ASTM A999/A999M-12

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation:A999/A999M −12
StandardSpecification for
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General Requirements for Alloy and Stainless Steel Pipe
This standard is issued under the fixed designationA999/A999M; the number immediately following the designation indicates the year
of original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.
A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope*
Centrifugally Cast Ferritic/Austenitic Stainless Steel Pipe A872/A872M
for Corrosive Environments
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1.1 This specification covers a group of general require-
Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric A928/A928M
ments that, unless otherwise specified in an individual Fusion Welded with Addition of Filler Metal
Spray-Formed Seamless Austenitic Stainless Steel Pipe A943/A943M
specification, shall apply to the ASTM product specifications
Spray-Formed Seamless Ferritic/Austenitic Stainless Steel A949/A949M
noted below.
Pipe
Austenitic Chromium-Nickel-Silicon Alloy Steel Seamless A954
1.2 In the case of conflict between a requirement of a
and Welded Pipe
product specification and a requirement of this specification,
1.3 The values stated in either SI units or inch-pound units
the product specification shall prevail. In the case of conflict
are to be regarded separately as standard. Within the text, the
between a requirement of the product specification or a
SI units are shown in brackets. The values stated in each
requirement of this specification and a more stringent require-
system may not be exact equivalents; therefore, each system
ment of the purchase order, the purchase order shall prevail.
shall be used independently of the other. Combining values
Title of Specification ASTM Desig-
from the two systems may result in non-conformance with the
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nation
standard. The inch-pound units apply unless the “M” designa-
Seamless and Welded Austenitic Stainless Steel Pipes A312/A312M
tion (SI) of the product specification is specified in the order.
Seamless and Welded Steel Pipe for Low-Temperature A333/A333M
Service
NOTE1—ThedimensionlessdesignatorNPS(nominalpipesize)isused
Seamless Ferritic Alloy-Steel Pipe for High Temperature A335/A335M
in this standard for such traditional terms as “nominal diameter,” “size,”
Service
“ nominal bore,” and “nominal size.”
Electric-Fusion-Welded Austenitic Chromium-Nickel Alloy A358/A358M
1.4 The following precautionary statement pertains only to
Steel Pipe for High-Temperature Service
Carbon and Ferritic Alloy Steel Forged and Bored Pipe for A369/A369M
the test method portion, Section 22, of this specification: This
High-Temperature Service
standard does not purport to address all of the safety concerns,
Seamless Austenitic Steel Pipe for Use With High A376/A376M
Temperature Central-Station Service if any, associated with its use. It is the responsibility of the user
Welded Large Diameter Austenitic Steel Pipe for Corrosive A409/A409M
of this standard to establish appropriate safety and health
or High-Temperature Service
practices and determine the applicability of regulatory limita-
Centrifugally Cast Ferritic Alloy Steel Pipe for High- A426/A426M
Temperature Service tions prior to use.
Centrifugally Cast Austenitic Steel Pipe for High- A451/A451M
Temperature Service
2. Referenced Documents
Centrifugally Cast Iron-Chromium-Nickel High-Alloy A608/A608M
Tubing for Pressure Application at High 4
2.1 ASTM Standards:
Temperatures
A312/A312M Specification for Seamless, Welded, and
Welded, Unannealed Austenitic Stainless Steel Tubular A778
Products
Heavily Cold Worked Austenitic Stainless Steel Pipes
Seamless and Welded Ferritic/Austenitic A790/A790M
A333/A333MSpecification for Seamless and Welded Steel
Stainless Steel Pipe
Pipe for Low-Temperature Service
Single- or Double-Welded Austenitic Stainless Steel Pipe A813/A813M
Cold-Worked Welded Austenitic Stainless Steel Pipe A814/A814M
A335/A335MSpecification for Seamless Ferritic Alloy-
Steel Pipe for High-Temperature Service
A358/A358M Specification for Electric-Fusion-Welded
Austenitic Chromium-Nickel Stainless Steel Pipe for
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This specification is under the jurisdiction ofASTM Committee A01 on Steel,
High-Temperature Service and General Applications
Stainless Steel and RelatedAlloys and is the direct responsibility of Subcommittee
A01.10 on Stainless and Alloy Steel Tubular Products. A369/A369MSpecification for Carbon and Ferritic Alloy
Current edition approved May 1, 2012. Published June 2012. Originally
approved in 1998. Last previous edition approved in 2011 as A999/A999M–11.
DOI: 10.1520/A0999_A0999M-12.
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For ASME Boiler and Pressure Vessel Code applications see related Specifi- For referenced ASTM standards, visit the ASTM website, www.astm.org, or
cation SA 999 in Section II of that Code. contact
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