ASTM A612/A612M-20
(Specification)Standard Specification for Pressure Vessel Plates, Carbon Steel, High Strength, for Moderate and Lower Temperature Service
Standard Specification for Pressure Vessel Plates, Carbon Steel, High Strength, for Moderate and Lower Temperature Service
ABSTRACT
This specification covers killed carbon- manganese-silicon steel plates intended for welded pressure vessels in service at moderate and lower temperatures. As a steel making practice, the steel shall be killed and shall conform to specified fine austenitic grain size requirements. Plates are normally supplied in the as-rolled condition. Plates may be ordered normalized or stress relieved, or both. The steel shall conform to the required chemical compositions. The plates, as represented by the tension test specimens, shall conform to the mechanical property requirements.
SCOPE
1.1 This specification2 covers killed carbon-manganese-silicon steel plates intended for welded pressure vessels in service at moderate and lower temperatures.
1.2 The maximum thickness of plates is limited only by the capacity of the material to meet the specified mechanical property requirements.
1.3 For plates produced from coil and furnished without heat treatment or with stress relieving only, the additional requirements, including additional testing requirements and the reporting of additional test results, of Specification A20/A20M apply.
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 the other. Combining values from the two systems may result in nonconformance with the specification.
1.5 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.
General Information
- Status
- Published
- Publication Date
- 30-Apr-2020
- Technical Committee
- A01 - Steel, Stainless Steel and Related Alloys
- Drafting Committee
- A01.11 - Steel Plates for Boilers and Pressure Vessels
Relations
- Effective Date
- 01-May-2020
- Effective Date
- 01-Nov-2023
- Effective Date
- 01-Nov-2023
- Effective Date
- 01-Nov-2023
- Effective Date
- 01-Mar-2018
- Effective Date
- 15-Nov-2017
- Effective Date
- 01-Nov-2017
- Effective Date
- 01-Nov-2015
- Effective Date
- 01-Oct-2014
- Effective Date
- 01-Oct-2013
- Effective Date
- 01-Mar-2012
- Effective Date
- 01-Mar-2012
- Effective Date
- 01-Mar-2012
- Effective Date
- 01-Nov-2011
- Effective Date
- 01-Oct-2010
Overview
ASTM A612/A612M-20 is a widely recognized standard specification for pressure vessel plates made from high-strength carbon-manganese-silicon steel. Developed by ASTM International, this standard applies to steel plates used in the fabrication of welded pressure vessels intended for moderate and lower temperature service. The document outlines requirements for steelmaking practices, chemical composition, mechanical properties, and testing methods to ensure safety, performance, and reliability in pressure vessel applications.
This standard supports manufacturers, engineers, and inspectors in selecting appropriate materials that meet critical demands for strength and toughness under varying temperature conditions, contributing to safer and more efficient vessel designs.
Key Topics
- Material Composition: Covers requirements for killed carbon-manganese-silicon steel with a fine austenitic grain size, ensuring high structural integrity. Chemical limits are set for key elements such as carbon, manganese, silicon, phosphorus, and sulfur, among others.
- Heat Treatment Conditions: Plates are normally supplied in the as-rolled condition, but may be ordered normalized or stress relieved, or both, to accommodate specific application requirements.
- Mechanical Properties: Specifies tensile strength, yield strength, and elongation properties to guarantee plate performance under operational stresses.
- Testing and Quality Assurance: Details criteria for tension testing, supplementary testing (e.g., Charpy impact test, ultrasonic examination), and product analysis for conformance to the standard.
- Dimensional Flexibility: There are no explicit maximum thickness limits, provided the plate meets all specified mechanical property requirements.
- Units of Measure: Permits the use of either inch-pound or SI units, but requires that only one unit system be used consistently to avoid non-conformance.
- International Recognition: Developed under principles endorsed by organizations such as the World Trade Organization Technical Barriers to Trade (TBT) Committee, supporting global trade and regulatory acceptance.
Applications
ASTM A612/A612M-20 is essential for industries requiring robust and reliable carbon steel plates for pressure vessel fabrication. Common application areas include:
- Oil and Gas: Construction of storage tanks, separators, and processing vessels operating at moderate and lower temperatures.
- Chemical Processing: Fabrication of reactors and containment vessels exposed to pressure and thermal cycling.
- Power Generation: Boilers and heat exchangers that must withstand pressure and temperature variations.
- Industrial Manufacturing: Any use where durable, pressure-rated steel plates are required in moderate or low-temperature environments.
Following this standard ensures that pressure vessels maintain structural integrity, reduce risk of failure, and comply with international safety regulations.
Related Standards
ASTM A612/A612M-20 references and works in conjunction with several related standards to provide a comprehensive framework for steel plate quality and testing, such as:
- ASTM A20/A20M - General Requirements for Steel Plates for Pressure Vessels: outlines generic quality, testing, and ordering requirements.
