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ASTM F2023-03

(Test Method)

Standard Test Method for Evaluating the Oxidative Resistance of Crosslinked Polyethylene (PEX) Tubing and Systems to Hot Chlorinated Water

Standard Test Method for Evaluating the Oxidative Resistance of Crosslinked Polyethylene (PEX) Tubing and Systems to Hot Chlorinated Water

SCOPE
1.1 This test method describes the general requirements for evaluating the long-term, chlorinated water, oxidative resistance of cross-linked polyethylene (PEX) tubing produced in accordance with Specification F876 or PEX tubing/fitting systems in accordance with Specification F877 used in hot-and-cold water distribution systems by exposure to hot, chlorinated water. This test method outlines the requirements of a pressurized flow-through test system, typical test pressures, test-fluid characteristics, failure type, and data analysis.Note 1
Other known disinfecting systems (chlorine dioxide, ozone, and chloramine) are currently used for protection of potable water; however, free-chlorine is by far the most common system in use today. Disinfecting systems other than chlorine have not been evaluated by this method.
1.2 Guidelines and requirements for test temperatures, test hoop stresses, and other test criteria have been established by prior testing of PEX tubing produced by the three most common commercial methods of cross-linking: silane, peroxide, and electron-beam (see Note 2). Other related system components that typically appear in a PEX hot-and-cold water distribution system can be evaluated with the PEX tubing. When testing PEX tubing and fittings as a system, it is recommended that the anticipated end-use fitting type(s) and material(s) be included in the test circuit since it is known that some fitting types and materials can impact failure times. Specimens used shall be representative of the piping product(s) and material(s) under investigation.
Note 2--The procedures described in this test method (with some modifications of test temperatures or stresses, or both) have been used to evaluate pipes manufactured from polybutylene (PB), polyethylene (PE), polypropylene (PP), multilayer (polymer-metal composite), copper, and stainless steel.
1.3 This test method is applicable to PEX tubing and systems used for transport of potable water containing free-chlorine for disinfecting purposes. The oxidizing potential of the test-fluid specified in this test method exceeds that typically found in potable water systems across the United States.
1.4 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information purposes.
1.5 The following precautionary caveat pertains only to the test method portion, Section 12, of this specification.This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

General Information

Status
Historical
Publication Date
09-Feb-2003
ICS
83.140.30 - Plastics pipes and fittings for non fluid use
Technical Committee
F17 - Plastic Piping Systems
Drafting Committee
F17.40 - Test Methods
Current Stage
Ref Project

Relations

Replaces
ASTM F2023-00 - Standard Test Method for Evaluating the Oxidative Resistance of Crosslinked Polyethylene (PEX) Tubing and Systems to Hot Chlorinated Water
Effective Date
10-Feb-2003
Replaced By
ASTM F2023-03e1 - Standard Test Method for Evaluating the Oxidative Resistance of Crosslinked Polyethylene (PEX) Tubing and Systems to Hot Chlorinated Water
Effective Date
10-Feb-2003
Referred By
ASTM F2389-23 - Standard Specification for Pressure-rated Polypropylene (PP) Piping Systems
Effective Date
10-Feb-2003
Referred By
ASTM F3288/F3288M-20 - Standard Specification for MRS-Rated Metric- and Inch-sized Crosslinked Polyethylene (PEX) Pressure Pipe
Effective Date
10-Feb-2003
Referred By
ASTM F3378/F3378M-22 - Standard Specification for Crosslinkable Polyethylene (CX-PE) Pipe
Effective Date
10-Feb-2003
Referred By
ASTM F2769-23a - Standard Specification for Polyethylene of Raised Temperature (PE-RT) Plastic Hot and Cold-Water Tubing and Distribution Systems
Effective Date
10-Feb-2003
Referred By
ASTM F3497-21 - Standard Test Method for Evaluating the Oxidative Resistance of Polypropylene (PP) Piping Systems to Hot Chlorinated Water
Effective Date
10-Feb-2003
Referred By
ASTM F2854-21 - Standard Specification for Push-Fit Crosslinked Polyethylene (PEX) Mechanical Fittings for Crosslinked Polyethylene (PEX) Tubing
Effective Date
10-Feb-2003
Referred By
ASTM F876-23 - Standard Specification for Crosslinked Polyethylene (PEX) Tubing
Effective Date
10-Feb-2003
Referred By
ASTM F2657-21 - Standard Test Method for Outdoor Weathering Exposure of Crosslinked Polyethylene (PEX) Tubing
Effective Date
10-Feb-2003
Referred By
ASTM F2788/F2788M-21 - Standard Specification for Metric and Inch-sized Crosslinked Polyethylene (PEX) Pipe
Effective Date
10-Feb-2003
Referred By
ASTM F3253-23 - Standard Specification for Crosslinked Polyethylene (PEX) Tubing with Oxygen Barrier for Hot- and Cold-Water Hydronic Distribution Systems
Effective Date
10-Feb-2003

