ASTM A426/A426M-13
(Specification)Standard Specification for Centrifugally Cast Ferritic Alloy Steel Pipe for High-Temperature Service
Standard Specification for Centrifugally Cast Ferritic Alloy Steel Pipe for High-Temperature Service
SCOPE
1.1 This specification2 covers centrifugally cast alloy steel pipe intended for use in high-temperature, high-pressure service.
1.2 Several grades of ferritic steels are covered. Their compositions are given in Table 1.
1.3 Supplementary Requirements S1 through S12 are provided. The supplementary requirements provide for additional tests of an optional nature and when desired shall be so stated in the order (Section 4).
1.4 The values stated in either inch-pound units or SI units are to be regarded separately as standard. 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.
1.4.1 Within the text, the SI units are shown in brackets.
1.5 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:A426/A426M −13
Standard Specification for
Centrifugally Cast Ferritic Alloy Steel Pipe for High-
1
Temperature Service
This standard is issued under the fixed designationA426/A426M; 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* A941 TerminologyRelatingtoSteel,StainlessSteel,Related
2 Alloys, and Ferroalloys
1.1 This specification covers centrifugally cast alloy steel
A999/A999M Specification for General Requirements for
pipe intended for use in high-temperature, high-pressure ser-
Alloy and Stainless Steel Pipe
vice.
E94 Guide for Radiographic Examination
1.2 Several grades of ferritic steels are covered. Their
E165 Practice for Liquid Penetrant Examination for General
compositions are given in Table 1.
Industry
1
E186 Reference Radiographs for Heavy-Walled (2 to 4 ⁄2-in.
1.3 Supplementary Requirements S1 through S12 are
provided. The supplementary requirements provide for addi- (50.8 to 114-mm)) Steel Castings
E208 Test Method for Conducting Drop-Weight Test to
tional tests of an optional nature and when desired shall be so
stated in the order (Section 4). Determine Nil-Ductility Transition Temperature of Fer-
ritic Steels
1.4 The values stated in either inch-pound units or SI units
1
E280 Reference Radiographs for Heavy-Walled (4 ⁄2 to 12-
are to be regarded separately as standard. The values stated in
in. (114 to 305-mm)) Steel Castings
each system may not be exact equivalents; therefore, each
E446 Reference Radiographs for Steel Castings Up to 2 in.
system shall be used independently of the other. Combining
(50.8 mm) in Thickness
values from the two systems may result in non-conformance
E709 Guide for Magnetic Particle Testing
with the standard.
4
2.2 ANSI Standard:
1.4.1 Within the text, the SI units are shown in brackets.
B46.1 Surface Texture
1.5 This standard does not purport to address all of the
5
2.3 ASME Boiler and Pressure Vessel Code:
safety concerns, if any, associated with its use. It is the
Section IX Welding and Brazing Qualifications
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica-
3. Ordering Information
bility of regulatory limitations prior to use.
3.1 Orders for material under this specification shall include
2. Referenced Documents
the following, as required, to describe the desired material
3
adequately:
2.1 ASTM Standards:
A370 Test Methods and Definitions for Mechanical Testing 3.1.1 Quantity (feet, centimetres, or number of lengths),
3.1.2 Name of material (centrifugally cast pipe),
of Steel Products
A609/A609M Practice for Castings, Carbon, Low-Alloy, 3.1.3 Specification number,
3.1.4 Grade (Table 1),
and Martensitic Stainless Steel, Ultrasonic Examination
Thereof 3.1.5 Size (outside or inside diameter and minimum wall
thickness),
3.1.6 Length (specific or random) (Section on Permissible
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
Variations in Length of Specification A999/A999M),
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
3.1.7 End finish (Section on Ends of Specification A999/
A01.18 on Castings.
Current edition approved Nov. 1, 2013. Published November 2013. Originally
A999M),
approved in 1958. Last previous edition approved in 2011 as A426/A426M - 11a.
DOI: 10.1520/A0426_A0426M-13.
