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ASTM A865/A865M-06

Historical Revision

Standard Specification for Threaded Couplings, Steel, Black or Zinc-Coated (Galvanized) Welded or Seamless, for Use in Steel Pipe Joints

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1.1 This specification covers black or galvanized welded or seamless threaded steel couplings for use with steel pipe in NPS 1/8 to NPS 20 [DN 6 to DN 500] inclusive (). Couplings ordered under this specification are intended for the uses outlined in the pipe specifications referencing this specification. The dimensionless designator NPS (nominal pipe size) and DN [diameter nominal] has been substituted in this standard for such traditional terms as nominal diameter, size, and nominal size.

1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.


This guide covers standard specification for black or galvanized welded or seamless threaded steel couplings for use with steel pipe joints in NPS 1/8 to NPS 20 [DN 6 to DN 500] inclusive. The steel for both welded and seamless couplings shall be made by one or more of the following processes: open-hearth, electric-furnace, or basic-oxygen. Welded couplings NPS 3½ [DN 90] and under may be butt-welded. Welded couplings over NPS 3½ [DN 90] shall be electric-welded. The steel shall conform to the required chemical composition for phosphorus and sulfur.


SDO ASTM: ASTM International
Document Number A865
Publication Date July 1, 2006
Language en - English
Page Count 5
Revision Level 06
Supercedes
Committee A01.09
Publish Date Document Id Type View
Sept. 1, 2023 A0865_A0865M-23 Revision
July 1, 2006 A0865_A0865M-06 Revision
Sept. 1, 2017 A0865_A0865M-06R17 Reaffirmation
March 1, 2012 A0865_A0865M-06R12 Reaffirmation