ASTM A660/A660M-21
(Specification)Standard Specification for Centrifugally Cast Carbon Steel Pipe for High-Temperature Service
Standard Specification for Centrifugally Cast Carbon Steel Pipe for High-Temperature Service
ABSTRACT
This specification covers carbon steel pipe made by the centrifugal casting process intended for use in high-temperature, high-pressure service. This pipe shall be suitable for fusion welding, bending, and other forming operations. Grades for carbon steels shall conform to the required chemical composition for carbon, manganese, phosphorous, sulfur, and silicon. Manufacturing of the material shall be done by machining and heat treatment. Pyrometers shall be used to control the furnace temperatures. Tensile properties shall conform to the required values for tensile strength, elongation, and reduction of area. Mechanical properties shall conform to the following: transverse or longitudinal tension test; flattening test; and hydrostatic test.
SCOPE
1.1 This specification2 covers carbon steel pipe made by the centrifugal casting process intended for use in high-temperature, high-pressure service. Pipe ordered under this specification shall be suitable for fusion welding, bending, and other forming operations.
1.2 Several grades of carbon steels are covered. Their compositions are given in Table 1.
1.3 Supplementary requirements (S1 to S9) of an optional nature are provided. The 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 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 must be used independently of each other. Combining values from the two systems may result in nonconformance with the specification.
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.
General Information
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Standards Content (Sample)
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.
Designation:A660/A660M −21
Standard Specification for
Centrifugally Cast Carbon Steel Pipe for High-Temperature
1
Service
This standard is issued under the fixed designationA660/A660M; 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* E94/E94M Guide for Radiographic Examination Using In-
2 dustrial Radiographic Film
1.1 This specification covers carbon steel pipe made by the
E114 Practice for Ultrasonic Pulse-Echo Straight-Beam
centrifugal casting process intended for use in high-
Contact Testing
temperature, high-pressure service. Pipe ordered under this
E125 Reference Photographs for Magnetic Particle Indica-
specification shall be suitable for fusion welding, bending, and
tions on Ferrous Castings
other forming operations.
1
E186 Reference Radiographs for Heavy-Walled (2 to 4 ⁄2 in.
1.2 Several grades of carbon steels are covered. Their
(50.8 to 114 mm)) Steel Castings
compositions are given in Table 1.
E381 Method of Macroetch Testing Steel Bars, Billets,
Blooms, and Forgings
1.3 Supplementary requirements (S1 to S9) of an optional
nature are provided. The supplementary requirements call for E446 Reference Radiographs for Steel Castings Up to 2 in.
(50.8 mm) in Thickness
additional tests to be made, and when desired shall be so stated
4
in the order, together with the number of such tests required.
2.2 ANSI Standards:
B36.10 American Standard for Welded and Seamless
1.4 The values stated in either inch-pound units or SI units
Wrought Steel Pipe
are to be regarded separately as standard. Within the text, the
B46.1 Surface Texture
SI units are shown in brackets. The values stated in each
5
system are not exact equivalents; therefore, each system must
2.3 MSS Standard:
be used independently of each other. Combining values from SP-54 Quality Standard for Steel Castings for Valves,
the two systems may result in nonconformance with the
Flanges, and Fittings and Other Piping Components -
specification. Radiographic Examination Method
1.5 This international standard was developed in accor-
3. Ordering Information
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the
3.1 Orders for material under this specification should
Development of International Standards, Guides and Recom-
include the following, as required, to describe the desired
mendations issued by the World Trade Organization Technical
material adequately:
Barriers to Trade (TBT) Committee.
3.1.1 Quantity (feet, metres, or number of lengths),
3.1.2 Name of material (centrifugally cast pipe),
2. Referenced Documents
3.1.3 Grade (Table 1),
3
2.1 ASTM Standards: 3.1.4 Size (outside or inside diameter and minimum wall
thickness),
A530/A530M Specification for General Requirements for
Specialized Carbon and Alloy Steel Pipe 3.1.5 Length (specific or random), (Permissible Variations
in Length Section of Specification A530/A530M),
3.1.6 End finish (Ends Section of Specification A530/
1
This specification is under the jurisdiction ofASTM Committee A01 on Steel,
A530M),
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
3.1.7 OptionalRequirements(7.2,8.2,8.3,11.1,Section12,
A01.18 on Castings.
