ASTM A592/A592M-10(2020)

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation:A592/A592M −10 (Reapproved 2020)
Standard Specification for
High-Strength Quenched and Tempered Low-Alloy Steel
Forged Parts for Pressure Vessels
This standard is issued under the fixed designationA592/A592M; 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. Referenced Documents
2.1 ASTM Standards:
1.1 This specification covers high-strength quenched and
A370 Test Methods and Definitions for Mechanical Testing
tempered low-alloy steel forged parts for pressure vessels. The
of Steel Products
maximum thickness of forgings under this specification shall
A517/A517M Specification for PressureVessel Plates,Alloy
be 1 ⁄2 in. [38 mm] for GradeA, and 4 in. [100 mm] for Grades
Steel, High-Strength, Quenched and Tempered
E and F.
A788/A788M Specification for Steel Forgings, General Re-
NOTE 1—These grades are similar to corresponding grades in Specifi-
quirements
cation A517/A517M.
E112 Test Methods for Determining Average Grain Size
1.2 Although no provision is made for supplementary re-
2.2 ASME Code:
quirements in this standard, the supplementary requirements in
ASME Boiler and Pressure Vessel Code
Specification A788/A788M may be considered by the pur-
chaser.
3. Ordering Information and General Requirements
1.3 Welding technique is of fundamental importance and it 3.1 In addition to the ordering information required by
Specification A788/A788M, the purchaser shall include with
is presupposed that welding procedures will be in accordance
the inquiry and order the following information:
with approved methods for the class of material used.
3.1.1 Adetailed drawing, a sketch, or written description of
1.4 The values stated in either SI units or inch-pound units
the forging.
are to be regarded separately as standard. The values stated in
3.1.2 The charpy impact test temperature if a test tempera-
each system are not necessarily exact equivalents; therefore, to
ture lower than 32 °F [0 °C] is required.
ensure conformance with the standard, each system shall be
3.1.3 Additional heat treatment cycles to be applied to the
used independently of the other, and values from the two
mechanical test specimens following removal from the heat-
systems shall not be combined.
treated forging or special forged test block.
3.1.4 Required supplementary requirement(s) from Specifi-
1.5 Unless the order specifies the applicable “M” specifica-
cation A788/A788M.
tion designation, the material shall be furnished to the inch-
pound units.
3.2 Material supplied to this specification shall conform to
the requirements of Specification A788/A788M, which out-
1.6 This international standard was developed in accor-
lines additional ordering information, manufacturing
dance with internationally recognized principles on standard-
requirements, testing and retesting methods and procedures,
ization established in the Decision on Principles for the
marking, certification, product analysis variations, and addi-
Development of International Standards, Guides and Recom-
tional supplementary requirements. Failure to comply with the
mendations issued by the World Trade Organization Technical
requirements of Specification A788/A788M constitutes non-
Barriers to Trade (TBT) Committee.
conformance with this specification.
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee For referenced ASTM standards, visit the ASTM website, www.astm.org, or
A01.06 on Steel Forgings and Billets. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Current edition approved March 1, 2020. Published March 2020. Originally Standards volume information, refer to the standard’s Document Summary page on
approved in 1968. Last previous edition approved in 2015 as A592/A592M – 10 the ASTM website.
(2015). DOI: 10.1520/A0592_A0592M–10R20. Available from American Society of Mechanical Engineers (ASME), ASME
For ASME Boiler and Pressure Vessel Code applications, see related Specifi- International Headquarters, Two Park Ave., New York, NY 10016-5990, http://
cation SA-592/SA-592M in Section II of that Code. 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
A592/A592M−10 (2020)
TABLE 1 Chemical Requirements
3.3 If the requirements of this specification are in conflict
with the requirements of Specification A788/A788M, the Element Composition, %
A A A
requirements of this specification shall prevail. Grade A Grade E Grade F
Carbon
0.15–0.21 0.12–0.20 0.10–0.20
4. Materials and Manufacture
4.1 MeltingProcess—The steel shall be made in accordance Manganese
0.80–1.10 0.40–0.70 0.60–1.00
with the Melting Process Section of Specification A788/
A788M.
Phosphorus, max 0.025 0.025 0.025
4.2 Grain Size—The steel shall be fully killed, fine grained
Sulfur, max 0.025 0.025 0.025
(ASTM No. 5 or finer), as determined in accordance with Test
Silicon
Methods E112, Plate IV.
0.40–0.80 0.20–0.35 0.15–0.35
4.3 Discard—Sufficient discard shall be made from each
Nickel
ingottoensurefreedomfrompipingandexcessivesegregation.
. . . . . . 0.70–1.00
4.4 The finished product shall be a hot-worked forging as
Chromium
defined by Specification A788/A788M, and shall be forged as
0.50–0.80 1.40–2.00 0.40–0.65
close as practicable to the finished shape and size.
Molybdenum
0.18–0.28 0.40–0.60 0.40–0.60
5. Heat Treatment
Vanadium
5.1 After forging and before reheating, the forgings shall be
B
... 0.03–0.08
cooled to provide substantially complete transformation of
austenite. Heat treatment for properties shall consist of heating
Titanium
. . . 0.04–0.10 . . .
the forgings to not less than 1650 °F [900 °C], quenching in a
liquid medium, and tempering at 1150 °F
...