ASTM A369/A369M-18
(Specification)Standard Specification for Carbon and Ferritic Alloy Steel Forged and Bored Pipe for High-Temperature Service
Standard Specification for Carbon and Ferritic Alloy Steel Forged and Bored Pipe for High-Temperature Service
ABSTRACT
This guide specifies standard specification for heavy-wall carbon and alloy steel pipe made from turned and bored forgings and is intended for high-temperature service. Heat and product analysis shall be conducted on several grades of ferritic steels, wherein the material shall conform to the required chemical composition for carbon, manganese, phosphorus, sulfur, silicon, chromium, and molybdenum. The steel pipe shall conform to the required tensile properties like tensile strength, yield strength, and elongation. Required mechanical tests for the steel pipe include transverse or longitudinal tension test, flattening test, and bend test.
SCOPE
1.1 This specification2 covers heavy-wall carbon and alloy steel pipe (Note 1) made from turned and bored forgings and is intended for high-temperature service. Pipe ordered under this specification shall be suitable for bending and other forming operations and for fusion welding. Selection will depend on design, service conditions, mechanical properties and high-temperature characteristics.
Note 1: The use of the word “pipe” throughout the several sections of this specification is used in the broad sense and intended to mean pipe headers, or leads.
Note 2: The dimensionless designator NPS (nominal pipe size) has been substituted in this standard for such traditional terms as “nominal diameter,” “size,” and “nominal size.”
1.2 Several grades of ferritic steels are covered. Their compositions are given in Table 1. (A) Applies to both heat and product analyses.
1.3 Supplementary requirements (S1 to S6) of an optional nature are provided. These supplementary requirements call for additional tests to be made, and when desired shall be so stated in the order, together with the number of such tests required.
1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. The inch-pound units shall apply unless the “M” designation of this specification is specified in the order.
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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Designation:A369/A369M −18
Standard Specification for
Carbon and Ferritic Alloy Steel Forged and Bored Pipe for
1
High-Temperature Service
This standard is issued under the fixed designationA369/A369M; 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* 2. Referenced Documents
2 3
1.1 This specification covers heavy-wall carbon and alloy 2.1 ASTM Standards:
steel pipe (Note 1) made from turned and bored forgings and is A999/A999M Specification for General Requirements for
intended for high-temperature service. Pipe ordered under this Alloy and Stainless Steel Pipe
specification shall be suitable for bending and other forming E290 Test Methods for Bend Testing of Material for Ductil-
operations and for fusion welding. Selection will depend on ity
design, service conditions, mechanical properties and high- E381 Method of Macroetch Testing Steel Bars, Billets,
temperature characteristics. Blooms, and Forgings
4
2.2 ASME Boiler and Pressure Vessel Code:
NOTE 1—The use of the word “pipe” throughout the several sections of
Section IX
this specification is used in the broad sense and intended to mean pipe
5
headers, or leads. 2.3 ANSI Standard:
NOTE 2—The dimensionless designator NPS (nominal pipe size) has
B 46.1 Surface Texture
been substituted in this standard for such traditional terms as “nominal 6
2.4 AWS Specifications:
diameter,” “size,” and “nominal size.”
A5.5/A5.5M Specification for Low-Alloy Steel Electrodes
1.2 Several grades of ferritic steels are covered. Their
for Shielded Metal Arc Welding
compositions are given in Table 1.
A5.23/A5.23M Specification for Low-Alloy Steel Elec-
trodes and Fluxes for Submerged Arc Welding
1.3 Supplementary requirements (S1 to S6) of an optional
natureareprovided.Thesesupplementaryrequirementscallfor A5.28/A5.28M Specification for Low-Alloy Steel Elec-
trodes for Gas Shielded Arc Welding
additional tests to be made, and when desired shall be so stated
in the order, together with the number of such tests required. A5.29/A5.29M Low-Alloy Steel Electrodes for Flux Cored
Arc Welding
1.4 The values stated in either SI units or inch-pound units
are to be regarded separately as standard. Within the text, the
3. Ordering Information
SI units are shown in brackets. The values stated in each
3.1 Orders for material to this specification should include
system may not be exact equivalents; therefore, each system
the following, as required, to describe the desired material
shall be used independently of the other. Combining values
adequately:
from the two systems may result in non-conformance with the
3.1.1 Quantity (feet, centimetres, or number of lengths),
standard. The inch-pound units shall apply unless the “M”
3.1.2 Name of material (forged and bored pipe),
designation of this specification is specified in the order.
