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ASTM G193-21

(Terminology)

Standard Terminology and Acronyms Relating to Corrosion

Standard Terminology and Acronyms Relating to Corrosion

SCOPE
1.1 This terminology and acronyms standard covers and defines commonly used terms and acronyms in the field of corrosion. Related terms may be found in Terminologies D16, D4538, G40, or other ASTM terminology standards.  
1.2 This terminology and acronyms standard is a result of an agreement between NACE International and ASTM International Committee G01 on Corrosion of Metals and may not reflect the opinions of other ASTM committees.  
1.3 In this terminology and acronyms standard, brackets are used for directives that follow a definition and are obviously not part of it, such as, “[see XXX]” and “[also known as XXX].” Brackets can also indicate the field of application or context of the definition or acronym.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

General Information

Status
Historical
Publication Date
14-Dec-2021
ICS
01.040.77 - Metallurgy (Vocabularies)
77.060 - Corrosion of metals
Technical Committee
J01 - Joint ASTM/NACE Committee on Corrosion
Drafting Committee
J01.02 - Working Group on Terminology
Current Stage
Ref Project

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: NACE/ASTM G193 − 21
Standard Terminology and Acronyms Relating to
1
Corrosion
This standard is issued under the fixed designation NACE/ASTM G193; the number immediately following the designation indicates
the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last
reapproval. A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope E92 Test Methods for Vickers Hardness and Knoop Hard-
ness of Metallic Materials
1.1 This terminology and acronyms standard covers and
G40 Terminology Relating to Wear and Erosion
defines commonly used terms and acronyms in the field of
2
2.2 NACE Standards:
corrosion. Related terms may be found in Terminologies D16,
NACE No. 1/SSPC-SP 5 White Metal Blast Cleaning
D4538, G40, or other ASTM terminology standards.
NACE No. 2/SSPC-SP10 Near-White Metal Blast Cleaning
1.2 Thisterminologyandacronymsstandardisaresultofan
NACE No. 3/SSPC-SP 6 Commercial Blast Cleaning
agreement between NACE International and ASTM Interna-
NACE No. 4/SSPC-SP 7 Brush-Off Blast Cleaning
tional Committee G01 on Corrosion of Metals and may not
3
2.3 SSPC Surface Preparation Standards:
reflect the opinions of other ASTM committees.
SSPC-SP 1 Solvent Cleaning
1.3 In this terminology and acronyms standard, brackets are
SSPC-SP 2 Hand Tool Cleaning
used for directives that follow a definition and are obviously
SSPC-SP 3 Power Tool Cleaning
not part of it, such as, “[see XXX]” and “[also known as
SSPC-SP 8 Pickling
XXX].” Brackets can also indicate the field of application or
4
2.4 ISO Standards:
context of the definition or acronym.
ISO 6506-1 Metallic materials -- Brinell hardness test -- Part
1.4 This international standard was developed in accor-
1: Test method
dance with internationally recognized principles on standard-
ISO 6507-1 Metallic materials -- Vickers hardness test --
ization established in the Decision on Principles for the
Part 1: Test method
Development of International Standards, Guides and Recom-
ISO 6508-1 Metallic materials -- Rockwell hardness test --
mendations issued by the World Trade Organization Technical
Part 1: Test method (scales A, B, C, D, E, F, G, H, K, N,
Barriers to Trade (TBT) Committee.
T)
2. Referenced Documents
3. Terminology
2
2.1 ASTM Standards:
3.1 Definitions:
D16 TerminologyforPaint,RelatedCoatings,Materials,and
abrasion resistance—the ability of a material to resist being
Applications
worn away and to maintain its original appearance and
D2583 Test Method for Indentation Hardness of Rigid Plas-
structure when subjected to rubbing, scraping, or wear.
tics by Means of a Barcol Impressor
abrasive—a solid substance that, owing to its hardness,
D4538 Terminology Relating to Protective Coating and
toughness, size, shape, consistency, or other properties, is
Lining Work for Power Generation Facilities
suitable for grinding, cutting, roughening, polishing, or
E10 Test Method for Brinell Hardness of Metallic Materials
cleaning a surface by friction or high-velocity impact.
E18 Test Methods for Rockwell Hardness of Metallic Ma-
terials
abrasive blast cleaning—cleaning and roughening of a sur-
faceproducedbythehigh-velocityimpactofanabrasivethat
1
ispropelledbythedischargeofpressurizedfluidfromablast
This terminology and acronyms standard is under the jurisdiction of NACE/
ASTM Committee J01, Joint Committee on Corrosion, and is the direct responsi-
nozzle or by a mechanical device such as a centrifugal
bility of Subcommittee J01.02, Working Group on Terminology.
blasting wheel. [also referred to as abrasive blasting]
Current edition approved Dec. 15, 2021. Published May 2022. Originally
approved in 2009. Last previous edition approved in 2020 as G193-20a. DOI:
10.1520/G0193-21.
2 3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Available from The Association for Materials Protection and Performance
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM (AMPP), 800 Trumbull Drive, Pittsburgh, PA 15205, https://www.ampp.org/ampp-
Standards volume information, refer to the standard’s Document Summary page on sspc-store.
4
the ASTM website. For NACE standards, visit the The Association for Materials Available from International Organization for Standardization (ISO), ISO
Protection and Performance (AMPP) website, https://www.ampp.org/ampp-nace- Central Secretariat, BIBC II, Chemin de Blandonnet 8, CP 401, 1214 Vernier,
store. Geneva, Switzerland, https://www.iso.org.
© NACE International/ASTM International 2022 – All rights reserved
1