- ASTM A435/A435M - Straight-Beam Ultrasonic Examination of Steel Plates: provides ultrasonic test methods.
- ASTM A577/A577M - Ultrasonic Angle-Beam Examination of Steel Plates: describes additional ultrasonic examination procedures.
- ASTM A578/A578M - Straight-Beam Ultrasonic Examination for Special Applications: defines examination of rolled plates for specific end uses.
- ASME SA-612/SA-612M - Offers similar requirements and is referenced for Boiler and Pressure Vessel Code applications.
Understanding and implementing ASTM A612/A612M-20 ensures compliance with industry best practices, improves operational safety, and facilitates international acceptance of pressure vessel components.
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Frequently Asked Questions
ASTM A612/A612M-20 is a technical specification published by ASTM International. Its full title is "Standard Specification for Pressure Vessel Plates, Carbon Steel, High Strength, for Moderate and Lower Temperature Service". This standard covers: ABSTRACT This specification covers killed carbon- manganese-silicon steel plates intended for welded pressure vessels in service at moderate and lower temperatures. As a steel making practice, the steel shall be killed and shall conform to specified fine austenitic grain size requirements. Plates are normally supplied in the as-rolled condition. Plates may be ordered normalized or stress relieved, or both. The steel shall conform to the required chemical compositions. The plates, as represented by the tension test specimens, shall conform to the mechanical property requirements. SCOPE 1.1 This specification2 covers killed carbon-manganese-silicon steel plates intended for welded pressure vessels in service at moderate and lower temperatures. 1.2 The maximum thickness of plates is limited only by the capacity of the material to meet the specified mechanical property requirements. 1.3 For plates produced from coil and furnished without heat treatment or with stress relieving only, the additional requirements, including additional testing requirements and the reporting of additional test results, of Specification A20/A20M apply. 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 the other. Combining values from the two systems may result in nonconformance with the specification. 1.5 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.
ABSTRACT This specification covers killed carbon- manganese-silicon steel plates intended for welded pressure vessels in service at moderate and lower temperatures. As a steel making practice, the steel shall be killed and shall conform to specified fine austenitic grain size requirements. Plates are normally supplied in the as-rolled condition. Plates may be ordered normalized or stress relieved, or both. The steel shall conform to the required chemical compositions. The plates, as represented by the tension test specimens, shall conform to the mechanical property requirements. SCOPE 1.1 This specification2 covers killed carbon-manganese-silicon steel plates intended for welded pressure vessels in service at moderate and lower temperatures. 1.2 The maximum thickness of plates is limited only by the capacity of the material to meet the specified mechanical property requirements. 1.3 For plates produced from coil and furnished without heat treatment or with stress relieving only, the additional requirements, including additional testing requirements and the reporting of additional test results, of Specification A20/A20M apply. 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 the other. Combining values from the two systems may result in nonconformance with the specification. 1.5 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.
ASTM A612/A612M-20 is classified under the following ICS (International Classification for Standards) categories: 77.140.30 - Steels for pressure purposes. The ICS classification helps identify the subject area and facilitates finding related standards.
ASTM A612/A612M-20 has the following relationships with other standards: It is inter standard links to ASTM A612/A612M-12(2019), ASTM A578/A578M-17(2023), ASTM A577/A577M-17(2023), ASTM A435/A435M-17(2023), ASTM A20/A20M-18, ASTM A20/A20M-17, ASTM A578/A578M-17, ASTM A20/A20M-15, ASTM A20/A20M-14, ASTM A20/A20M-13, ASTM A577/A577M-90(2012), ASTM A435/A435M-90(2012), ASTM A578/A578M-07(2012), ASTM A20/A20M-11, ASTM A20/A20M-10. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
ASTM A612/A612M-20 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
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:A612/A612M −20
Standard Specification for
Pressure Vessel Plates, Carbon Steel, High Strength, for
Moderate and Lower Temperature Service
This standard is issued under the fixed designationA612/A612M; 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* A435/A435M Specification for Straight-Beam Ultrasonic
2 Examination of Steel Plates
1.1 This specification covers killed carbon-manganese-
A577/A577M Specification for Ultrasonic Angle-Beam Ex-
silicon steel plates intended for welded pressure vessels in
amination of Steel Plates
service at moderate and lower temperatures.
A578/A578M Specification for Straight-Beam Ultrasonic
1.2 The maximum thickness of plates is limited only by the
Examination of Rolled Steel Plates for Special Applica-
capacity of the material to meet the specified mechanical
tions
property requirements.