Current edition approved May 1, 2021. Published May 2021. Originally
and S1 to S9 (Supplementary Requirements)),
approved in 1972. Last previous edition approved in 2016 as A660/A660M – 11
(2016). DOI: 10.1520/A0660_A0660M-21.
2
For ASME Boiler and Vessel Code applications, see related Specification
4
SA-660 in Section II of that Code. Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or 4th Floor, New York, NY 10036, http://www.ansi.org.
5
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM AvailablefromManufacturersStandardizationSocietyoftheValveandFittings
Standards volume information, refer to the standard’s Document Summary page on Industry (MSS), 127 Park St., NE, Vienna, VA 22180-4602, http://www.mss-
the ASTM website. hq.com.
*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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A660/A660M−21
TABLE 1 Chemical Requirements
8.1.1 The material shall conform to the requirements as to
Composition, max, % tensi
...
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: A660/A660M − 11 (Reapproved 2016) A660/A660M − 21
Standard Specification for
Centrifugally Cast Carbon Steel Pipe for High-Temperature
1
Service
This standard is issued under the fixed designation A660/A660M; 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
1.1 This specification covers carbon steel pipe made by the centrifugal casting process intended for use in high-temperature,
high-pressure service. Pipe ordered under this specification shall be suitable for fusion welding, bending, and other forming
operations.
1.2 Several grades of carbon steels are covered. Their compositions are given in Table 1.
1.3 Supplementary requirements (S1 to S9) of an optional nature are provided. The 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 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 must be used
independently of each other. Combining values from the two systems may result in nonconformance with the specification.
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:
A530/A530M Specification for General Requirements for Specialized Carbon and Alloy Steel Pipe
E94E94/E94M Guide for Radiographic Examination Using Industrial Radiographic Film
E114 Practice for Ultrasonic Pulse-Echo Straight-Beam Contact Testing
E125 Reference Photographs for Magnetic Particle Indications on Ferrous Castings
4
E142 Method for Controlling Quality of Radiographic Testing (Withdrawn 2000)
1
E186 Reference Radiographs for Heavy-Walled (2 to 4 ⁄2 in. (50.8 to 114 mm)) Steel Castings
E381 Method of Macroetch Testing Steel Bars, Billets, Blooms, and Forgings
E446 Reference Radiographs for Steel Castings Up to 2 in. (50.8 mm) in Thickness
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 A01.18
on Castings.
Current edition approved Sept. 1, 2016May 1, 2021. Published September 2016May 2021. Originally approved in 1972. Last previous edition approved in 20112016 as
A660/A660M – 11.A660/A660M – 11 (2016). DOI: 10.1520/A0660_A0660M-11R16.10.1520/A0660_A0660M-21.
2
For ASME Boiler and Vessel Code applications, see related Specification SA-660 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.
*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 ----------------------
A660/A660M − 21
TABLE 1 Chemical Requirements
Composition, max,% max, %
Grade WCA Grade WCB Grade WCC
A B
Carbon 0.25 0.30 0.25
A B
Manganese 0.70 1.00 1.20
Phosphorus 0.035 0.035 0.035
Sulfur 0.035 0.035 0.035
Silicon 0.60 0.60 0.60
A
For each reduction of 0.01 % below the specified maximum carbon content, an
increase of 0.04 % manganese above the specified maximum will be permitted up
to a maximum of 1.10 %.
B
For each reduction of 0.01 % below the specified maximum carbon content, an
increase of 0.04 % manganese above the specified maximum will be permitted to
a maximum of 1.40 %.
4
2.2 ANSI Standards:
B36.10 American Standard for Welded and Seamless Wrought Steel Pipe
B46.1 Surface Texture
5
2.3 MSS Standards:Standard:
SP-54 Quality Standard for Steel Castings for Valves, Flanges, and Fittings and Other Piping Components - Radiographic
Examination Method
3. Ordering Information
3.1 Orders for material under this specification should include the following, as required, to describe
...
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