ASTM A865-03

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Please contact ASTM International (www.astm.org) for the latest information.
Designation: A 865 – 03
Standard Specification for
Threaded Couplings, Steel, Black or Zinc-Coated
(Galvanized) Welded or Seamless, for Use in Steel Pipe
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Joints
This standard is issued under the fixed designation A 865; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope* 3. Ordering Information
1.1 This specification covers black or galvanized welded or 3.1 Orders for material under this specification should
seamless threaded steel couplings for use with steel pipe in include the following, as required, to describe the desired
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NPS ⁄8 to NPS 20 inclusive (Note 1). Couplings ordered under material adequately:
this specification are intended for the uses outlined in the pipe 3.1.1 Specification number,
specifications referencing this specification. 3.1.2 Quantity (pieces),
3.1.3 Name of material (steel pipe-couplings),
NOTE 1—The dimensionless designator NPS (nominal pipe size) has
3.1.4 Method of manufacture (welded or seamless),
been substituted in this standard for such traditional terms as nominal
3.1.5 Finish (black or Type I or Type II) galvanized (see
diameter, size, and nominal size.
8.1),
1.2 The values stated in inch-pound units are to be regarded
3.1.6 Size (NPS designator),
as standard. The metric values may be approximate.
3.1.7 Standard or extra-strong classification,
3.1.8 Taper tapped-couplings for NPS 2 and smaller, either
2. Referenced Documents
recessed or non-recessed, if desired, and
2.1 ASTM Standards:
3.1.9 Certification (see 11.3), if required.
A 700 Practices for Packaging, Marking, and Loading
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Methods for Steel Products for Domestic Shipment
4. Process
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B6 Specification for Zinc
4.1 The steel for both welded and seamless couplings shall
E 376 Practice for Measuring Coating Thickness by
be made by one or more of the following processes: open-
Magnetic-Field or Eddy-Current (Electromagnetic) Test
hearth, electric-furnace, or basic-oxygen.
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Methods
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4.2 Welded couplings NPS 3 ⁄2 and under may be butt-
2.2 ANSI Standard:
welded, unless otherwise specified. Welded couplings over
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B 1.20.1 Pipe Threads
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NPS 3 ⁄2 shall be electric-welded.
2.3 API Standards:
5B Specification forThreading, Gaging, andThread Inspec-
5. Chemical Composition
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tion of Casing, Tubing, and Line Pipe Threads
5.1 The steel shall conform to the chemical composition
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5L Specification for Line Pipe
requirements as specified in Table 1.
6. Dimensions
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This specification is under the jurisdiction of ASTM Committee A01 on Steel,
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
6.1 Coupling dimensions are listed in Tables 2-4 and (see
A01.09 on Carbon Steel Tubular Products.
Figs. 1-3).
Current edition approved Apr. 10, 2003. Published May 2003. Originally
approved in 1986. Last previous edition approved in 2002 as A 865-97 (2002).
7. Permissible Variations in Dimensions
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Annual Book of ASTM Standards, Vol 01.05.
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1
Annual Book of ASTM Standards, Vol 02.04.
7.1 Diameter—For couplings NPS 1 ⁄2 and under, the
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Annual Book of ASTM Standards, Vol 03.03.
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outside diameter at any point shall not vary more than ⁄64 in.
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Available from American National Standards Institute, 25 W. 43rd St., 4th
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(0.4 mm) over nor more than ⁄32 in. (0.8 mm) under the
Floor, New York, NY 10036.
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Available fromAmerican Petroleum Institute, 1220 L Street, NW, Washington,
DC 20005.
*A Summary 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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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Please contact ASTM International (www.astm.org) for the latest information.
A 865–03
TABLE 1 Chemical Requirements
10.2 The zinc coating on galvanized couplings shall be free
Composition, max % of voids or excessive roughness.
Phosphorus Sulfur
11. Inspection and Certification
All processes 0.14 0.35
11.1 The inspector representing the purchaser shall have
entry, at all times while work on the contract of the purchaser
is being performed, to all parts of the manufacturer’s works
standard specified. For couplings NPS 2 and over, the outside
that concern the manufacture of the material ordered. The
diameter shall not vary more than 61 % from the standard
manufacturer shall afford the inspector all reasonable facilities
specified.
tosatisfyhimthatthematerialisbeingfurnishedinaccordance
7.2 Threads—The variation of the threads shall not exceed
with this specification.All tests and inspection
...