ASTM B677-04a
(Specification)Standard Specification for UNS N08904, UNS N08925, UNS N08354, and UNS N08926 Seamless Pipe and Tube
Standard Specification for UNS N08904, UNS N08925, UNS N08354, and UNS N08926 Seamless Pipe and Tube
SCOPE
1.1 This specification covers UNS N08904, UNS N08925, UNS N08354, and UNS N08926* seamless, cold-worked or hot-finished pipe and tube intended for general corrosive service.
1.2 The values stated in inch-pound units are to be regarded as the standard.
1.3 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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Designation: B 677 – 04a
Standard Specification for
UNS N08904, UNS N08925, UNS N08354, and UNS N08926
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Seamless Pipe and Tube
This standard is issued under the fixed designation B 677; 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 4. General Requirements
1.1 This specification covers UNS N08904, UNS N08925, 4.1 Material furnished under this specification shall con-
UNS N08354, and UNS N08926* seamless, cold-worked or form to the requirements of Specification B 829 unless other-
hot-finished pipe and tube intended for general corrosive wise provided herein. In the case of conflict, the requirements
service. of this specification shall take precedence.
1.2 The values stated in inch-pound units are to be regarded
5. Ordering Information
as the standard.
1.3 This standard does not purport to address all of the 5.1 It is the responsibility of the purchaser to specify all
requirements that are necessary for material ordered under this
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to become familiar specification. Examples of such requirements include, but are
not limited to, the following:
with all hazards including those identified in the appropriate
Material Safety Data Sheet for this product/material as pro- 5.1.1 Alloy name or UNS number.
5.1.2 ASTM designation and year of issue.
vided by the manufacturer, to establish appropriate safety and
health practices, and determine the applicability of regulatory 5.1.3 Finish.
5.1.4 Dimensions:
limitations prior to use.
5.1.4.1 Tube—Outside diameter and the average or mini-
2. Referenced Documents
mum wall thickness.
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2.1 ASTM Standards: 5.1.4.2 Pipe—Standard pipe size and schedule (Appendix
B 829 Specification for General Requirements for Nickel X1).
and Nickel Alloys Seamless Pipe and Tube 5.1.4.3 Length, (cut to length or random).
5.1.5 Quantity (feet or number of pieces).
3. Terminology Definitions
5.1.6 Nondestructive Testing (see 8.2):
3.1 average diameter, n—the average of the maximum and
5.1.6.1 Pressure Requirements—Test pressure if other than
minimum outside diameters as determined at any one cross required by 8.2.1.
section of the tube or pipe.
5.1.6.2 Specify if an electric test is to be performed.
3.2 pipe, n—seamless tube conforming to the particular 5.1.7 Ends—Plain ends cut and deburred will be furnished.
dimensions commercially known as standard pipe sizes (Ap-
If threaded ends or ends beveled for welding are desired, give
pendix X1). details.
3.3 tube, n—a hollow product of round or any other cross
5.1.8 Certification—State if certification is required.
section having a continuous periphery. 5.1.9 Samples for Product (Check) Analysis—State whether
samples for product (check) analysis should be furnished (see
7.2).
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This specification is under the jurisdiction of ASTM Committee B02 on
5.1.10 Purchaser Inspection—If the purchaser wishes to
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee
B02.07 on Refined Nickel and Cobalt and Their Alloys. witness tests or inspection of material at the place of manu-
Current edition approved Oct. 1, 2004. Published November 2004. Originally
facture, the purchase order must so state, indicating which tests
approved in 1980. Last previous edition approved in 2004 as B 677 – 04.
or inspections are to be witnessed.
* New designation established in accordance withASTM E 527 and SAE J1086,
Recommended Practice for Numbering Metals and Alloys (UNS).
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6. Materials and Manufacture
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
6.1 The material shall be supplied in the solution-treated
Standards volume information, refer to the standard’s Document Summary page on
condition.
the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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B 677 – 04a
TABLE 1 Chemical Requirements
Element UNS N08904 UNS N08925 UNS N08926 UNS N08354
Carbon, max 0.020 0.020 0.020 0.030
Manganese, max 2.0 1.0 2.00 1.00
Phosphorus, max 0.045 0.045 0.03 0.030
Sulfur, max 0.035 0.030 0.01 0.010
Silicon, max 1.00 0.50 0.5 1.00
Nickel 23.0 to 28.0 24.0 to 26.0 24.00 to 26.00 22.0 to 24.0
Chromium 19.0 to 23.0 19.0 to 21.0 19.00 to 21.00 34.0 to 36.0
Molybdenum 4.0 to 5.0 6.0 to 7.0 6.0 to 7.0 7.0 to 8.0
Copper 1.0 to 2.0 0.8 to 1.5 0.5 to 1.5 .
Nitrogen . 0.1 to 0.2 0.15 to 0.25 0.17 to 0.24
Iron balance balance balance balance
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