ASTM A387/A387M-10
(Specification)Standard Specification for Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum
Standard Specification for Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum
ABSTRACT
This specification covers chromium-molybdenum alloy steel plates for welded boilers and pressure vessels designed for elevated temperature service. Materials considered under this specification are available in grades 2, 12, 11, 22, 22L, 21, 21L, 5, 9 and 91. The steel materials shall be killed and shall be thermally treated. The steel specimens shall undergo heat analysis and product analysis and shall conform to the chemical requirements for carbon, manganese, phosphorus, sulfur, silicon, chromium, molybdenum, nickel, vanadium, columbium, boron, nitrogen, aluminum, titanium, and zirconium. The steel specimens shall also undergo tension tests and shall conform to the required values of tensile strength, yield strength, and elongation.
SCOPE
1.1 This specification covers chromium-molybdenum alloy steel plates intended primarily for welded boilers and pressure vessels designed for elevated temperature service.
1.2 Plates are available under this specification in several grades having different alloy contents as follows:
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Used in USDOE-NE Standards
Designation: A387/A387M – 10
Standard Specification for
Pressure Vessel Plates, Alloy Steel, Chromium-
1
Molybdenum
This standard is issued under the fixed designationA387/A387M; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope* 2. Referenced Documents
2 3
1.1 This specification covers chromium-molybdenum alloy 2.1 ASTM Standards:
steel plates intended primarily for welded boilers and pressure A20/A20M Specification for General Requirements for
vessels designed for elevated temperature service. Steel Plates for Pressure Vessels
1.2 Plates are available under this specification in several A370 Test Methods and Definitions for Mechanical Testing
grades having different alloy contents as follows: of Steel Products
A435/A435M Specification for Straight-Beam Ultrasonic
Nominal Nominal
Chromium Molybde-
Examination of Steel Plates
num
A577/A577M Specification for UltrasonicAngle-Beam Ex-
Grade Content, % Content, %
amination of Steel Plates
2 0.50 0.50
12 1.00 0.50
A578/A578M Specification for Straight-Beam Ultrasonic
11 1.25 0.50
Examination of Rolled Steel Plates for Special Applica-
22, 22L 2.25 1.00
21, 21L 3.00 1.00 tions
5 5.00 0.50
A1017/A1017M Specification for Pressure Vessel Plates,
9 9.00 1.00
Alloy Steel, Chromium-Molybdenum-Tungsten
91 9.00 1.00
1.3 Each grade except Grades 21L, 22L, and 91 is available 3. General Requirements and Ordering Information
intwoclassesoftensilestrengthlevelsasdefinedintheTensile
3.1 Material supplied to this material specification shall
Requirements tables. Grades 21Land 22Lare available only as
conform to Specification A20/A20M. These requirements out-
Class 1. Grade 91 is available only as Class 2.
line the testing and retesting methods and procedures, permis-
sible variations in dimensions and weight, quality and repair of
NOTE 1—Grade 911, previously covered by this specification, is now
covered by Specification A1017/A1017M. defects, marking, loading, and ordering information.
3.2 In addition to the basic requirements of this specifica-
1.4 The maximum thickness of plates is limited only by the
tion, certain supplementary requirements are available when
capacity of the composition to meet the specified mechanical
additional control, testing, or examination is required to meet
property requirements.
end use requirements. The purchaser is referred to the listed
1.5 The values stated in either inch-pound units or SI units
supplementary requirements in this specification and to the
are to be regarded separately as standard. Within the text, the
detailed requirements in Specification A20/A20M.
SI units are shown in brackets. The values stated in each
3.3 If the requirements of this specification are in conflict
system are not exact equivalents. Therefore, each system must
with the requirements of SpecificationA20/A20M, the require-
be used independently of the other. Combining values from the
ments of this specification shall prevail.
two systems may result in nonconformance with this specifi-
cation.
4. Manufacture
4.1 Steelmaking Practice—The steel shall be killed.
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
A01.11 on Steel Plates for Boilers and Pressure Vessels.
Current edition approved Oct. 1, 2010. Published November 2010. Originally
3
approved in 1955. Last previous edition approved in 2006 as A387/A387M – 06a. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
DOI: 10.1520/A0387_A0387M-10. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
2
For ASME Boiler and Pressure Vessel Code applications, see related Specifi- Standards volume information, refer to the standard’s Document Summary page on
cation SA-387/SA-387M in Section II of that Code. the ASTM website.
*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 ----------------------
A387/A387M – 10
TABLE 1 Tensile Requirements for Class 1 Plates
Grades 2 and 12 Grade 11 Grades 22, 21, 5, 9, 21L, 22L
Tensile strength, ksi [MPa] 55 to 80 [380 to 550] 60 to 85 [415 to 585] 60 to 85 [415 to 585]
Yield strength, min, ksi [MPa] 33 [230] 35 [240] 30 [205]
A
Elongation in 8 in. [200 mm], min, % 18 19 .
A
Elongation in 2 in. [50 mm], min, % 22 22 18
B
Reduction of area, min, % . . 45
C
40
A
...
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.
Used in USDOE-NE Standards
Designation:A387/A387M–06a Designation: A387/A387M – 10
Standard Specification for
Pressure Vessel Plates, Alloy Steel, Chromium-
1
Molybdenum
This standard is issued under the fixed designationA387/A387M; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope*
2
1.1 This specification covers chromium-molybdenum alloy steel plates intended primarily for welded boilers and pressure
vessels designed for elevated temperature service.
1.2 Plates are available under this specification in several grades having different alloy contents as follows:
Nominal Nominal
Chromium Molybde-
num
Grade Content, % Content, %
2 0.50 0.50
12 1.00 0.50
11 1.25 0.50
22, 22L 2.25 1.00
21, 21L 3.00 1.00
5 5.00 0.50
9 9.00 1.00
91 9.00 1.00
1.3 Each grade except Grades 21L, 22L, and 91 is available in two classes of tensile strength levels as defined in the Tensile
Requirements tables. Grades 21L and 22L are available only as Class 1. Grade 91 is available only as Class 2.
NOTE 1—Grade 911, previously covered by this specification, is now covered by Specification A1017/A1017M.
1.4 The maximum thickness of plates is limited only by the capacity of the composition to meet the specified mechanical
property requirements.
1.5 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 the other. Combining values from the two systems may result in nonconformance with this specification.
2. Referenced Documents
3
2.1 ASTM Standards:
A20/A20M Specification for General Requirements for Steel Plates for Pressure Vessels
A307Specification for Carbon Steel Bolts and Studs, 60 000 PSI Tensile Strength 370 Test Methods and Definitions for
Mechanical Testing of Steel Products
A435/A435M Specification for Straight-Beam Ultrasonic Examination of Steel Plates
A577/A577M Specification for Ultrasonic Angle-Beam Examination of Steel Plates
A578/A578M Specification for Straight-Beam Ultrasonic Examination of Rolled Steel Plates for Special Applications
A1017/A1017M Specification for Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum-Tungsten
3. General Requirements and Ordering Information
3.1 Material supplied to this material specification shall conform to Specification A20/A20M. These requirements outline the
1
This specification is under the jurisdiction ofASTM CommitteeA01 on Steel, Stainless Steel and RelatedAlloys and is the direct responsibility of SubcommitteeA01.11
on Steel Plates for Boilers and Pressure Vessels.
Current edition approved Oct. 1, 2006.2010. Published October 2006.November 2010. Originally approved in 1955. Last previous edition approved in 20052006 as
A387/A387M – 056a. DOI: 10.1520/A0387_A0387M-106A.
2
For ASME Boiler and Pressure Vessel Code applications, see related Specification SA-387/SA-387M 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
volume information, refer to the standard’s Document Summary page on the ASTM website.
*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 ----------------------
A387/A387M – 10
testing and retesting methods and procedures, permissible variations in dimensions and weight, quality and repair of defects,
marking, loading, etc.
3.2Specification . These requirements outline the testing and retesting methods and procedures, permissible variations in
dimensions and weight, quality and repair of defects, marking, loading, and ordering information.
3.2 In addition to the basic requirements of this specification, certain supplementary requirements are available when additional
control, testing, or examination is required to meet end use requirements. The purchaser is referred to the listed supplementary
requirements in this specification and to the detailed requirements in Specification A20/A20Malso establishes the rules for the
ordering informa
...
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.
Used in USDOE-NE Standards
Designation:A387/A387M–06a Designation: A387/A387M – 10
Standard Specification for
Pressure Vessel Plates, Alloy Steel, Chromium-
1
Molybdenum
This standard is issued under the fixed designationA387/A387M; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope*
2
1.1 This specification covers chromium-molybdenum alloy steel plates intended primarily for welded boilers and pressure
vessels designed for elevated temperature service.
1.2 Plates are available under this specification in several grades having different alloy contents as follows:
Nominal Nominal
Chromium Molybde-
num
Grade Content, % Content, %
2 0.50 0.50
12 1.00 0.50
11 1.25 0.50
22, 22L 2.25 1.00
21, 21L 3.00 1.00
5 5.00 0.50
9 9.00 1.00
91 9.00 1.00
1.3 Each grade except Grades 21L, 22L, and 91 is available in two classes of tensile strength levels as defined in the Tensile
Requirements tables. Grades 21L and 22L are available only as Class 1. Grade 91 is available only as Class 2.
NOTE 1—Grade 911, previously covered by this specification, is now covered by Specification A1017/A1017M.
1.4 The maximum thickness of plates is limited only by the capacity of the composition to meet the specified mechanical
property requirements.
1.5 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 the other. Combining values from the two systems may result in nonconformance with this specification.
2. Referenced Documents
3
2.1 ASTM Standards:
A20/A20M Specification for General Requirements for Steel Plates for Pressure Vessels
A307Specification for Carbon Steel Bolts and Studs, 60 000 PSI Tensile Strength 370 Test Methods and Definitions for
Mechanical Testing of Steel Products
A435/A435M Specification for Straight-Beam Ultrasonic Examination of Steel Plates
A577/A577M Specification for Ultrasonic Angle-Beam Examination of Steel Plates
A578/A578M Specification for Straight-Beam Ultrasonic Examination of Rolled Steel Plates for Special Applications
A1017/A1017M Specification for Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum-Tungsten
3. General Requirements and Ordering Information
3.1 Material supplied to this material specification shall conform to Specification A20/A20M. These requirements outline the
1
This specification is under the jurisdiction ofASTM CommitteeA01 on Steel, Stainless Steel and RelatedAlloys and is the direct responsibility of SubcommitteeA01.11
on Steel Plates for Boilers and Pressure Vessels.
Current edition approved Oct. 1, 2006.2010. Published October 2006.November 2010. Originally approved in 1955. Last previous edition approved in 20052006 as
A387/A387M – 056a. DOI: 10.1520/A0387_A0387M-106A.
2
For ASME Boiler and Pressure Vessel Code applications, see related Specification SA-387/SA-387M 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
volume information, refer to the standard’s Document Summary page on the ASTM website.
*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 ----------------------
A387/A387M – 10
testing and retesting methods and procedures, permissible variations in dimensions and weight, quality and repair of defects,
marking, loading, etc.
3.2Specification . These requirements outline the testing and retesting methods and procedures, permissible variations in
dimensions and weight, quality and repair of defects, marking, loading, and ordering information.
3.2 In addition to the basic requirements of this specification, certain supplementary requirements are available when additional
control, testing, or examination is required to meet end use requirements. The purchaser is referred to the listed supplementary
requirements in this specification and to the detailed requirements in Specification A20/A20Malso establishes the rules for the
ordering informa
...
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