ASTM A612/A612M-00
(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
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].
1.3 For plates produced from coil, 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.
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Designation: A 612/A612M – 00
Standard Specification for
Pressure Vessel Plates, Carbon Steel, High Strength, for
1
Moderate and Lower Temperature Service
This standard is issued under the fixed designation A 612/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 (e) indicates an editorial change since the last revision or reapproval.
TABLE 1 Chemical Requirements
1. Scope
2
Composition, %, for
1.1 This specification covers killed carbon-manganese-
Elements thickness up to 1 in.
silicon steel plates intended for welded pressure vessels in
[20 to 25 mm], incl
service at moderate and lower temperatures.
Carbon, max:
1.2 The maximum thickness of plates supplied under this
Heat analysis 0.25
Product analysis 0.29
specification is 1 in. [25 mm].
Manganese
1.3 The values stated in either inch-pound units or SI units
Heat analysis 1.00–1.50
are to be regarded separately as standard. Within the text, the Product analysis 0.92–1.62
A
Phosphorus, max 0.035
SI units are shown in brackets. The values stated in each
A
Sulfur, max 0.025
system are not exact equivalents; therefore, each system must
Silicon
be used independently of the other. Combining values from the
Heat analysis 0.15–0.50
Product analysis 0.13–0.55
two systems may result in nonconformance with the specifi-
B
Copper, max:
cation.
Heat analysis 0.35
Product analysis 0.38
B
2. Referenced Documents
Nickel, max:
Heat analysis 0.25
2.1 ASTM Standards:
Product analysis 0.28
B
A 20/A20M Specification for General Requirements for
Chromium, max:
3
Heat analysis 0.25
Steel Plates for Pressure Vessels
Product analysis 0.29
A 435/A435M Specification for Straight-Beam Ultrasonic
B
Molybdenum, max:
3
Examination of Steel Plates Heat analysis 0.08
Product analysis 0.09
A 577/A577M Specification for Ultrasonic Angle-Beam
B
Vanadium, max:
3
Examination of Steel Plates
Heat analysis 0.08
A 578/A578M Specification for Straight-Beam Ultrasonic Product analysis 0.09
A
Examination of Plain and Clad Steel Plates for Special
Applies to both heat and product analyses.
3 B
When analysis shows that the amount of an element is 0.02 % or lower, the
Applications
value may be reported as |Lb0.02 %.
3. General Requirements and Ordering Information
tion, certain supplementary requirements are available when
3.1 Material supplied to this material specification shall
additional control, testing, or examination is required to meet
conform to Specification A 20/A 20M. These requirements
end use requirements. These include:
outline the testing and retesting methods and procedures,
3.3.1 Vacuum treatment,
permissible variations in dimensions and weight, quality and
3.3.2 Additional or special tension testing,
repair of defects, marking, loading, etc.
3.3.3 Impact testing, and
3.2 Specification A 20/A 20M also establishes the rules for
3.3.4 Nondestructive examination.
the ordering information that should be complied with when
3.4 The purchaser is referred to the listed supplementary
purchasing material to this specification.
requirements in this specification and to the detailed require-
3.3 In addition to the basic requirements of this specifica-
ments in Specification A 20/A 20M.
3.5 If the requirements of this specification are in conflict
with the requirements of Specification A 20/A 20M, the re-
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
quirements of this specification shall prevail.
Stainless Steel, and Related Alloys and is the direct responsibility of Subcommittee
A01.11 on Steel Plates for Boilers and Pressure Vessels.
4. Manufacture
Current edition approved Sept. 10, 2000. Published October 2000. Originally
published as A 612 – 70. Last previous edition A 612/A 612M – 98.
4.1 Steelmaking Practice—The steel shall be killed and
2
For ASME Boiler and Pressure Vessel Code applications see related Specifi-
shall conform to the fine austenitic grain size requirement of
cation SA-612/SA-612M in Section II of that Code.
3
Annual Book of ASTM Standards, Vol 01.04. Specification A 20/A 20M.
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
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A 612/A612M
TABLE 2 Tensile Requirements
5. Heat Treatment
Thickness
5.1 Plates are normally supplied in the as-rolled condition.
0.5 in Over 0.5 in.
Plates may be ordered normalized or stress relieved, or both.
[12.5 mm] to 1 in.
and Under [Over 12.5 to 25
6. Chemical Requirements
mm]
6.1 The steel shall conform to the requirements as to
Tensile strength, ksi [MPa] 83–105 81–101
[570–725] [560–695]
chemical composition shown in Table 1 unless otherwise
A
Yield strength, min, ksi [MPa] 50 [345] 50 [3
...
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