ASTM International - ASTM A865-97(2002)
Standard Specification for Threaded Couplings, Steel, Black or Zinc-Coated (Galvanized) Welded or Seamless, for Use in Steel Pipe Joints
|Publication Date:||10 September 1997|
|ICS Code (Flanges, couplings and joints):||23.040.60|
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 inclusive (Note 1). Couplings ordered under this specification are intended for the uses outlined in the pipe specifications referencing this specification.
Note 1-The dimensionless designator NPS (nominal pipe size) has been substituted in this standard for such traditional terms as nominal diameter, size, and nominal size.
1.2 The values stated in inch-pound units are to be regarded as standard. The metric values may be approximate.