ASTM A999/A999M-04
(Specification)Standard Specification for General Requirements for Alloy and Stainless Steel Pipe
Standard Specification for General Requirements for Alloy and Stainless Steel Pipe
SCOPE
1.1 This specification covers a group of general requirements that, unless otherwise specified in an individual specification, shall apply to the ASTM product specifications noted below.
1.2 In the case of conflict between a requirement of a product specification and a requirement of this specification, the product specification shall prevail. In the case of conflict between a requirement of the product specification or a requirement of this specification and a more stringent requirement of the purchase order, the purchase order shall prevail.
Title of SpecificationASTM Desig-nationSeamless and Welded Austenitic Stainless Steel PipesA 312/A 312MSeamless and Welded Steel Pipe for Low-Temperature ServiceA 333/A 333MSeamless Ferritic Alloy-Steel Pipe for High Temperature ServiceA 335/A 335MElectric-Fusion-Welded Austenitic Chromium-Nickel Alloy Steel Pipe for High-Temperature ServiceA 358/A 358MCarbon and Ferritic Alloy Steel Forged and Bored Pipe for High-Temperature ServiceA 369/A 369MSeamless Austenitic Steel Pipe for Use With High Temperature Central-Station ServiceA 376/A 376MWelded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature ServiceA 409/A 409MWelded, Unannealed Austenitic Stainless Steel Tubular ProductsA 778Seamless and Welded Ferritic/AusteniticStainless Steel PipeA 790/A 790MSingle- or Double-Welded Austenitic Stainless Steel PipeA 813/A 813MCold-Worked Welded Austenitic Stainless Steel PipeA 814/A 814MFerritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler MetalA 928/A 928MSpray-Formed Seamless Austenitic Stainless Steel PipeA 943/A 943MSpray-Formed Seamless Ferritic/Austenitic Stainless Steel PipeA 949/A 949MAustenitic Chromium-Nickel-Silicon Alloy Steel Seamless and Welded PipeA 954
1.3 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore each system is to be used independently of the other without combining values in any way. The inch-pound units apply unless the "M" designation (SI) of the product specification is specified in the order.
Note 1—The dimensionless designator NPS (nominal pipe size) is used in this standard for such traditional terms as "nominal diameter," "size," " nominal bore," and "nominal size."
1.4 The following precautionary statement pertains only to the test method portion, Section 21, 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.
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Designation: A 999/A 999M – 04
Standard Specification for
1
General Requirements for Alloy and Stainless Steel Pipe
This standard is issued under the fixed designation A 999/A 999M; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope* SI units are shown in brackets. The values stated in each
2 system are not exact equivalents; therefore each system is to be
1.1 This specification covers a group of general require-
used independently of the other without combining values in
ments that, unless otherwise specified in an individual speci-
any way. The inch-pound units apply unless the “M” designa-
fication, shall apply to the ASTM product specifications noted
tion (SI) of the product specification is specified in the order.
below.
1.2 In the case of conflict between a requirement of a
NOTE 1—The dimensionless designator NPS (nominal pipe size) is
product specification and a requirement of this specification, used in this standard for such traditional terms as “nominal diameter,”
“size,” “ nominal bore,” and “nominal size.”
the product specification shall prevail. In the case of conflict
between a requirement of the product specification or a
1.4 The following precautionary statement pertains only to
requirement of this specification and a more stringent require-
the test method portion, Section 21, of this specification: This
ment of the purchase order, the purchase order shall prevail.
standard does not purport to address all of the safety concerns,
Title of Specification ASTM Desig-
if any, associated with its use. It is the responsibility of the user
3
nation
of this standard to establish appropriate safety and health
practices and determine the applicability of regulatory limita-
Seamless and Welded Austenitic Stainless Steel Pipes A 312/A 312M
Seamless and Welded Steel Pipe for Low-Temperature A 333/A 333M
tions prior to use.
Service
Seamless Ferritic Alloy-Steel Pipe for High Temperature A 335/A 335M
2. Referenced Documents
Service
4
Electric-Fusion-Welded Austenitic Chromium-Nickel Alloy A 358/A 358M
2.1 ASTM Standards:
Steel Pipe for High-Temperature Service
A 312/A 312M Specification for Seamless and Welded Aus-
Carbon and Ferritic Alloy Steel Forged and Bored Pipe for A 369/A 369M
tenitic Stainless Steel Pipes
High-Temperature Service
Seamless Austenitic Steel Pipe for Use With High A 376/A 376M
A 333/A 333M Specification for Seamless and Welded
Temperature Central-Station Service
Steel Pipe for Low-Temperature Service
Welded Large Diameter Austenitic Steel Pipe for Corrosive A 409/A 409M
A 335/A 335M Specification for Seamless Ferritic Alloy-
or High-Temperature Service
Welded, Unannealed Austenitic Stainless Steel Tubular A 778
Steel Pipe for High-Temperature Service
Products
A 358/A 358M Specification for Electric-Fusion-Welded
Seamless and Welded Ferritic/Austenitic A 790/A 790M
Stainless Steel Pipe Austenitic Chromium-Nickel Stainless Steel Pipe for
Single- or Double-Welded Austenitic Stainless Steel Pipe A 813/A 813M
High-Temperature Service and General Applications
Cold-Worked Welded Austenitic Stainless Steel Pipe A 814/A 814M
A 369/A 369M Specification for Carbon and Ferritic Alloy
Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric A 928/A 928M
Fusion Welded with Addition of Filler Metal Steel Forged and Bored Pipe for High-Temperature Ser-
Spray-Formed Seamless Austenitic Stainless Steel Pipe A 943/A 943M
vice
Spray-Formed Seamless Ferritic/Austenitic Stainless Steel A 949/A 949M
A 370 Test Methods and Definitions for Mechanical Testing
Pipe
Austenitic Chromium-Nickel-Silicon Alloy Steel Seamless A 954
of Steel Products
and Welded Pipe
A 376/A 376M Specification for Seamless Austenitic Steel
Pipe for High-Temperature Central-Station Service
1.3 The values stated in either inch-pound units or SI units
A 409/A 409M Specification for Welded Large Diameter
are to be regarded separately as standard. Within the text, the
Austenitic Steel Pipe for Corrosive or High-Temperature
Service
1 A 700 Practices for Packaging, Marking, and Loading
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
Stainless Steel, and Related Alloys and is the direct responsibility of Subcommittee Methods for Steel Products for Domestic Shipment
A01.10 on Alloy Steel Tubular Products.
Current edition approved May 1, 2004. Published June 2004. Originally
approved in 1998. Last previous edition approved in A 999/A 999M – 01.
2
4
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 t
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