NACE SP0313-2025 管道应用中的导波技术

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NACE SP0313-2025

Revised July 23, 2025

reproduced, stored in a retrieval system, or transmitted, in any form or by any means (electronic, mechanical, photocopying, recording,

or otherwise) without the prior written permission of AMPP.

Guided Wave Technology

for Piping Applications

Provided by Accuris under license with NACE

No reproduction or networking permitted without license from Accuris

AMPP values your input. To provide feedback on this standard, please contact: standards@ampp.org

NACE SP0313-2025

Guided Wave Technology

for Piping Applications

This AMPP standard represents a consensus of those individual members who have reviewed this document, its scope,

and provisions. Its acceptance does not in any respect preclude anyone, whether he or she has adopted the standard

or not, from manufacturing, marketing, purchasing, or using products, processes, or procedures not in conformance

with this standard. Nothing contained in this AMPP standard is to be construed as granting any right, by implication or

otherwise, to manufacture, sell, or use in connection with any method, apparatus, or product covered by Letters Patent,

or as indemnifying or protecting anyone against liability for infringement of Letters Patent. This standard represents

minimum requirements and should in no way be interpreted as a restriction on the use of better procedures or materials.

Neither is this standard intended to apply in all cases relating to the subject. Unpredictable circumstances may negate

the usefulness of this standard in specic instances. AMPP assumes no responsibility for the interpretation or use of

this standard by other parties and accepts responsibility for only those ofcial AMPP interpretations issued by AMPP

in accordance with its governing procedures and policies which preclude the issuance of interpretations by individual

volunteers.

Users of this AMPP standard are responsible for reviewing appropriate health, safety, environmental, and regulatory

documents and for determining their applicability in relation to this standard prior to its use. This AMPP standard may

not necessarily address all potential health and safety problems or environmental hazards associated with the use of

materials, equipment, and/or operations detailed or referred to within this standard. Users of this AMPP standard are

also responsible for establishing appropriate health, safety, and environmental protection practices, in consultation with

appropriate regulatory authorities if necessary, to achieve compliance with any existing applicable regulatory require-

ments prior to the use of this standard.

CAUTIONARY NOTICE: AMPP standards are subject to periodic review and may be revised or withdrawn at any time

in accordance with AMPP technical committee procedures. AMPP requires that action be taken to reafrm, revise, or

withdraw this standard no later than ve years from the date of initial publication and subsequently from the date of each

reafrmation or revision. The user is cautioned to obtain the latest edition. Purchasers of AMPP standards may receive

current information on all standards and other AMPP/NACE/SSPC publications by contacting AMPP Customer Sup-

port, 15835 Park Ten Place, Houston, Texas 77084-5145 (Tel: +1-281-228-6200, email: customersupport@ampp.org).

Document History:

2025-07-23: Revised by AMPP Standards Committee (SC) 15, Pipelines and Tanks

2013-10-02: Approved by NACE Task Group (TG) 410, “Long-Range Guided Wave Ultrasonic Testing”

Provided by Accuris under license with NACE

No reproduction or networking permitted without license from Accuris

NACE SP0313-2025

Guided Wave Technology

for Piping Applications

Foreword, Scope, Rationale ............................................................................................................................................4

Section 1 General .....................................................................................................................................................5

Section 2 Denitions .................................................................................................................................................7

Section 3 Pre-Assessment ......................................................................................................................................13

3.1 Objectives .................................................................................................................................13

3.2 Criteria .......................................................................................................................................14

3.3 Physical and Operating Constraints .......................................................................................... 14

3.4 General Qualications of Service Provider ...............................................................................15

3.5 Guided Wave Testing Personnel Qualication and Certication Requirements ........................ 15

3.6 Guided Wave Testing Procedures .............................................................................................15

Section 4 Conducting Guided Wave Testing ...........................................................................................................16

4.1 Site Access or Excavation ......................................................................................................... 16

4.2 Pre-Guided Wave Testing Activities ..........................................................................................17

4.3 Identication/Marking ................................................................................................................17

4.4 Wall Thickness .........................................................................................................................17

4.5 Inspection ..................................................................................................................................17

Section 5 Post-Assessment Step ............................................................................................................................17

Section 6 GWT Service Provider Quality Management System Perspective ........................................................21

6.1 Quality Control ..........................................................................................................................21

6.2 Continuous Improvement ..........................................................................................................21

6.3 Process Measurement ..............................................................................................................21

6.4 Corrective and Preventive Action ..............................................................................................21

6.5 Quality System Review .............................................................................................................21

Section 7 Guided Wave Testing Records ................................................................................................................22

7.1 Guided Wave Testing Records ..................................................................................................22

7.2 Pre-Assessment Documentation..............................................................................................22

7.4 Direct Examinations and Validation ........................................................................................... 22

References ................................................................................................................................................................22

FIGURES

Figure 1 Typical Volumetric Coverage of a Guided Wave Examination ..................................................................6

Figure 2 Examples of Different 10% Cross-Sectional Areas Flaws. The First Diagram Assumes

d/t = 0.10, the Second that d/t = 0.20, and the Shortest Segment, d/t = 0.40 .........................................11

Figure 3: Schematic Diagram of Pulse Echo, through Transmission, and Pitch Catch Congurations..................16

TABLES

Table 1 Typical Values of Relative Signal Amplitude .............................................................................................6

Table 2 General Effects of Appurtenances on GWT ............................................................................................13

Table 3 Example of Acceptance Criteria and Response Plan..............................................................................20

Provided by Accuris under license with NACE

No reproduction or networking permitted without license from Accuris

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标签： #腐蚀防护领域 #导波检测技术 #管道无损检测

摘要：

管道应用中的导波检测技术Guided Wave Technology for Piping Applications，由腐蚀防护领域权威组织AMPP发布的管道无损检测领域的专业标准，指导如何用 “导波技术” 对管道（尤其是长距离、难接近区域的管道）进行缺陷（如腐蚀、裂纹）检测，属于工业管道维护、安全评估的重要技术依据。这份规范也代表了管道导波检测技术的行业标准要求。

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