ASTM B673-96

Standard Specification for UNS N08904, UNS N08925, and UNS N08926 Welded Pipe

SCOPE
1.1 This specification covers UNS N08904, UNS N08925, 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.

General Information

• Status: Historical
• Publication Date: 09-Oct-1996
• Technical Committee: B02 - Nonferrous Metals and Alloys
• Drafting Committee: B02.07 - Refined Nickel and Cobalt and Their Alloys

Relations

• Replaced By: ASTM B673-96(2002)e1 - Standard Specification for UNS N08904, UNS N08925, and UNS N08926 Welded Pipe
• Effective Date: 10-Oct-1996

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or
withdrawn. Contact ASTM International (www.astm.org) for the latest information.
Designation: B 673 – 96
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Specification for
1
UNS N08904, UNS N08925, and UNS N08926 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 5.1.2 Class,
5.1.3 Quantity (feet or number of lengths),
1.1 This specification covers UNS N08904, UNS N08925,
5.1.4 Size (nominal size or outside diameter and schedule
and UNS N08926* welded pipe for general corrosion applica-
number or average wall thickness),
tions.
5.1.5 Length—Specify cut length or random,
1.2 This specification covers pipe sizes in schedules shown
5.1.6 Certification—State if certification or a report of test
in Table 1.
results is required,
1.3 The values stated in inch-pound units are to be regarded
5.1.7 Purchaser Inspection—State which tests or inspec-
as the standard. The values given in brackets are for informa-
tions are to be witnessed,
tion only.
5.1.8 Ends—Plain ends cut and deburred will be furnished,
2. Referenced Documents unless otherwise specified, and
5.1.9 Samples for Product (Check) Analysis—State whether
2.1 ASTM Standards:
samples shall be furnished.
B 775 Specification for General Requirements for Nickel
2
and Nickel Alloy Seamless and Welded Pipe
6. Materials and Manufacture
2.2 ANSI Standards:
6.1 Pipe shall be made from flat-rolled alloy by an auto-
3
B36.19 Stainless Steel Pipe
matic welding process with no addition of filler metal. Subse-
3
B2.1 Pipe Threads
quent to welding and before final solution treatment, Class 1
and Class 2 material shall be cold worked either in both weld
3. Classification
and base metal or in weld metal only.
3.1 Class 1—Welded, cold worked, solution treated, and
NOTE 1—The recommended heat treatment shall consist of heating to a
nondestructively tested in accordance with 8.3.1.
temperature of 1985 to 2100°F [1085 to 1150°C] for UNS N08904 or
3.2 Class 2—Welded, cold worked, solution treated, and
2010 to 2100°F [1100 to 1150°C] for UNS N08925 and UNS N08926,
nondestructively tested in accordance with 8.3.2.
followed by quenching in water or rapid cooling by other means.
3.3 Class 3—As welded, solution treated, and nondestruc-
6.2 Pipe shall be furnished with oxide removed. When
tively tested in accordance with 8.3.1.
solution treatment is performed in a protective atmosphere,
4. General Requirement
descaling is not necessary.
4.1 Material furnished under this specification shall con-
NOTE 2—Pipe produced with the addition of filler metal is available.
form to the applicable requirements of Specification B 775
The manufacturer must be consulted for applicable requirements.
unless otherwise provided herein.
7. Chemical Composition
5. Ordering Information
7.1 The material shall conform to the requirements as to
5.1 Orders for material under this specification should chemical composition prescribed in Table 2.
include the following information: 7.2 If a product (check) analysis is performed by the
5.1.1 Alloy name or UNS number, purchaser, the material shall conform to the product (check)
analysis variations prescribed in Specification B 775.
8. Mechanical Properties and Other Requirements
1
This specification is under the jurisdiction of Committee B-2 on Nonferrous
Metals and Alloys and is the direct responsibility of Subcommittee B02.07 on
8.1 Tension Test—The tensile properties of the material at
Refined Nickel and Cobalt and Alloys Containing Nickel or Cobalt or Both as
room temperature shall conform to those shown in Table 3.
Principal Constituents.
8.1.1 One tension test shall be made on each lot of pipe.
Current edition approved Oct. 10, 1996. Published December 1996. Originally
published as B 673 – 80. Last previous edition B 673 – 91. 8.2 Flattening Test—One flattening test shall be made on a
* New designation established in accordance with ASTM E 527 and SAE J1086,
specimen from one end of one pipe from each lot.
Practice for Numbering Metals and Alloys (UNS).
8.3 Nondestructive Tests :
2
Annual Book of ASTM Standards, Vol 02.04.
3
8.3.1 Class 1 and Class 3—Each piece in each lot shall be
Available from American National Standards Institute, 11 W. 42nd St., 13th
Floor, New York, NY 10036. subjected to one of the following four tests: hydrostatic,
1

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B 673
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 re
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