NACE SP0402-2023

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NACE SP0402-2023

Revised January 18, 2023

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.

Field-Applied Fusion-Bonded Epoxy (FBE)

Pipe Coating Systems for Girth Weld Joints:

Application, Performance,

and Quality Control

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

NACE SP0402-2023

Field-Applied Fusion-Bonded Epoxy (FBE)

Pipe Coating Systems for Girth Weld Joints:

Application, Performance,

and Quality Control

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 other-

wise, 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 useful-

ness 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 Support,

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

Document History

2023-01-18: Revised by AMPP Standards Committee (SC) 03, External Coatings—Buried & Immersed

2002: Approved (as RP0402) by NACE Task Group (TG) 249, “Field-Applied Fusion-Bonded Epoxy (FBE)

Pipe Coating Systems for Girth Weld Joints: Application, Performance, and Quality Control”

NACE SP0402-2023

Field-Applied Fusion-Bonded Epoxy (FBE)

Pipe Coating Systems for Girth Weld Joints:

Application, Performance,

and Quality Control

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

Referenced Standards and Other Consensus Documents .............................................................................................4

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

Section 2 Denitions .................................................................................................................................................5

Section 3 Coating Systems .......................................................................................................................................6

Section 4 Coating Material ........................................................................................................................................7

4.1 Coating Material Information .......................................................................................................7

4.2 Labels ..........................................................................................................................................7

4.3 Coating Testing ...........................................................................................................................7

4.4 Repair Materials ..........................................................................................................................8

4.5 Handling of Coating Materials .....................................................................................................8

Section 5 Application Procedure Specication..........................................................................................................8

Section 6 Procedure Qualication Trial (PQT) ........................................................................................................10

Section 7 Surface Preparation of Pipe .................................................................................................................... 11

Section 8 Preheating Process .................................................................................................................................12

Section 9 Coating Application by Powder Ring .......................................................................................................13

Section 10 Manual Application of Powder ................................................................................................................. 14

Section 11 General Procedures ................................................................................................................................15

Section 12 Inspection and Repair .............................................................................................................................16

Tables

Table 1 Epoxy Powder (FBE and ARO) Properties Provided in Batch Certicate from Supplier ........................... 7

Table 2 PQT Testing Requirements .....................................................................................................................10

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摘要：

NACE SP0402-2023 是由国际防腐工程师协会（NACE）发布的最新标准规范，聚焦于油气及工业设施中防腐涂层的施工、检验与维护要求。该标准为2023年更新版本，旨在统一涂装工艺、提升耐久性与安全性，适用于管道、储罐及钢结构等关键资产的防腐保护。全文涵盖了涂层材料选择、表面处理规范、涂层厚度测量及缺陷评估等核心技术要点，帮助企业降低腐蚀风险、延长设备寿命并符合国际合规要求。对于工程技术人员、质量检验员及运维管理者而言，SP0402-2023是实施高效防腐管理、优化全生命周期成本的重要参考

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