scope:

1.1 This specification covers the requirements for welded and seamless carbon steel pipe nipples, black and zinc-coated (hot-dip galvanized), and welded and seamless austenitic stainless steel pipe nipples in standard steel pipe sizes from ¹/₈ to 12 in. inclusive, in standard or special lengths.

1.1.1 Welded Carbon Steel-Pipe nipples ordered under these requirements are intended for general uses, as described by Specification A53/A53M.

1.1.2 Seamless Carbon Steel-Pipe nipples ordered under these requirements are intended for general and special uses, as described by the applicable Specifications A53/A53M and A106/A106M (see 4.1.1).

1.1.3 Austenitic Stainless Steel-Pipe nipples ordered under these requirements are intended for high-temperature and general corrosion service, as described by Specification A312/A312M (see 4.1.2).

1.1.4 The text for this specification contains notes and/or footnotes that provide explanatory material. Such notes and footnotes, excluding those in tables, do not contain any mandatory language.

1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

abstract: