ASTM A733-15
(Specification)Standard Specification for Welded and Seamless Carbon Steel and Austenitic Stainless Steel Pipe Nipples
Standard Specification for Welded and Seamless Carbon Steel and Austenitic Stainless Steel Pipe Nipples
ABSTRACT
This specification covers welded and seamless carbon steel and austenitic stainless steel pipe nipples. The mechanical requirements stated that, pipe nipples shall be made from new, hydrostatic tested or NDE-tested pipe, pipe and nipples shall be threaded on both ends with NPT taper pipe threads. The standard and special lengths and sizes of nipples are presented. Galvanized nipples ordered under this specification shall be made from pipe coated on the inside and outside by the hot dip process. Samples of nipples sufficient to determine their conformance with the requirements of this specification shall be taken at random for each lot of nipples of the same pipe size, length, and material, also, samples shall be inspected to determine their conformance with the dimensional requirements, including thread dimensions.
SCOPE
1.1 This specification covers the requirements for welded and seamless carbon steel pipe nipples, black and zinc-coated (hot-dip galvanized), and welded and seamless austenitic stainless steel pipe nipples in standard steel pipe sizes from 1/8 to 12 in. inclusive, in standard or special lengths.
1.1.1 Welded Carbon Steel—Pipe nipples ordered under these requirements are intended for general uses, as described by Specification A53/A53M or for low-temperature service as described by Specification A333/A333M.
1.1.2 Seamless Carbon Steel—Pipe nipples ordered under these requirements are intended for general and special uses, as described by the applicable Specifications A53/A53M and A106/A106M or for low temperature service as described by Specification A333/A333M (see 4.1.1).
1.1.3 Austenitic Stainless Steel—Pipe nipples ordered under these requirements are intended for high-temperature and general corrosion service, as described by Specification A312/A312M (see 4.1.2).
1.1.4 The text for this specification contains notes or footnotes, or both, that provide explanatory material. Such notes and footnotes, excluding those in tables, do not contain any mandatory language.
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.
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Designation:A733 −15
Standard Specification for
Welded and Seamless Carbon Steel and Austenitic Stainless
1
Steel Pipe Nipples
This standard is issued under the fixed designation A733; 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.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope* Dipped, Zinc-Coated, Welded and Seamless
A106/A106M Specification for Seamless Carbon Steel Pipe
1.1 This specification covers the requirements for welded
for High-Temperature Service
and seamless carbon steel pipe nipples, black and zinc-coated
A312/A312M Specification for Seamless, Welded, and
(hot-dip galvanized), and welded and seamless austenitic
Heavily Cold Worked Austenitic Stainless Steel Pipes
1
stainless steel pipe nipples in standard steel pipe sizes from ⁄8
A333/A333M Specification for Seamless and Welded Steel
to 12 in. inclusive, in standard or special lengths.
PipeforLow-TemperatureServiceandOtherApplications
1.1.1 Welded Carbon Steel—Pipe nipples ordered under
with Required Notch Toughness
these requirements are intended for general uses, as described
3
2.2 American National Standards Institute Standards:
by Specification A53/A53M or for low-temperature service as
B1.20.1 Pipe Threads, General Purpose
described by Specification A333/A333M.
B36.10 Standard for Welded and Seamless Wrought Steel
1.1.2 Seamless Carbon Steel—Pipe nipples ordered under
Pipe
theserequirementsareintendedforgeneralandspecialuses,as
B36.19 Standard for Stainless Steel Pipe
described by the applicable Specifications A53/A53M and
A106/A106M or for low temperature service as described by
3. Ordering Information
Specification A333/A333M (see 4.1.1).
1.1.3 Austenitic Stainless Steel—Pipe nipples ordered under
3.1 Information items to be considered, if appropriate, for
these requirements are intended for high-temperature and
inclusion in purchase orders are as follows:
general corrosion service, as described by Specification A312/
3.1.1 Quantity (pieces),
A312M (see 4.1.2).
3.1.2 Name of material (carbon steel or austenitic stainless
1.1.4 The text for this specification contains notes or
steel pipe nipples) (see 4.1.1 and 4.1.2),
footnotes, or both, that provide explanatory material. Such
3.1.2.1 Carbon steel applications should identify low-
notes and footnotes, excluding those in tables, do not contain
temperature or high-temperature service, if applicable.
any mandatory language.
3.1.3 Method of pipe manufacture (continuous-welded,
electric-resistance welded, or seamless) (see 4.1.1, Note 1),
1.2 The values stated in inch-pound units are to be regarded
3.1.4 Type and grade (if stainless steel),
as standard. The values given in parentheses are mathematical
3.1.5 Finish (carbon steel, black or galvanized),
conversions to SI units that are provided for information only
3.1.6 Size (nominal and weight class or schedule number as
and are not considered standard.
shown in Table 1, or outside diameter and nominal wall),
2. Referenced Documents 3.1.7 Length (standard or special, see 4.3),
2 3.1.8 Specification number,
2.1 ASTM Standards:
3.1.9 Certification of compliance, if required, and
A53/A53M Specification for Pipe, Steel, Black and Hot-
3.1.10 Special requirements or exceptions to this specifica-
tion.
1
This specification is under the jurisdiction ofASTM Committee A01 on Steel,
3.2 In addition, when material is purchased for agencies of
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
the U.S. Government, it shall conform to the Supplementary
A01.09 on Carbon Steel Tubular Products.
Requirements as defined herein when specified in the contract
Current edition approved Sept. 1, 2015. Published September 2015. Originally
approved in 1976. Last previous edition approved in 2013 as A733 – 13. DOI:
or purchase order.
10.1520/A0733-15.
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
3
Standards volume information, refer to the standard’s Document Summary page on Available from American National Standards Institute (ANSI), 25 W. 43rd St.,
the ASTM website. 4th Floor, New York, NY 10036, http://www.ansi.org.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
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A733−15
TABLE 1 Pipe Nipple Sizes According to Weight of Nominal Pipe
Method of Pipe Manufacture Specification
AB
Sizes
Welded (Note 1) A5
...
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: A733 − 13 A733 − 15
Standard Specification for
Welded and Seamless Carbon Steel and Austenitic Stainless
1
Steel Pipe Nipples
This standard is issued under the fixed designation A733; 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.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope*
1.1 This specification covers the requirements for welded and seamless carbon steel pipe nipples, black and zinc-coated (hot-dip
1
galvanized), and welded and seamless austenitic stainless steel pipe nipples in standard steel pipe sizes from ⁄8 to 12 in. inclusive,
in standard or special lengths.
1.1.1 Welded Carbon Steel—Pipe nipples ordered under these requirements are intended for general uses, as described by
Specification A53/A53M or for low-temperature service as described by Specification A333/A333M.
1.1.2 Seamless Carbon Steel—Pipe nipples ordered under these requirements are intended for general and special uses, as
described by the applicable Specifications A53/A53M and A106/A106M or for low temperature service as described by
Specification A333/A333M (see 4.1.1).
1.1.3 Austenitic Stainless Steel—Pipe nipples ordered under these requirements are intended for high-temperature and general
corrosion service, as described by Specification A312/A312M (see 4.1.2).
1.1.4 The text for this specification contains notes and/or footnotes or footnotes, or both, that provide explanatory material. Such
notes and footnotes, excluding those in tables, do not contain any mandatory language.
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.
2. Referenced Documents
2
2.1 ASTM Standards:
A53/A53M Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless
A106/A106M Specification for Seamless Carbon Steel Pipe for High-Temperature Service
A312/A312M Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
A333/A333M Specification for Seamless and Welded Steel Pipe for Low-Temperature Service and Other Applications with
Required Notch Toughness
3
2.2 American National Standards Institute Standards:
B1.20.1 Pipe Threads, General Purpose
B36.10 Standard for Welded and Seamless Wrought Steel Pipe
B36.19 Standard for Stainless Steel Pipe
3. Ordering Information
3.1 Information items to be considered, if appropriate, for inclusion in purchase orders are as follows:
3.1.1 Quantity (pieces),
3.1.2 Name of material (carbon steel or austenitic stainless steel pipe nipples) (see 4.1.1 and 4.1.2),
3.1.2.1 Carbon steel applications should identify low-temperature or high-temperature service, if applicable.
3.1.3 Method of pipe manufacture (continuous-welded, electric-resistance welded, or seamless).seamless) (see 4.1.1, Note 1),
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel, Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee A01.09
on Carbon Steel Tubular Products.
Current edition approved Oct. 1, 2013Sept. 1, 2015. Published October 2013September 2015. Originally approved in 1976. Last previous edition approved in 20032013
ε1
as A733 – 03 (2009)A733 – 13. . DOI: 10.1520/A0733-13.10.1520/A0733-15.
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.
3
Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
A733 − 15
3.1.4 Type and grade (if stainless steel),
3.1.5 Finish (carbon steel, black or galvanized),
3.1.6 Size (nominal and weight class or schedule number as shown in Table 1, or outside diameter and nominal wall),
3.1.7 Length (standard or special, see 4.3),
3.1.8 Specification number,
3.1.9 Certification of compliance, if required
...
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