ASTM A426/A426M-08
(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 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. 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.
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Designation: A426/A426M – 08
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.
Note—Table 1 was editorially corrected and the year date was changed on Feb. 4, 2008.
1. Scope* E94 Guide for Radiographic Examination
2
E165 PracticeforLiquidPenetrantExaminationforGeneral
1.1 This specification covers centrifugally cast alloy steel
Industry
pipe intended for use in high-temperature, high-pressure ser-
E186 Reference Radiographs for Heavy-Walled (2 to 412-
vice.
in. [51 to 114-mm]) Steel Castings
1.2 Several grades of ferritic steels are covered. Their
E208 Test Method for Conducting Drop-Weight Test to
compositions are given in Table 1.
Determine Nil-Ductility Transition Temperature of Ferritic
1.3 Supplementary Requirements S1 through S12 are
Steels
provided. The supplementary requirements provide for addi-
E280 Reference Radiographs for Heavy-Walled (412 to
tional tests of an optional nature and when desired shall be so
12-in. [114 to 305-mm]) Steel Castings
stated in the order (Section 4).
E446 Reference Radiographs for Steel Castings Up to 2 in.
1.4 The values stated in either inch-pound units or SI units
[51 mm] in Thickness
are to be regarded separately as standard. Within the text, the
E709 Guide for Magnetic Particle Testing
SI units are shown in brackets. The values stated in each
4
2.2 ANSI Standard:
system are not exact equivalents; therefore, each system must
B46.1 Surface Texture
be used independently of each other. Combining values from
5
2.3 ASME Boiler and Pressure Vessel Code:
the two systems may result in nonconformance with the
Section IX Welding Qualifications
specification.
3. Ordering Information
2. Referenced Documents
3
3.1 Orders for material under this specification shall include
2.1 ASTM Standards:
the following, as required, to describe the desired material
A370 Test Methods and Definitions for Mechanical Testing
adequately:
of Steel Products
3.1.1 Quantity (feet, centimetres, or number of lengths),
A609/A609M Practice for Castings, Carbon, Low-Alloy,
3.1.2 Name of material (centrifugally cast pipe),
and Martensitic Stainless Steel, Ultrasonic Examination
3.1.3 Specification number,
Thereof
3.1.4 Grade (Table 1),
A941 Terminology Relating to Steel, Stainless Steel, Re-
3.1.5 Size (outside or inside diameter and minimum wall
lated Alloys, and Ferroalloys
thickness),
A999/A999M Specification for General Requirements for
3.1.6 Length (specific or random) (Section on Permissible
Alloy and Stainless Steel Pipe
Variations in Length of Specification A999/A999M),
3.1.7 End finish (Section on Ends of Specification A999/
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
A999M),
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
A01.18 on Castings. 3.1.8 Optional Requirements S1 through S12 and Section
Current edition approved Feb. 4, 2008. Published February 2008. Originally
14.1,
approved in 1958. Last previous edition approved in 2007 as A426/A426M - 07.
DOI: 10.1520/A0426_A0426M-08.
2
For ASME Boiler and Pressure Vessel Code applications see related Specifi-
4
cation SA-426 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 Available from American Society of Mechanical Engineers (ASME), ASME
Standards volume information, refer to the standard’s Document Summary page on International Headquarters, Three Park Ave., New York, NY 10016-5990, http://
the ASTM website. www.asme.org.
*ASummary 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 – 08
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- 0.040 0.045 0.10- . . . 0.44-0.65 . . .
max 0.80 0.50
CP2 J11547 0.10–0.20 0.30- 0.040 0.045 0.10- 0.50- 0.44-0.65 . . .
0.61 0.50 0.81
CP5 J42045 0.20 0.30- 0.040 0.045 0.75 4.00- 0.45-0.65 . . .
max 0.70 max 6.50
CP5b J51545 0.15 0.30- 0.040 0.045 1.00- 4.00- 0.45-0.65 . . .
max 0.60 2.00 6.00
CP9 J82090 0.20 0.30- 0.040 0.045 0.
...
This document is not anASTM standard and is intended only to provide the user of anASTM 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/A 426M–02 Designation: A 426/A 426M – 08
Standard Specification for
Centrifugally Cast Ferritic Alloy Steel Pipe for High-
1
Temperature Service
ThisstandardisissuedunderthefixeddesignationA 426/A 426M;thenumberimmediatelyfollowingthedesignationindicatestheyear
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.
Note—Table 1 was editorially corrected and the year date was changed on Feb. 4, 2008.
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 Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunits
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.
2. Referenced Documents
3
2.1 ASTM Standards:
A 370 Test Methods and Definitions for Mechanical Testing of Steel Products A530/A 530MSpecification for General
Requirements for Specialized Carbon and
Alloy Steel Pipe
A 609/A 609M Practice for Castings, Carbon, Low-Alloy, and Martensitic Stainless Steel, Ultrasonic Examination Thereof
A 941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys
5
E44Definitions of Terms Relating to Heat Treatment of Metals A 999/A 999M Specification for General Requirements for
Alloy and Stainless Steel Pipe
E 94 Guide for Radiographic Examination
E 165 Test Method for Liquid Penetrant Examination
E 186 Reference Radiographs for Heavy-Walled (2 to 412-in. [51 to 114-mm]) Steel Castings
E 208 Test Method for Conducting Drop-Weight Test to Determine Nil-Ductility Transition Temperature of Ferritic Steels
E 280 Reference Radiographs for Heavy-Walled (412 to 12-in. [114 to 305-mm]) Steel Castings
E 446 Reference Radiographs for Steel Castings Up to 2 in. [51 mm] in Thickness
E 709Practice Guide for Magnetic Particle Examination
2.2 ANSI Standard:
4
B46.1Surface Texture ANSI Standard:
B46.1 Surface Texture
5
2.3 ASME Boiler and Pressure Vessel Code:
Section IX Welding Qualifications
1
This specification is under the jurisdiction ofASTM CommitteeA01 on Steel, Stainless Steel,Steel and RelatedAlloys and is the direct responsibility of Subcommittee
A01.18 on Castings.
