ASTM A336/A336M-05
(Specification)Standard Specification for Alloy Steel Forgings for Pressure and High-Temperature Parts
Standard Specification for Alloy Steel Forgings for Pressure and High-Temperature Parts
SCOPE
1.1 This specification covers ferritic steel forgings for boilers, pressure vessels, high-temperature parts, and associated equipment.
1.2 Forgings made of steel grades listed in Specification A 335/A 335M, may also be ordered under this specification. The chemical, tensile, heat treatment, and marking requirements of Specification A 335/A 335M shall apply, except the forging shall conform to the chemical requirements of Tables 1 and 2 of Specification A 335/A 335M only with respect to heat analysis. On check analysis they may deviate from these limits to the extent permitted in of this specification.
1.3 Supplementary Requirements S1 to S9 are provided for use when additional testing or inspection is desired. These shall apply only when specified individually by the purchaser in the order.
1.4 Unless the order specifies the applicable "M" specification designation, the material shall be furnished to the inch-pound units.
1.5 A 336/A 336M formerly included austenitic steel forgings, which are now found in A 965/A 965M.
1.6 The values stated in either inch-pound units or SI (metric) units are to be regarded separately as standards. Within the text and tables, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independent of the other. Combining values from the two systems may result in nonconformance with the specification.
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Designation: A 336/A 336M – 05
Standard Specification for
Alloy Steel Forgings for Pressure and High-Temperature
1
Parts
This standard is issued under the fixed designationA 336/A 336M; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope* 1.5 Specification A 336/A 336M formerly included austen-
2 itic steel forgings, which are now found in A 965/A 965M.
1.1 This specification covers ferritic steel forgings for
1.6 The values stated in either inch-pound units or SI
boilers, pressure vessels, high-temperature parts, and associ-
(metric) units are to be regarded separately as standards.
ated equipment.
Within the text and tables, the SI units are shown in brackets.
1.2 Forgings made of steel grades listed in Specification
The values stated in each system are not exact equivalents;
A 335/A 335M, may also be ordered under this specification.
therefore, each system must be used independent of the other.
The chemical, tensile, heat treatment, and marking require-
Combining values from the two systems may result in noncon-
ments of Specification A 335/A 335M shall apply, except the
formance with the specification.
forging shall conform to the chemical requirements ofTables 1
and 2 of SpecificationA 335/A 335M only with respect to heat
2. Referenced Documents
analysis. On check analysis they may deviate from these limits
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2.1 ASTM Standards:
to the extent permitted in Table 1 of this specification.
A 275/A 275M Test Method for Magnetic Particle Exami-
Current Formerly
nation of Steel Forgings
Grade F1 Class F1
A 335/A 335M Specification for Seamless Ferritic Alloy-
Grade F11, Class 2 Class F11
Steel Pipe for High-Temperature Service
Grade F11, Class 3 Class F11A
A 370 Test Methods and Definitions for MechanicalTesting
Grade F11, Class 1 Class F11B
Grade F12 Class F12
of Steel Products
Grade F5 Class F5
A 788 Specification for Steel Forgings, General Require-
Grade F5A Class F5A
ments
Grade F9 Class F9
Grade F6 Class F6
A 965/A 965M Specification for Steel Forgings,Austenitic,
Grade F21 Class 1 Class F21A
for Pressure and High Temperature Parts
Grade F21, Class 3 Class F21
E 165 Test Method for Liquid Penetrant Examination
Grade F22, Class 1 Class F22A
Grade F22, Class 3 Class F22
2.2 Other Standard:
Grade F91 Class F91
ASME Boiler and Pressure Vessel Code, Section IX, Weld-
Grade F3V Class F3V
4
ing Qualifications
Grade F22V Class F22V
1.3 Supplementary Requirements S1 to S9 are provided for
3. Ordering Information and General Requirements
usewhenadditionaltestingorinspectionisdesired.Theseshall
3.1 In addition to the ordering information required by
apply only when specified individually by the purchaser in the
Specification A 788, the purchaser should include with the
order.
inquiry and order the following information:
1.4 Unless the order specifies the applicable “M” specifica-
3.1.1 Adrawingorsketchthatshowstestlocationswhenthe
tion designation, the material shall be furnished to the inch-
testing is in accordance with 8.1.1.3.
pound units.
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
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Stainless Steel, and RelatedAlloys 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, 2005. Published March 2005. Originally Standards volume information, refer to the standard’s Document Summary page on
approved in 1955. Last previous edition approved in 2003 asA 336/A 336M – 03a. the ASTM website.
2 4
For ASME Boiler and Pressure Vessel Code applications, see related Specifi- Available from American Society of Mechanical Engineers (ASME), ASME
cation SA-336/SA-336M in Section II of that Code. International Headquarters, Three Park Ave., New York, NY 10016-5990.
*ASummary 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.
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A 336/A 336M – 05
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TABLE 1 Tensile Requirements
Ferritic Steels
Grade
F11, F11, F11, F21, Class F21, F22, F22, Class
F1 F12 F5 F5A F9 F6 F91 F911 F3V F3VCb F22V
Class 2 Class 3 Class 1 3 Class 1 Class 3 1
Tensile strength, 70 000- 70 000- 75 000- 60 000- 70 000- 60 000- 80 000- 85 000- 85 000- 75 000- 60 000- 75 000- 60 000- 85 000- 90 000- 85 000- 85 000- 85 000-
psi [MPa] 95 000 95 000 100 000 85 000 95 000
...
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