ASTM A832/A832M-99(2004)e1

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Designation: A 832/A 832M – 99 (Reapproved 2004)
Standard Specification for
Pressure Vessel Plates, Alloy Steel, Chromium-
Molybdenum-Vanadium
ThisstandardisissuedunderthefixeddesignationA832/A832M;thenumberimmediatelyfollowingthedesignationindicatestheyear
of original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.
A superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
e NOTE—Supplementary Requirement S14, Bend Test, was editorially removed in September 2004.
1. Scope A20/A20M Specification for General Requirements for
2 Steel Plates for Pressure Vessels
1.1 This specification covers chromium-molybdenum-
A370 TestMethodsandDefinitionsforMechanicalTesting
vanadium alloy steel plates intended primarily for the fabrica-
of Steel Products
tion of welded pressure vessels.
A435/A435M Specification for Straight-Beam Ultrasonic
1.2 The plates furnished under this specification are re-
Examination of Steel Plates
quired to be normalized-and-tempered. Specification A542/
A 577/A577M Specification for Ultrasonic Angle-Beam
A542M includes coverage of the material in the quenched-
Examination of Steel Plates
and-tempered condition.
A578/A578M Specification for Straight-Beam Ultrasonic
1.3 The maximum thickness of plates furnished to this
Examination of Plain and Clad Steel Plates for Special
specification is limited only by the capacity of the composition
Applications
to meet the specified property requirements. However, the
maximum thickness of plates normally furnished under this
3. General Requirements and Ordering Information
specification is 6 in. [150 mm].
3.1 Material supplied to this material specification shall
1.4 The material is intended to be suitable for fusion
conform to Specification A20/A20M. These requirements
welding. Welding technique is of fundamental importance and
outline the testing and retesting methods and procedures,
itispresupposedthatweldingprocedureswillbeinaccordance
permissible variations in dimensions, quality and repair of
with approved methods.
defects, marking, loading, etc.
1.5 This specification is expressed in both inch-pound units
3.2 Specification A20/A20M establishes the rules for or-
and in SI units. However, unless the order specifies the
dering information that should be complied with when pur-
applicable “M” specification designation (SI units), the mate-
chasing material to this specification.
rial shall be furnished to inch-pound units.
3.3 In addition to the basic requirements of this specifica-
1.6 The values stated in either inch-pound units or SI units
tion, certain supplementary requirements are available when
are to be regarded separately as standard. Within the text, the
additional control, testing, or examination is required to meet
SI units are shown in brackets. The values stated in each
end use requirements. These include the following:
system must be used independently of the other. Combining
3.3.1 Vacuum treatment,
values from the two systems may result in nonconformance
3.3.2 Additional or special tension testing,
with the specification.
3.3.3 Impact testing, and
2. Referenced Documents 3.3.4 Nondestructive examination.
3.4 The purchaser is referred to the listed supplementary
2.1 ASTM Standards:
requirements in this specification and to the detailed require-
ments in SpecificationA20/A20M. If the requirements of this
This specification is under the jurisdiction ofASTM CommitteeA01 on Steel,
specification are in conflict with the requirements of Specifi-
Stainless Steel, and RelatedAlloys and is the direct responsibility of Subcommittee
cationA20/A20M,therequirementsofthisspecificationshall
A01.11 on Steel Plates for Boilers and Pressure Vessels.
prevail.
Current edition approved Sept. 1, 2004. Published September 2004. Originally
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approved in 1984. Last previous edition approved in 1999 asA832/A832M–99 .
4. Manufacture
For ASME Boiler and Pressure Vessel Code applications, see related Specifi-
cation SA-832/SA-832M in Section II of that Code.
4.1 SteelmakingProcess—Thesteelshallbemadebyoneof
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
the processes permitted in Specification A20/A20M.
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.
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A 832/A 832M – 99 (2004)
TABLE 1 Tensile Requirements TABLE 2 Chemical Requirements
Tensile strength, ksi, [MPa] 85–110 [585–760] Element Composition, %
Yield strength, min, ksi, [MPa] 60 [415]
Grade 2IV Grade 22V Grade 23V
A
Elongation in 2 in. [50 mm], min, % 18
B
Reduction of area, min, % 45 Carbon
C
40 Heat analysis 0.10–0.15 0.11–0.15 0.10–0.15
Product analysis 0.08–0.18 0.09–0.18 0.08–0.18
A
See Specification A 20/A 20M for elongation adjustments.
Manganese
B
Measured on round specimen.
Heat analysis 0.30–0.60 0.30–0.60 0.30–0.60
C
Measured on flat specimen.
Product analysis 0.25–0.66 0.25–0.66 0.25–0.66
A
Phosphorus, max 0.025 . 0.025
Heat analysis . 0.015
4.2 Steelmaking Practice—The steel shall be killed and
Product analysis . 0.020
shall conform to the fine grain size requirement of Specifica- A
Sulfur, max 0.025 . 0.010
Heat analysis . 0.010
tion A 20/A 20M.
Product analysis . 0.015
Silicon, max
5. Heat Treatment
Heat analysis 0.10 0.10 0.10
5.1 All plates shall be normalized and tempered except as Product analysis 0.13 0.13 0.13
Chromium
allowed by 5.2. The minimum normalizing temperature for
Heat analysis 2.75–3.25 2.00–2.50 2.75–3.25
Grade 22V shall be 1650°F [900°C]. The minimum normaliz-
Product analysis 2.63–3.37 1.88–2.62 2.63–3.37
ing temperature for Grade 23V shall be 1850°F [1010°C]. The Molybdenum
Heat analysis 0.90–1.10 0.90–1.10 0.90–1.10
minimum tempering temperature shall be 1250°F [675°C].
Product analysis 0.85–1.15 0.85–1.15 0.85–1.15
5.2 Plates ordered without the heat treatment required by
Vanadium
5.1 shall be furnished in either the stress-relieved or the Heat analysis 0.20–0.30 0.25–0.35 0.20–0.30
Product analysis 0.18–0.33 0.23–0.37 0.18–0.33
annealed condition. Heat treatment of plates so ordered, to
Titanium
conformto5.1andtoTable1,shallbetheresponsibilityofthe
Heat analysis 0.015–0.035 0.030, max
Product analysis 0.005–0.045 0.035, max
purchaser.
Boron
Heat analysis 0.001–0.003 0.0020, ma
...