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ASTM A387/A387M-99

(Specification)

Standard Specification for Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum

Standard Specification for Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum

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: NominalNominal ChromiumMolybdenumGrade Content, %Content, %20.500.50121.000.50111.250.5022, 22L2.251.0021, 21L3.001.0055.000.5099.001.00919.001.00 911 9.001.00
1.3 Each grade except Grades 21L, 22L, 91 and 911 is available in two classes of tensile strength levels as defined in the Tensile Requirements tables, depending on heat treatment. In the annealed condition all grades are available only as Class 1. Grades 21L and 22L are available only as Class 1. Grade 91 and 911 are available only as Class 2.
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 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 the other. Combining values from the two systems may result in nonconformance with this specification.

General Information

Status
Historical
Publication Date
09-Mar-1999
Technical Committee
A01 - Steel, Stainless Steel and Related Alloys
Drafting Committee
A01.11 - Steel Plates for Boilers and Pressure Vessels
Current Stage
Ref Project

Relations

Replaced By
ASTM A387/A387M-99e1 - Standard Specification for Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum
Effective Date
10-Mar-1999
Referred By
ASTM F1155-10(2019) - Standard Practice for Selection and Application of Piping System Materials
Effective Date
10-Mar-1999
Referred By
ASTM A542/A542M-19 - Standard Specification for Pressure Vessel Plates, Alloy Steel, Quenched-and-Tempered, Chromium-Molybdenum, and Chromium-Molybdenum-Vanadium
Effective Date
10-Mar-1999
Referred By
ASTM A20/A20M-20 - Standard Specification for General Requirements for Steel Plates for Pressure Vessels
Effective Date
10-Mar-1999
Referred By
ASTM A691/A691M-19 - Standard Specification for Carbon and Alloy Steel Pipe, Electric-Fusion-Welded for High-Pressure Service at High Temperatures
Effective Date
10-Mar-1999

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ASTM A387/A387M-99 - Standard Specification for Pressure Vessel Plates, Alloy Steel, Chromium-MolybdenumASTM A387/A387M-99 - Standard Specification for Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum
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ASTM A387/A387M-99 - Standard Specification for Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: A 387/A 387M – 99 Used in USDOE-NE Standards
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Specification for
Pressure Vessel Plates, Alloy Steel, Chromium-
1
Molybdenum
This standard is issued under the fixed designation A 387/A 387M; 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 (e) indicates an editorial change since the last revision or reapproval.
3
1. Scope Steel Plates for Pressure Vessels
2
A 370 Test Methods and Definitions for Mechanical Testing
1.1 This specification covers chromium-molybdenum alloy
4
of Steel Products
steel plates intended primarily for welded boilers and pressure
A 435/A 435M Specification for Straight-Beam Ultrasonic
vessels designed for elevated temperature service.
3
Examination of Steel Plates
1.2 Plates are available under this specification in several
A 577/A 577M Specification for Ultrasonic Angle-Beam
grades having different alloy contents as follows:
3
Examination of Steel Plates
Nominal Nominal
A 578/A 578M Specification for Straight-Beam Ultrasonic
Chromium Molybde-
num
Examination of Plain and Clad Steel Plates for Special
Grade Content, % Content, %
3
Applications
2 0.50 0.50
12 1.00 0.50
3. General Requirements and Ordering Information
11 1.25 0.50
22, 22L 2.25 1.00
3.1 Material supplied to this material specification shall
21, 21L 3.00 1.00
conform to Specification A 20/A 20M. These requirements
5 5.00 0.50
9 9.00 1.00
outline the testing and retesting methods and procedures,
91 9.00 1.00
permissible variations in dimensions and weight, quality and
911 9.00 1.00
repair of defects, marking, loading, etc.
1.3 Each grade except Grades 21L, 22L, 91 and 911 is
3.2 Specification A 20/A 20M also establishes the rules for
available in two classes of tensile strength levels as defined in
the ordering information that should be complied with when
the Tensile Requirements tables, depending on heat treatment.
purchasing material to this specification.
In the annealed condition all grades are available only as Class
3.3 In addition to the basic requirements of this specifica-
1. Grades 21L and 22L are available only as Class 1. Grade 91
tion, certain supplementary requirements are available when
and 911 are available only as Class 2.
additional control, testing, or examination is required to meet
1.4 The maximum thickness of plates is limited only by the
end use requirements. These include:
capacity of the composition to meet the specified mechanical
3.3.1 Vacuum treatment,
property requirements.
3.3.2 Additional or special tension testing,
1.5 The values stated in either inch-pound units or SI units
3.3.3 Impact testing, and
are to be regarded separately as standard. Within the text, the
3.3.4 Nondestructive examination.
SI units are shown in brackets. The values stated in each
3.4 The purchaser is referred to the listed supplementary
system are not exact equivalents. Therefore, each system must
requirements in this specification and to the detailed require-
be used independently of the other. Combining values from the
ments in Specification A 20/A 20M. If the requirements of this
two systems may result in nonconformance with this specifi-
specification are in conflict with the requirements of Specifi-
cation.
cation A 20/A 20M, the requirements of this specification shall
prevail.
2. Referenced Documents
2.1 ASTM Standards:
4. Manufacture
A 20/A 20M Specification for General Requirements for
4.1 Steelmaking Practice—The steel shall be killed.
1
5. Heat Treatment
This specification is under the jurisdiction of ASTM Committee A-1 on Steel,
Stainless Steel, and Related Alloys and is the direct responsibility of Subcommittee
5.1 Except for Grades 91 and 911, all plates shall be
A01.11 on Steel Plates for Boilers and Pressure Vessels.
thermally treated either by annealing, normalizing- and
Current edition approved March 10, 1999. Published June 1999. Originally
published as A 387 – 55 T. Last previous edition A 387/A 387M – 98.
2
For ASME Boiler and Pressure Vessel Code applications, see related Specifi-
cation SA-387/SA-387M in Section II of that Code.
3
Annual Book of ASTM Standards, Vol 01.04.
4
Annual Book of ASTM Standards, Vol 01.01.
1

---------------------- Page: 1 ----------------------
A 387/A 387M
2
TABLE 1 Chemical Requirements
Composition, %
Element
Grade 2 Grade 12 Grade 11 Grade 22 Grade 22L Grade 21 Grade 21L Grade 5 Grade 9 Grade 91 Grade 911
Carbon:
A A
Heat analysis 0.05–0.21 0.05–0.17 0.05–0.17 0.05–0.15 0.10 max 0.05–0.15 0.10 max 0.15 max 0.15 max 0.08–0.12 0.09–0.13
A A
Product analysis 0.04–0.21 0.04–0.
...

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This specification covers UNS N06002, UNS N06030, UNS N06035, UNS N06022, UNS N06200, UNS N06230, UNS N06600, UNS N06617, UNS N06625, UNS N08020, UNS N08026, UNS N08024, UNS N08120, UNS N08926, UNS N08367, UNS N10242, UNS N10276, UNS N10665, UNS N10675, UNS N12160, UNS R20033, UNS N06059, UNS N06686, UNS N10629, UNS N08031, UNS N06045, UNS N06025, and UNS R30556 nickel alloy billets and bars for reforging. The products shall be hot worked from ingots by rolling, forging, extruding, hammering, or pressing. The material shall conform to the chemical composition requirements prescribed by the reference material. The chemical composition of the material shall be determined by chemical analysis in accordance with test method E1473.
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1.1 This specification covers UNS N06002, UNS N06030, UNS N06035, UNS N06022, UNS N06200, UNS N10362, UNS N06230, UNS N06600, UNS N06617, UNS N06625, UNS N08020, UNS N08026, UNS N08024, UNS N08120, UNS N08926, UNS N08367, UNS N10242, UNS N10276, UNS N10665, UNS N10675, UNS N12160, UNS R20033, UNS N06059, UNS N06686, UNS N10629, UNS N08031, UNS N06045, UNS N06025, UNS N06699, and UNS R305562 billets and bars for reforging.  
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