This specification(Footnote 2) covers two grades of
electric-resistance-welded steel pipe in NPS 2
to NPS 30 inclusive, with nominal (average) wall thickness up to 0.500
in. (12.70 mm), inclusive,
and in nominal sizes NPS ¾ to NPS 5 inclusive with nominal
(average) wall thickness 0.083
in. (2.11 mm) to 0.134 in. (3.40 mm), depending on size. Pipe having
other dimensions (Note 1) may
be furnished provided such pipe complies with all other requirements
of this specification. The
pipe is intended for conveying gas, vapor, water or other liquid; only
Grade A is adapted for
flanging and bending (Note 2). The suitability of pipe for various
purposes is somewhat dependent
upon its dimensions, properties, and conditions of service, so that
the purpose for which the pipe
is intended should be stated in the order. The pipe may be furnished
either nonexpanded or cold
expanded at the option of the manufacturer. When pipe is cold
expanded, the amount of expansion
shall not exceed 1.5 % of the outside diameter pipe size.
NOTE 1 - A comprehensive listing of standardized pipe dimensions is
contained in ASME B36.10.
NOTE 2 - This provision is not intended to prohibit the cold bending
of Grade B pipe.
The values stated in inch-pound units are to be regarded as the
standard. The SI values, given in
parentheses, are for information only.
Footnote * - A Summary of Changes section appears at the end of this
Footnote 2 - For ASME Boiler and Pressure Vessel Code applications,
see related Specification
SA-135 in Section II of that Code.
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