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ASTM F2023-03 - Standard Test Method for Evaluating the Oxidative Resistance of Crosslinked Polyethylene (PEX) Tubing and Systems to Hot Chlorinated WaterASTM F2023-03 - Standard Test Method for Evaluating the Oxidative Resistance of Crosslinked Polyethylene (PEX) Tubing and Systems to Hot Chlorinated Water
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ASTM F2023-03 - Standard Test Method for Evaluating the Oxidative Resistance of Crosslinked Polyethylene (PEX) Tubing and Systems to Hot Chlorinated Water
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Please contact ASTM International (www.astm.org) for the latest information.
An American National Standard
Designation:F2023–03
Standard Test Method for
Evaluating the Oxidative Resistance of Crosslinked
Polyethylene (PEX) Tubing and Systems to Hot Chlorinated
1
Water
This standard is issued under the fixed designation F 2023; 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 (ϵ) indicates an editorial change since the last revision or reapproval.
1. Scope chlorine for disinfecting purposes. The oxidizing potential of
thetest-fluidspecifiedinthistestmethodexceedsthattypically
1.1 This test method describes the general requirements for
found in potable water systems across the United States.
evaluating the long-term, chlorinated water, oxidative resis-
1.4 The values stated in inch-pound units are to be regarded
tance of cross-linked polyethylene (PEX) tubing produced in
as the standard. The values given in parentheses are for
accordance with Specification F 876F 876 or PEX tubing/
information purposes.
fitting systems in accordance with Specification F 877F 877
1.5 The following precautionary caveat pertains only to the
used in hot-and-cold water distribution systems by exposure to
test method portion, Section 12, of this specification.This
hot, chlorinated water. This test method outlines the require-
standard does not purport to address all of the safety concerns,
ments of a pressurized flow-through test system, typical test
if any, associated with its use. It is the responsibility of the user
pressures, test-fluid characteristics, failure type, and data
of this standard to establish appropriate safety and health
analysis.
practices and determine the applicability of regulatory limita-
NOTE 1—Other known disinfecting systems (chlorine dioxide, ozone,
tions prior to use.
and chloramine) are currently used for protection of potable water;
however, free-chlorine is by far the most common system in use today.
2. Referenced Documents
Disinfecting systems other than chlorine have not been evaluated by this
2.1 ASTM Standards:
method.
D 1600 Terminology for Abbreviated Terms Relating to
1.2 Guidelines and requirements for test temperatures, test
2
Plastics
hoop stresses, and other test criteria have been established by
D 2122 Test Method for Determining Dimensions of Ther-
prior testing of PEX tubing produced by the three most
3
moplastic Pipe and Fittings
common commercial methods of cross-linking: silane, perox-
E 177 Practice for Use of the Terms Precision and Bias in
ide, and electron-beam (see Note 2). Other related system
4
ASTM Test Methods
components that typically appear in a PEX hot-and-cold water
3
F 412 Terminology Relating to Plastic Piping Systems
distribution system can be evaluated with the PEX tubing.
F 876 Specification for Cross-linked Polyethylene (PEX)
When testing PEX tubing and fittings as a system, it is
3
Tubing
recommended that the anticipated end-use fitting type(s) and
F 877 Specification for Cross-linked Polyethylene (PEX)
material(s) be included in the test circuit since it is known that
3
Plastic Hot- and Cold-Water Distribution Systems
some fitting types and materials can impact failure times.
F 948 Test Method for Time-to-Failure of Plastic Piping
Specimensusedshallberepresentativeofthepipingproduct(s)
Systems and Components Under Constant Internal Pres-
and material(s) under investigation.
3
sure With Flow
NOTE 2—The procedures described in this test method (with some
2.2 ISO Standards:
modifications of test temperatures or stresses, or both) have been used to
ISO 9080 Thermoplastic Pipe for Transport of Fluids—
evaluate pipes manufactured from polybutylene (PB), polyethylene (PE),
Methods of Extrapolation of Hydrostatic Stress Rupture
polypropylene (PP), multilayer (polymer-metal composite), copper, and
Data to Determine the Long Term Strength of Thermo-
stainless steel.
5
plastic Pipe
1.3 This test method is applicable to PEX tubing and
ISO 13760 Plastic Pipe for the Conveyance of Fluids Under
systems used for transport of potable water containing free-
1 2
This test method is under the jurisdiction of ASTM Committee F17 on Plastic Annual Book of ASTM Standards, Vol 08.01.
3
Piping Systems and is the direct responsibility of Subcommittee F17.40 on Test Annual Book of ASTM Standards, Vol 08.04.
4
Methods. Annual Book of ASTM Standards, Vol 14.02.
5
Current edition approved Feb. 10, 2003. Published April 2003. Originally Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
published as F 2023 – 00. Last previous edition F 2023 – 00. 4th Floor, New York, NY 10036.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

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1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.5 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.

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ASTM
ASTM B472-23(Specification)
Standard Specification for Nickel Alloy Billets and Bars for Reforging

ABSTRACT
This specification covers UNS N06002, UNS N06030, UNS N06035, UNS N06022, UNS N06200, UNS N06230, UNS N06600, UNS N06617, UNS N06625, UNS N08020, UNS N08026, UNS N08024, UNS N08120, UNS N08926, UNS N08367, UNS N10242, UNS N10276, UNS N10665, UNS N10675, UNS N12160, UNS R20033, UNS N06059, UNS N06686, UNS N10629, UNS N08031, UNS N06045, UNS N06025, and UNS R30556 nickel alloy billets and bars for reforging. The products shall be hot worked from ingots by rolling, forging, extruding, hammering, or pressing. The material shall conform to the chemical composition requirements prescribed by the reference material. The chemical composition of the material shall be determined by chemical analysis in accordance with test method E1473.
SCOPE
1.1 This specification covers UNS N06002, UNS N06030, UNS N06035, UNS N06022, UNS N06200, UNS N10362, UNS N06230, UNS N06600, UNS N06617, UNS N06625, UNS N08020, UNS N08026, UNS N08024, UNS N08120, UNS N08926, UNS N08367, UNS N10242, UNS N10276, UNS N10665, UNS N10675, UNS N12160, UNS R20033, UNS N06059, UNS N06686, UNS N10629, UNS N08031, UNS N06045, UNS N06025, UNS N06699, and UNS R305562 billets and bars for reforging.  
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to become familiar with all hazards including those identified in the appropriate Safety Data Sheet (SDS) for this product/material as provided by the manufacturer, to establish appropriate safety, health, and environmental practices, and determine the applicability of regulatory limitations prior to use.  
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.

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