ASTM G126-16
(Terminology)Standard Terminology Relating to the Compatibility and Sensitivity of Materials in Oxygen Enriched Atmospheres
Standard Terminology Relating to the Compatibility and Sensitivity of Materials in Oxygen Enriched Atmospheres
SCOPE
1.1 This terminology defines terms related to the compatibility and sensitivity of materials in oxygen enriched atmospheres. It includes those standards under the jurisdiction of ASTM Committee G04.
1.2 The terminology concentrates on terms commonly encountered in and specific to practices and methods used to evaluate the compatibility and sensitivity of materials in oxygen. This evaluation is usually performed in a laboratory environment, and this terminology does not attempt to include laboratory terms.
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Designation: G126 − 16
Standard Terminology Relating to the
Compatibility and Sensitivity of Materials in Oxygen
1
Enriched Atmospheres
This standard is issued under the fixed designation G126; 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 G94 Guide for Evaluating Metals for Oxygen Service
G114 Practices for Evaluating the Age Resistance of Poly-
1.1 This terminology defines terms related to the compat-
meric Materials Used in Oxygen Service
ibility and sensitivity of materials in oxygen enriched atmo-
G120 Practice for Determination of Soluble Residual Con-
spheres. It includes those standards under the jurisdiction of
tamination by Soxhlet Extraction
ASTM Committee G04.
G121 Practice for Preparation of Contaminated Test Cou-
1.2 The terminology concentrates on terms commonly en-
pons for the Evaluation of Cleaning Agents
countered in and specific to practices and methods used to
G122 Test Method for Evaluating the Effectiveness of
evaluate the compatibility and sensitivity of materials in
Cleaning Agents
oxygen. This evaluation is usually performed in a laboratory
G124 Test Method for Determining the Combustion Behav-
environment, and this terminology does not attempt to include
ior of Metallic Materials in Oxygen-Enriched Atmo-
laboratory terms.
spheres
G125 Test Method for Measuring Liquid and Solid Material
2. Referenced Documents
Fire Limits in Gaseous Oxidants
2
2.1 ASTM Standards:
G128 Guide for Control of Hazards and Risks in Oxygen
D2863 Test Method for Measuring the Minimum Oxygen
Enriched Systems
Concentration to Support Candle-Like Combustion of
G131 Practice for Cleaning of Materials and Components by
Plastics (Oxygen Index)
Ultrasonic Techniques
G63 Guide for Evaluating Nonmetallic Materials for Oxy-
G136 Practice for Determination of Soluble Residual Con-
gen Service
taminants in Materials by Ultrasonic Extraction
G72 Test Method for Autogenous Ignition Temperature of
G144 Test Method for Determination of Residual Contami-
Liquids and Solids in a High-Pressure Oxygen-Enriched nation of Materials and Components by Total Carbon
Environment
Analysis Using a High Temperature Combustion Analyzer
G74 Test Method for Ignition Sensitivity of Nonmetallic G145 Guide for Studying Fire Incidents in Oxygen Systems
Materials and Components by Gaseous Fluid Impact
G86 Test Method for Determining Ignition Sensitivity of
3. Terminology
Materials to Mechanical Impact in Ambient Liquid Oxy-
3.1 Definitions:
gen and Pressurized Liquid and Gaseous Oxygen Envi-
aging, n—the exposure of a material to stress, such stress of
ronments
which may include time, pressure, temperature, abrasion,
G88 Guide for Designing Systems for Oxygen Service
ionizing radiation, light, impact with gas or particles, tensile
G93 Practice for Cleaning Methods and Cleanliness Levels
or compressive force (either static or cyclic), or any other
for Material and Equipment Used in Oxygen-Enriched
feature that may be present individually or in combination.
Environments
G114
accelerated aging, n—a type of artificial aging whereby the
1
This terminology is under the jurisdiction of ASTM Committee G04 on
effect of prolonged exposure during service is stimulated by
Compatibility and Sensitivity of Materials in Oxygen Enriched Atmospheres and is
aging at elevated temperature. G114
the direct responsibility of Subcommittee G04.02 on Recommended Practices.
Current edition approved Dec. 15, 2016. Published January 2017. Originally
artificial aging, n—aging in which a stress variable is outside
approved in 1994. Last previous edition approved in 2008 as G126 – 00(2008).
