ASTM B673-04
(Specification)Standard Specification for UNS N08904, UNS N08925, and UNS N08926 Welded Pipe
Standard Specification for UNS N08904, UNS N08925, and UNS N08926 Welded Pipe
SCOPE
1.1 This specification covers UNS N08904, UNS N08925, UNS N08354, and UNS N08926* welded pipe for general corrosion applications.
1.2 This specification covers pipe sizes in schedules shown in Table 1.
1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in brackets are for information only.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to become familiar with all hazards including those identified in the appropriate Material Safety Data Sheet for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use.
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: B 673 – 04
Standard Specification for
UNS N08904, UNS N08925, UNS N08354, and UNS N08926
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Welded Pipe
This standard is issued under the fixed designation B 673; 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.
1. Scope 3.2 Class 2—Welded, cold worked, solution treated, and
nondestructively tested in accordance with 8.3.2.
1.1 This specification covers UNS N08904, UNS N08925,
3.3 Class 3—As welded, solution treated, and nondestruc-
UNS N08354, and UNS N08926* welded pipe for general
tively tested in accordance with 8.3.1.
corrosion applications.
1.2 This specification covers pipe sizes in schedules shown
4. General Requirement
in Table 1.
4.1 Material furnished under this specification shall con-
1.3 The values stated in inch-pound units are to be regarded
form to the applicable requirements of Specification B 775
as the standard. The values given in brackets are for informa-
unless otherwise provided herein.
tion only.
1.4 This standard does not purport to address all of the
5. Ordering Information
safety concerns, if any, associated with its use. It is the
5.1 Orders for material under this specification should
responsibility of the user of this standard to become familiar
include the following information:
with all hazards including those identified in the appropriate
5.1.1 Alloy name or UNS number,
Material Safety Data Sheet for this product/material as pro-
5.1.2 Class,
vided by the manufacturer, to establish appropriate safety and
5.1.3 Quantity (feet or number of lengths),
health practices, and determine the applicability of regulatory
5.1.4 Size (nominal size or outside diameter and schedule
limitations prior to use.
number or average wall thickness),
2. Referenced Documents 5.1.5 Length—Specify cut length or random,
2 5.1.6 Certification—State if certification or a report of test
2.1 ASTM Standards:
results is required,
B 775 Specification for General Requirements for Nickel
5.1.7 Purchaser Inspection—State which tests or inspec-
and Nickel Alloy Welded Pipe
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tions are to be witnessed,
2.2 ANSI Standards:
5.1.8 Ends—Plain ends cut and deburred will be furnished,
B2.1 Pipe Threads
unless otherwise specified, and
B31.10 Power Piping
5.1.9 Samples for Product (Check) Analysis—State whether
B36.10 Welded and Seamless Wrought Steel Pipe
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samples shall be furnished.
B36.19 Stainless Steel Pipe
6. Materials and Manufacture
3. Classification
6.1 Pipe shall be made from flat-rolled alloy by an auto-
3.1 Class 1—Welded, cold worked, solution treated, and
matic welding process with no addition of filler metal. Subse-
nondestructively tested in accordance with 8.3.1.
quent to welding and before final solution treatment, Class 1
and Class 2 material shall be cold worked either in both weld
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This specification is under the jurisdiction of ASTM Committee B02 on and base metal or in weld metal only.
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee
NOTE 1—The recommended heat treatment shall consist of heating to a
B02.07 on Refined Nickel and Cobalt and Their Alloys .
Current edition approved Oct. 1, 2004. Published November 20004. Originally temperature of 1985 to 2100°F [1085 to 1150°C] for UNS N08904, 1975
e1
approved in 1980. Last previous edition approved in 2002 as B 673 – 96 (2002) .
to 2150°F [1080 to 1180°C] for UNS N08354, or 2010 to 2100°F [1100
* New designation established in accordance withASTM E 527 and SAE J1086,
to 1150°C] for UNS N08925 and UNS N08926, followed by quenching in
Practice for Numbering Metals and Alloys (UNS).
water or rapid cooling by other means.
2
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 6.2 Pipe shall be furnished with oxide removed. When
Standards volume information, refer to the standard’s Document Summary page on
solution treatment is performed in a protective atmosphere,
the ASTM website.
descaling is not necessary.
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Available from American National Standards Institute, 25 W. 43rd St., 4th
Floor, New York, NY 10036.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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B673–04
TABLE 1 Dimensions of Welded Pipe
NOTE 1—The following table is a partial reprint of Table 1 of ANSI B36.19.
NOTE 2—The decimal thicknesses listed for the respective pipe sizes represent their nominal wall dimensions.
NOTE 3—1 in. = 25.4 mm.
Nominal Nominal Wall Thickness, in.
Pipe Size, Outside Diameter
A A
Schedule 5S Schedule 10S Schedule
...
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