1.3 For plates produced from coil and furnished without 3. General Requirements and Ordering Information
heat treatment or with stress relieving only, the additional
3.1 Material supplied to this product specification shall
requirements,includingadditionaltestingrequirementsandthe
conform to Specification A20/A20M. These requirements out-
reporting of additional test results, of Specification A20/A20M
line the testing and retesting methods and procedures, permit-
apply.
ted variations in dimensions and mass, quality and repair of
1.4 The values stated in either inch-pound units or SI units defects, marking, loading, and ordering information.
are to be regarded separately as standard. Within the text, the
3.2 In addition to the basic requirements of this
SI units are shown in brackets. The values stated in each
specification, certain supplementary requirements are available
system are not exact equivalents; therefore, each system must
where additional control, testing, or examination is required to
be used independently of the other. Combining values from the
meet end use requirements. The purchaser is referred to the
two systems may result in nonconformance with the specifi-
listed supplementary requirements in this specification and to
cation.
the detailed requirements in Specification A20/A20M.
1.5 This international standard was developed in accor-
3.3 Coils are excluded from qualification to this specifica-
dance with internationally recognized principles on standard-
tion until they are processed into finished plates. Plates
ization established in the Decision on Principles for the
produced from coil means plates that have been cut to
Development of International Standards, Guides and Recom-
individuallengthsfromcoil.Theprocessordirectlycontrols,or
mendations issued by the World Trade Organization Technical
is responsible for, the operations involved in the processing of
Barriers to Trade (TBT) Committee.
coils into finished plates. Such operations include decoiling,
leveling, cutting to length, testing, inspection, conditioning,
2. Referenced Documents
heat treatment (if applicable), packaging, marking, loading for
2.1 ASTM Standards:
shipment, and certification.
A20/A20M SpecificationforGeneralRequirementsforSteel
NOTE 1—For plates produced from coil and furnished without heat
Plates for Pressure Vessels
treatment or with stress relieving only, three test results are reported for
each qualifying coil. Additional requirements regarding plates from coil
are described in Specification A20/A20M.
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
3.4 If the requirements of this specification are in conflict
A01.11 on Steel Plates for Boilers and Pressure Vessels.
with the requirements of Specification A20/A20M, the require-
Current edition approved May 1, 2020. Published May 2020. Originally
approved in 1970. Last previous edition approved in 2019 as A612/A612M – 12
ments of this specification shall prevail.
(2019). DOI: 10.1520/A0612_A0612M-20.
For ASME Boiler and Pressure Vessel Code applications see related Specifi-
4. Materials and Manufacture
cation SA-612/SA-612M in Section II of that Code.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
4.1 Steelmaking Practice—The steel shall be killed and
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
shall conform to the fine austenitic grain size requirement of
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. Specification A20/A20M.
*A Summary of Changes section appears at the e
...
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.
Designation: A612/A612M − 12 (Reapproved 2019) A612/A612M − 20
Standard Specification for
Pressure Vessel Plates, Carbon Steel, High Strength, for
Moderate and Lower Temperature Service
This standard is issued under the fixed designation A612/A612M; 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 Scope*
1.1 This specification covers killed carbon-manganese-silicon steel plates intended for welded pressure vessels in service at
moderate and lower temperatures.
1.2 The maximum thickness of plates supplied under this specification is 1 in. [25 mm]. is limited only by the capacity of the
material to meet the specified mechanical property requirements.
1.3 For plates produced from coil and furnished without heat treatment or with stress relieving only, the additional requirements,
including additional testing requirements and the reporting of additional test results, of Specification A20/A20M apply.
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 the other. Combining values from the two systems may result in nonconformance with the specification.
1.5 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.
2. Referenced Documents
2.1 ASTM Standards:
A20/A20M Specification for General Requirements for Steel Plates for Pressure Vessels
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
3. General Requirements and Ordering Information
3.1 Material supplied to this product specification shall conform to Specification A20/A20M. These requirements outline the
testing and retesting methods and procedures, permitted variations in dimensions and mass, 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 where 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/A20M.
3.3 Coils are excluded from qualification to this specification until they are processed into finished plates. Plates produced from
coil means plates that have been cut to individual lengths from coil. The processor directly controls, or is responsible for, the
operations involved in the processing of coils into finished plates. Such operations include decoiling, leveling, cutting to length,
testing, inspection, conditioning, heat treatment (if applicable), packaging, marking, loading for shipment, and certification.
NOTE 1—For plates produced from coil and furnished without heat treatment or with stress relieving only, three test results are reported for each
qualifying coil. Additional requirements regarding plates from coil are described in Specification A20/A20M.
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 March 1, 2019May 1, 2020. Published April 2019May 2020. Originally approved in 1970. Last previous edition approved in 20122019 as
A612/A612M – 12.A612/A612M – 12 (2019). DOI: 10.1520/A0612_A0612M-12R19.10.1520/A0612_A0612M-20.
For ASME Boiler and Pressure Vessel Code applications see related Specification SA-612/SA-612M in Section II of that Code.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*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
A612/A612M − 20
3.4 If the requirements of this specification are
...
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