ASTM A335/A335M-95a
(Specification)Standard Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service
Standard Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service
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An American National Standard
Designation: A 335/A 335M - 95a
#
Standard Specification for
Seamless Ferritic Alloy-Steel Pipe for High-Temperature
Service1
This standard is issued under the fixed designation A 335/A 335M; 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. Consult the DoD Index of Specifications and
Standards for the specific year of issue which has been adopted by the Department of Defense.
1. Scope E213 Practice for Ultrasonic Examination of Metal Pipe
and Tubing4
1.1 This specification2 covers nominal (average) wall seam-
E 309 Practice for Eddy-Current Examination of Steel Tu-
less alloy-steel pipe intended for high-temperature service.
bular Products Using Magnetic Saturation4
Pipe ordered to this specification shall be suitable for bending,
E 381 Method of Macroetch Testing, Inspection, and Rating
flanging (vanstoning), and similar forming operations, and for
Steel Products, Comprising Bars, Billets, Blooms, and
fusion welding. Selection will depend upon design, service
Forgings5
conditions, mechanical properties, and high-temperature char-
E 527 Practice for Numbering Alloys and Metals (UNS)3
acteristics.
E 570 Practice for Flux Leakage Examination of Ferromag-
1.2 Several grades of ferritic steels (Note 1) are covered.
netic Steel Tubular Products4
Their compositions are given in Table 1.
2.2 Other Documents:
NOTE 1—Ferritic steels in this specification are defined as low- and
SNT-TC-1A Recommended Practice for Nondestructive
intermediate-alloy steels containing up to and including 10 % chromium.
Personnel Qualification and Certification6
1.3 Supplementary requirements (S1 to S7) of an optional
SAE J 1086 Practice for Numbering Metals and Alloys
nature are provided. These supplementary requirements call for
(UNS)7
additional tests to be made, and when desired, shall be so stated
in the order together with the number of such tests required.
3. Ordering Information
1.4 The values stated in either inch-pound units or SI units
3.1 Orders for material under this specification should
are to be regarded separately as standard. Within the text, the
include the following, as required, to describe the desired
SI units are shown in brackets. The values stated in each
material adequately:
system are not exact equivalents; therefore, each system must
3.1.1 Quantity (feet, centimetres, or number of lengths),
be used independently of the other. Combining values from the
3.1.2 Name of material (seamless alloy steel pipe),
two systems may result in nonconformance with the specifi-
3.1.3 Grade (Table 1),
cation. The inch-pound units shall apply unless the "M"
3.1.4 Manufacture (hot-finished or cold-drawn),
designation of this specification is specified in the order.
3.1.5 Size (NPS or outside diameter and schedule number or
NOTE 2—The dimensionless designator NPS (nominal pipe size) has
average wall thickness),
been substituted in this standard for such traditional terms as "nominal
3.1.6 Length (specific or random),
diameter," "size," and "nominal size."
3.1.7 End finish (Ends Section of Specification A 530/
A 530M),
2. Referenced Documents
3.1.8 Optional requirements (Section 8, 10 and 11 of this
2.1 ASTM Standards:
specification. See the Sections on Hydrostatic Test Require-
A 450/A 450M Specification for General Requirements for
ments and Permissible Variation in Weight for Seamless Pipe in
Carbon Ferritic Alloy, and Austenitic Alloy Steel Tube3
Specification A 530/A 530M),
A 530/A 530M Specification for General Requirements for
3.1.9 Test report required (Certification Section of Specifi-
Specialized Carbon and Alloy Steel Pipe3
cation A 530/A 530M),
3.1.10 Specification designation, and
' This specification is under the jurisdiction of ASTM Committee A-l on Steel,
Stainless Steel, and Related Alloys, and is the direct responsibility of Subcommittee
A01.10 on Tubing. 4 Annual Book of ASTM Standards. Vol 03.03.
Current edition approved Nov. 10, 1995. Published March 1996. Originally 5 Annual Book of ASTM Standards, Vol 03.01.
published as A 335 - 51 T. Last previous edition A 335/A 335M - 95. 6 Available from the American Society for Nondestructive Testing, 1711 Arlin-
2 For ASME Boiler and Pressure Vessel Code applications see related Specifi- gate Plaza, PO Box 28518, Columbus, OH 43228-0518.
cation SA-335 in Section II of that Code. 7 Available from Society of Automotive Engineers, 400 Commonwealth Drive,
3 Annual Boo
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