2
For ASME Boiler and Pressure Vessel Code applications see related Specifi-
4
cation SA-426 in Section II of that Code. Available from American 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 Available from American Society of Mechanical Engineers (ASME), ASME
Standards volumeinformation,refertothestandard’sDocumentSummarypageon International Headquarters, Two Park Ave., New York, NY 10016-5990, http://
the ASTM website. www.asme.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 ----------------------
A426/A426M−13
A
TABLE 1 Chemical Requirements
Composition, %
Phos-
UNS Sulfur,
Grade Carbon Manganese phorus, Silicon Chromium Molybdenum
Number max
max
CP1 J12521 0.25 0.30-0.80 0.030 0.025 0.10-0.50 . 0.44-0.65
max
CP2 J11547 0.10–0.20 0.30-0.61 0.030 0.025 0.10-0.50 0.50-0.81 0.44-0.65
CP5 J42045 0.20 0.30-0.70 0.030 0.025 0.75 4.00-6.50 0.45-0.65
ma
...
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: A426/A426M − 11a A426/A426M − 13
Standard Specification for
Centrifugally Cast Ferritic Alloy Steel Pipe for High-
1
Temperature Service
This standard is issued under the fixed designation A426/A426M; 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 centrifugally cast alloy steel pipe intended for use in high-temperature, high-pressure service.
1.2 Several grades of ferritic steels are covered. Their compositions are given in Table 1.
1.3 Supplementary Requirements S1 through S12 are provided. The supplementary requirements provide for additional tests
of an optional nature and when desired shall be so stated in the order (Section 4).
1.4 The values stated in either inch-pound units or SI units are to be regarded separately as standard. 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.
1.4.1 Within the text, the SI units are shown in brackets.
1.5 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.
2. Referenced Documents
3
2.1 ASTM Standards:
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A609/A609M Practice for Castings, Carbon, Low-Alloy, and Martensitic Stainless Steel, Ultrasonic Examination Thereof
A941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys
A999/A999M Specification for General Requirements for Alloy and Stainless Steel Pipe
E94 Guide for Radiographic Examination
E165 Practice for Liquid Penetrant Examination for General Industry
1
E186 Reference Radiographs for Heavy-Walled (2 to 4 ⁄2-in. (50.8 to 114-mm)) Steel Castings
E208 Test Method for Conducting Drop-Weight Test to Determine Nil-Ductility Transition Temperature of Ferritic Steels
1
E280 Reference Radiographs for Heavy-Walled (4 ⁄2 to 12-in. (114 to 305-mm)) Steel Castings
E446 Reference Radiographs for Steel Castings Up to 2 in. (50.8 mm) in Thickness
E709 Guide for Magnetic Particle Testing
4
2.2 ANSI Standard:
B46.1 Surface Texture
5
2.3 ASME Boiler and Pressure Vessel Code:
Section IX Welding and Brazing Qualifications
6
2.4 AWS Specifications
A5.5/A5.5M Low Alloy Steel Electrodes for Shielded Metal Arc Welding
A5.23/A5.23M 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 A01.18
on Castings.
Current edition approved Oct. 1, 2011Nov. 1, 2013. Published November 2011November 2013. Originally approved in 1958. Last previous edition approved in 2011 as
A426/A426M - 11.A426/A426M - 11a. DOI: 10.1520/A0426_A0426M-11A.10.1520/A0426_A0426M-13.
2
For ASME Boiler and Pressure Vessel Code applications see related Specification SA-426 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 National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.
5
Available from American Society of Mechanical Engineers (ASME), ASME International Headquarters, ThreeTwo Park Ave., New York, NY 10016-5990,
http://www.asme.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 ----------------------
A426/A426M − 13
A
TABLE 1 Chemical Requirements
Composition, %
Phos-
UNS Sulfur,
Grade Carbon Manganese phorus, Silicon Chromium Molybdenum Other
Number max
max
CP1 J12521 0.25 0.30-0.80 0.030 0.025 0.10-0.50 . 0.44-0.65 .
max
CP2 J11547 0.10–0.20 0.30-0.61 0.030 0.025 0.10-0.50 0.50-0.81 0.44-0.65 .
CP5 J42045 0.20 0.30-0.70 0.030 0.025 0.75 4.00-6.50 0.45-0.65
...
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