---------------------- Page: 1 ----------------------
NACE/ASTM G193 − 21
abrasive blasting—see abrasive blast cleaning. amphoteric metal—a metal that is susceptible to corrosion in
both acidic and alkaline environmen
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: NACE/ASTM G193 − 20a
NACE/ASTM G193 − 21
Standard Terminology and Acronyms Relating to
1
Corrosion
This standard is issued under the fixed designation NACE/ASTM G193; the number immediately following the designation indicates
the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last
reapproval. A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This terminology and acronyms standard covers and defines commonly used terms and acronyms in the field of corrosion.
Related terms may be found in Terminologies D16, D4538, G40, or other ASTM terminology standards.
1.2 This terminology and acronyms standard is a result of an agreement between NACE International and ASTM International
Committee G01 on Corrosion of Metals and may not reflect the opinions of other ASTM committees.
1.3 In this terminology and acronyms standard, brackets are used for directives that follow a definition and are obviously not part
of it, such as, “[see XXX]” and “[also known as XXX].” Brackets can also indicate the field of application or context of the
definition or acronym.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization
established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued
by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents
2
2.1 ASTM Standards:
D16 Terminology for Paint, Related Coatings, Materials, and Applications
D2583 Test Method for Indentation Hardness of Rigid Plastics by Means of a Barcol Impressor
D4538 Terminology Relating to Protective Coating and Lining Work for Power Generation Facilities
E10 Test Method for Brinell Hardness of Metallic Materials
E18 Test Methods for Rockwell Hardness of Metallic Materials
E92 Test Methods for Vickers Hardness and Knoop Hardness of Metallic Materials
G40 Terminology Relating to Wear and Erosion
2
2.2 NACE Standards:
NACE No. 1/SSPC-SP 5 White Metal Blast Cleaning
NACE No. 2/SSPC-SP 10 Near-White Metal Blast Cleaning
NACE No. 3/SSPC-SP 6 Commercial Blast Cleaning
NACE No. 4/SSPC-SP 7 Brush-Off Blast Cleaning
1
This terminology and acronyms standard is under the jurisdiction of NACE/ASTM Committee J01, Joint Committee on Corrosion, and is the direct responsibility of
Subcommittee J01.02, Working Group on Terminology.
Current edition approved Aug. 1, 2020Dec. 15, 2021. Published September 2020May 2022. Originally approved in 2009. Last previous edition approved in 2020 as
G193G193-20.-20a. DOI: 10.1520/G0193-20A.10.1520/G0193-21.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website. For NACE standards, visit the NACE International website, www.nace.org, or
contact NACEThe Association for Materials Protection and Performance First(AMPP) Service at firstservice@nace.org.website, https://www.ampp.org/ampp-nace-store.
© NACE International/ASTM International 2022 – All rights reserved
1

---------------------- Page: 1 ----------------------
NACE/ASTM G193 − 21
3
2.3 SSPC Surface Preparation Standards:
SSPC-SP 1 Solvent Cleaning
SSPC-SP 2 Hand Tool Cleaning
SSPC-SP 3 Power Tool Cleaning
SSPC-SP 8 Pickling
4
2.4 ISO Standards:
ISO 6506-1 Metallic materials -- Brinell hardness test -- Part 1: Test method
ISO 6507-1 Metallic materials -- Vickers hardness test -- Part 1: Test method
ISO 6508-1 Metallic materials -- Rockwell hardness test -- Part 1: Test method (scales A, B, C, D, E, F, G, H, K, N, T)
3. Terminology
3.1 Definitions:
abrasion resistance—the ability of a material to resist being worn away and to maintain its original appearance and structure
when subjected to rubbing, scraping, or wear.
abrasive—a solid substance that, owing to its hardness, toughness, size, shape, consistency, or other properties, is suitable for
grinding, cutting, roughening, polishing, or cleaning a surface by friction or high-velocity impact.
abrasive blast cleaning—cleaning and roughening of a surface produced by the high-velocity impact of an abrasive that is
propelled by the discharge of pressurized fluid from a blast nozzle or by a mechanical device such as a centrifugal blasting wheel.
[also referred to as abrasive blasting]
abrasive blasting—see abrasive blast c
...

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