaining wall thickness throughout the metal loss area.

ASME B31G-2012

It is applicable to all pipelines and piping systems within the scope of the transportation pipeline codes that are part of ASME B31 Code for Pressure Piping, namely: Changes given below are identified on the pages by a margin note, 12placed next to the affected area.

Care should be taken when cleaning corroded areas of a pressurized pipe. Minichiello, Bechtel National, Inc. Errata to codes and standards may be posted on the ASME Web site under the Committee Pages to provide corrections to incorrectly published items, or to correct typographical or grammatical errors in codes and standards. Rodabaugh, Honorary Member, Consultant W. Bodenhamer, Enterprise Products Co. Validation of third-party software should also demonstrate that adequate checks or warnings are produced when parameters fall outside ranges that will ensure correct results.

While each method can be applied as presented, source documents may provide additional information to the user.

ASME B31G Corrosion Calculator : Pipeng Toolbox

B31J Pipeline Personnel Qualification. User Defined Outside Diameter schedtype: It is noted that Sflow was defined as 1. Wall Thickness Schedule Type tnu: