ASTM A1017/A1017M-06

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Designation: A 1017/A 1017M – 06
Standard Specification for
Pressure Vessel Plates, Alloy Steel, Chromium-
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Molybdenum-Tungsten
This standard is issued under the fixed designation A 1017/A 1017M; 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.
1. Scope* A 577/A 577M Specification for Ultrasonic Angle-Beam
Examination of Steel Plates
1.1 This specification covers Chromium-Molybdenum-
Tungsten alloy steel plates intended primarily for welded
3. General Requirements
boilers and pressure vessels designed for elevated temperature
3.1 Material supplied to this material specification shall
service.
conform to Specification A 20/A 20M. Such requirements
1.2 Plates are available under this specification in three
outline the testing and retesting methods and procedures,
grades having different alloy contents as follows:
permissible variations in dimensions and weight [mass], qual-
Nominal Nominal Nominal
ity and repair of defects, marking, loading, and so forth.
Chromium Molybdenum Tungsten
Grade Content, % Content, % Content, %
3.2 Specification A 20/A 20M also establishes the rules for
the ordering information that should be complied with when
23 2.25 0.20 1.60
purchasing material to this specification.
911 9.00 1.00 1.00
122 12.00 0.40 2.00
3.3 In addition to the basic requirements of this specifica-
tion, certain supplementary requirements are available when
1.3 The maximum thickness of plates is limited only by the
additional control, testing, or examination is required to meet
capacity of the composition to meet the specified mechanical
end use requirements. The purchaser is referred to the listed
property requirements.
supplementary requirements in this specification and to the
1.4 The specification is expressed in both inch-pound units
detailed requirements in Specification A 20/A 20M.
and in SI units. However, unless the order specifies the
3.4 If the requirements of this specification are in conflict
applicable “M” specification designation (SI units), the mate-
with the requirements of Specification A 20/A 20M, the re-
rial shall be furnished to inch-pound units.
quirements of this specification shall prevail.
1.5 The values stated in either inch-pound units or SI units
are to be regarded separately as standard. Within the text, the
4. Materials and Manufacture
SI units are shown in brackets. The values stated in each
4.1 Steelmaking Practice—The steel shall be killed.
system are not exact equivalents; therefore, each system must
be used independently of the other.
5. Heat Treatment
2. Referenced Documents 5.1 Except as allowed by 5.2 and 5.3, all plates shall be
2 normalized at 1900 to 1975°F [1040 to 1080°C]. Plates for
2.1 ASTM Standards:
Grades 23 and 122 shall be tempered at 1350 to 1470°F [730
A 20/A 20M Specification for General Requirements for
to 800°C]. Grade 911 plates shall be tempered at 1365 to
Steel Plates for Pressure Vessels
1435°F [740 to 780°C].
A 435/A 435M Specification for Straight-Beam Ultrasonic
5.2 If permitted by the purchaser, plates for Grades 23 and
Examination of Steel Plates
122 may be austenitized at 1900 to 1975°F [1040 to 1080°C],
subjected to accelerated cooling from the austenitizing tem-
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This specification is under the jurisdiction of ASTM Committee A01 on Steel,
perature by air blasting or liquid quenching, and then tempered
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
at 1350 to 1470°F [730 to 800°C].
A01.11 on Steel Plates for Boilers and Pressure Vessels.
5.3 Plates ordered without the heat treatment required by
Current edition approved March 1, 2006. Published March 2006. Originally
either 5.1 or 5.2 shall be furnished in either the stress-relieved
approvedin2001.Lastpreviouseditionapprovedin2005asA 1017/A 1017M – 05.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
or annealed condition, and the purchaser shall be responsible
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
for the heat treatment of such plates to conform to either 5.1 or
Standards volume information, refer to the standard’s Document Summary page on
5.2.
the ASTM website.
*ASummary of Changes section appears at the end of this standard.
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A 1017/A 1017M – 06
TABLE 2 Tensile Requirements
6. Chemical Composition
Grade 23 Grade 911 Grade 122
6.1 Thesteelshallconformtotherequirementsforchemical
Tensile Strength, ksi [MPa] 74 to 100 90 to 120
compositi
...