Approval Date: March 10, 1997
See Numeric Index for expiration
and any reaffirmation dates.
Case 2237
Alternative Rules for Outside Diameter Tolerance
for Pipe
Section I
Inquiry: May the outside diameter (O.D.) of piping
having a tolerance of 61% be used for the construction
of Section I components?
Reply: It is the opinion of the Committee that pipe
having a tolerance of 61% on the outside diameter may
be used for the construction of Section I components,
excluding those under external pressure, provided the
material complies with all other requirements of the
specifications.
This Case number shall be shown on the documentation
and marking of the material and recorded on the
Manufacturer’s Data Report.