DOI: 10.1520/G0126-16.
the domain of exposure that a material might see in a
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
component for oxygen service or in which an alternative
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
mechanism is used to produce an effect that simulates the
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. results of natural aging.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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G126 − 16
DISCUSSION—The degree of artificiality may vary on a large scale. An DISCUSSION—In practice, the control coupon is contaminated in the
example of mild artificiality is exposure of a material to a greater same manner as the test coupons and is subjected to the identical
pressure than it experiences in the use condition. An example
...
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: G126 − 00 (Reapproved 2008) G126 − 16
Standard Terminology Relating to the
Compatibility and Sensitivity of Materials in Oxygen
1
Enriched Atmospheres
This standard is issued under the fixed designation G126; 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 defines terms related to the compatibility and sensitivity of materials in oxygen enriched atmospheres. It
includes those standards under the jurisdiction of ASTM Committee G04.
1.2 The terminology concentrates on terms commonly encountered in and specific to practices and methods used to evaluate
the compatibility and sensitivity of materials in oxygen. This evaluation is usually performed in a laboratory environment, and this
terminology does not attempt to include laboratory terms.
2. Referenced Documents
2
2.1 ASTM Standards:
D2863 Test Method for Measuring the Minimum Oxygen Concentration to Support Candle-Like Combustion of Plastics
(Oxygen Index)
G63 Guide for Evaluating Nonmetallic Materials for Oxygen Service
G72 Test Method for Autogenous Ignition Temperature of Liquids and Solids in a High-Pressure Oxygen-Enriched Environment
G74 Test Method for Ignition Sensitivity of Nonmetallic Materials and Components by Gaseous Fluid Impact
G86 Test Method for Determining Ignition Sensitivity of Materials to Mechanical Impact in Ambient Liquid Oxygen and
Pressurized Liquid and Gaseous Oxygen Environments
G88 Guide for Designing Systems for Oxygen Service
G93 Practice for Cleaning Methods and Cleanliness Levels for Material and Equipment Used in Oxygen-Enriched Environments
G94 Guide for Evaluating Metals for Oxygen Service
G114 Practices for Evaluating the Age Resistance of Polymeric Materials Used in Oxygen Service
G120 Practice for Determination of Soluble Residual Contamination by Soxhlet Extraction
G121 Practice for Preparation of Contaminated Test Coupons for the Evaluation of Cleaning Agents
G122 Test Method for Evaluating the Effectiveness of Cleaning Agents
G124 Test Method for Determining the Combustion Behavior of Metallic Materials in Oxygen-Enriched Atmospheres
G125 Test Method for Measuring Liquid and Solid Material Fire Limits in Gaseous Oxidants
G127 Guide for the Selection of Cleaning Agents for Oxygen-Enriched Systems
G128 Guide for Control of Hazards and Risks in Oxygen Enriched Systems
G131 Practice for Cleaning of Materials and Components by Ultrasonic Techniques
G136 Practice for Determination of Soluble Residual Contaminants in Materials by Ultrasonic Extraction
G144 Test Method for Determination of Residual Contamination of Materials and Components by Total Carbon Analysis Using
a High Temperature Combustion Analyzer
G145 Guide for Studying Fire Incidents in Oxygen Systems
3. Terminology
3.1 Definitions:
1
This terminology is under the jurisdiction of ASTM Committee G04 on Compatibility and Sensitivity of Materials in Oxygen Enriched Atmospheres and is the direct
responsibility of Subcommittee G04.02 on Recommended Practices.
Current edition approved April 1, 2008Dec. 15, 2016. Published May 2008January 2017. Originally approved in 1994. Last previous edition approved in 20002008 as
G126 – 00.G126 – 00(2008). DOI: 10.1520/G0126-00R08.10.1520/G0126-16.
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.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
G126 − 16
autoignition temperature (AIT), n— the lowest temperature at which a material will spontaneously ignite in an oxygen-enriched
atmosphere under specific test conditions.
G63, G72, G94, G128
contaminant, n—unwanted molecular or particulate matter that could adversely affect or degrade the operation, life, or reliability
of the systems or components upon which it resides. G93, G120, G121, G131, G136, G144
contaminate, v—to make unfit for use, either intentionally or unintentionally, by introduction of a contaminant. G131, G136
contamination, n—(1) the amount of unwanted molecular or particulate matter in a system; (2) the process or condition of
...
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