Current edition approved September 10, 2002.Feb. 4, 2008. Published October 2002.February 2008. Originally published A426–58T. approved in 1958. Last previous
edition A426–92(2002). approved in 2007 as A 426/A 426M - 07.
2
For ASME Boiler and Pressure Vessel Code applications see related Specification SA-426 in Section II of that Code.
3
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book ofASTM Standards
, Vol 01.03.volume information, refer to the standard’s Document Summary page on the ASTM website.
4
Annual Book of ASTM Standards, Vol 01.01.
4
Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.
5
Annual Book of ASTM Standards, Vol 01.02.
5
Available from American Society of Mechanical Engineers (ASME), ASME International Headquarters, Three Park Ave., New York, NY 10016-5990, http://
www.asme.org.
*ASummary 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 ----------------------
A 426/A 426M – 08
A
TABLE 1 Chemical Requirements
Composition, %
Phos-
UNS Sulfur,
Grade Carbon Manganese phorus, Silicon Chromium Molybdenum Other
Number max
max
CP1 0.25 0.30–0.80 0.040 0.045 0.10–0.50 . 0.44–0.65
max
CP1 J12521 0.25 0.30- 0.040 0.045 0.10- . 0.44-0.65 .
max 0.80 0.50
CP2 0.10–0.20 0.30–0.61 0.040 0.045 0.10–0.50 0.50–0.81 0.44–0.65
CP2 J11547 0.10–0.20 0.30- 0.040 0.045 0.10- 0.50- 0.44-0.65 .
0.61 0.50 0.81
CP5 0.20 0.30–0.70 0.040 0.045 0.75 4.00–6.50 0.45–0.65
max max
CP5 J42045 0.20 0.30- 0.
...
This document is not anASTM standard and is intended only to provide the user of anASTM 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:A 426/A 426M–02 Designation: A426/A426M – 08
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.
Note—Table 1 was editorially corrected and the year date was changed on Feb. 4, 2008.
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 Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunits
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.
2. Referenced Documents
3
2.1 ASTM Standards:
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A530/A530MSpecificationforGeneralRequirementsforSpecializedCarbonandAlloySteelPipeTestMethodsandDefinitions
for Mechanical Testing of Steel Products
A609/A609M Practice for Castings, Carbon, Low-Alloy, and Martensitic Stainless Steel, Ultrasonic Examination Thereof
Practice for Castings, Carbon, Low-Alloy, and Martensitic Stainless Steel, Ultrasonic Examination Thereof
A941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys
5
E44DefinitionsofTermsRelatingtoHeatTreatmentofMetals A999/A999M SpecificationforGeneralRequirementsforAlloy
and Stainless Steel Pipe
E94 Guide for Radiographic Examination
6
E165 Test Method for Liquid Penetrant Examination Practice for Liquid Penetrant Examination for General Industry
E186 Reference Radiographs for Heavy-Walled (2 to 412-in. [51(50.8 to 114-mm])114-mm)) Steel Castings
E208 Test Method for Conducting Drop-Weight Test to Determine Nil-Ductility Transition Temperature of Ferritic Steels
E280 Reference Radiographs for Heavy-Walled (412 to 12-in. [114(114 to 305-mm])305-mm)) Steel Castings
E446 Reference Radiographs for Steel Castings Up to 2 in. [51 mm](50.8 mm) in Thickness
6
E709 Practice for Magnetic Particle Examination Guide for Magnetic Particle Testing
2.2 ANSI Standard:
4
B46.1Surface Texture ANSI Standard:
B46.1 Surface Texture
5
2.3 ASME Boiler and Pressure Vessel Code:
1
This specification is under the jurisdiction ofASTM CommitteeA01 on Steel, Stainless Steel,Steel and RelatedAlloys and is the direct responsibility of Subcommittee
A01.18 on Castings.
Current edition approved September 10, 2002. Published October 2002. Originally published A 426–58T. Last previous edition A 426–92(2002).
Current edition approved Feb. 4, 2008. Published February 2008. Originally approved in 1958. Last previous edition approved in 2007 as A426/A426M - 07. DOI:
10.1520/A0426_A0426M-08.
2
For ASME Boiler and Pressure Vessel Code applications see related Specification SA-426 in Section II of that Code.
3
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book ofASTM Standards
, Vol 01.03.volume information, refer to the standard’s Document Summary page on the ASTM website.
4
Annual Book of ASTM Standards, Vol 01.01.
4
Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.
5
Annual Book of ASTM Standards, Vol 01.02.
5
Available from American Society of Mechanical Engineers (ASME), ASME International Headquarters, Three Park Ave., New York, NY 10016-5990, http://
www.asme.org.
*ASummary 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 – 08
A
TABLE 1 Chemical Requirements
Composition, %
Phos-
UNS Sulfur,
Grade Carbon Manganese phorus, Silicon Chromium Molybdenum Other
Number max
max
CP1 0.25 0.30–0.80 0.
...
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