3.1.3 Grade (Table 1),
1.5 This international standard was developed in accor-
3.1.4 Size (inside diameter and minimum wall thickness),
dance with internationally recognized principles on standard-
3.1.5 Length (Permissible Variations in Length Section of
ization established in the Decision on Principles for the
Specification A999/A999M),
Development of International Standards, Guides and Recom-
mendations issued by the World Trade Organization Technical
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Barriers to Trade (TBT) Committee.
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
1
This specification is under the jurisdiction ofASTM Committee A01 on Steel, the ASTM website.
4
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee Available from American Society of Mechanical Engineers (ASME), ASME
A01.10 on Stainless and Alloy Steel Tubular Products. International Headquarters, Two Park Ave., New York, NY 10016-5990, http://
Current edition approved March 1, 2018. Published March 2018. Originally www.asme.org.
5
approved in 1953. Last previous edition approved in 2016 as A369/A369M – 11 Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
(2016). DOI: 10.1520/A0369_A0369M-18. 4th Floor, New York, NY 10036, http://www.ansi.org.
6
2
For ASME Boiler and Pressure Vessel Code applications see related Specifi- Available from American Welding Society (AWS), 550 NW LeJeune Rd.,
cation SA-369 in Section II of that Code. Miami, FL 33126, http://www.aws.org.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700,
...
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: A369/A369M − 11 (Reapproved 2016) A369/A369M − 18
Standard Specification for
Carbon and Ferritic Alloy Steel Forged and Bored Pipe for
1
High-Temperature Service
This standard is issued under the fixed designation A369/A369M; 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 Scope*
2
1.1 This specification covers heavy-wall carbon and alloy steel pipe (Note 1) made from turned and bored forgings and is
intended for high-temperature service. Pipe ordered under this specification shall be suitable for bending and other forming
operations and for fusion welding. Selection will depend on design, service conditions, mechanical properties and high-temperature
characteristics.
NOTE 1—The use of the word “pipe” throughout the several sections of this specification is used in the broad sense and intended to mean pipe headers,
or leads.
NOTE 2—The dimensionless designator NPS (nominal pipe size) has been substituted in this standard for such traditional terms as “nominal diameter,”
“size,” and “nominal size.”
1.2 Several grades of ferritic steels are covered. Their compositions are given in Table 1.
1.3 Supplementary requirements (S1 to S6) of an optional nature are provided. These supplementary requirements call for
additional tests to be made, and when desired shall be so stated in the order, together with the number of such tests required.
1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, the SI units
are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used
independently of the other. Combining values from the two systems may result in non-conformance with the standard. The
inch-pound units shall apply unless the “M” designation of this specification is specified in the order.
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.
2. Referenced Documents
3
2.1 ASTM Standards:
A999/A999M Specification for General Requirements for Alloy and Stainless Steel Pipe
E290 Test Methods for Bend Testing of Material for Ductility
E381 Method of Macroetch Testing Steel Bars, Billets, Blooms, and Forgings
4
2.2 ASME Boiler and Pressure Vessel Code:
Section IX
5
2.3 ANSI Standard:
B 46.1 Surface Texture
6
2.4 AWS Specifications:
A5.5/A5.5M Specification for Low-Alloy Steel Electrodes for Shielded Metal Arc Welding
A5.23/A5.23M Specification for Low-Alloy Steel Electrodes and Fluxes for Submerged Arc Welding
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 A01.10
on Stainless and Alloy Steel Tubular Products.
Current edition approved Sept. 1, 2016March 1, 2018. Published September 2016March 2018. Originally approved in 1953. Last previous edition approved in 20112016
as A369/A369M – 11.A369/A369M – 11 (2016). DOI: 10.1520/A0369_A0369M-11R16.10.1520/A0369_A0369M-18.
2
For ASME Boiler and Pressure Vessel Code applications see related Specification SA-369 in Section II of that Code.
3
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.
4
Available from American Society of Mechanical Engineers (ASME), ASME International Headquarters, Two Park Ave., New York, NY 10016-5990, http://
www.asme.org.
5
Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.
6
Available from American Welding Society (AWS), 550 NW LeJeune Rd., Miami, FL 33126, http://www.aws.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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A369/A369M − 18
TABLE 1 Chemical Requirements
Grade Composition, %
FPA FPB FP1 FP2
...
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