Close taper and running nipples shall be made only from heavy tubes. Barrel nipples shall be made either from medium or heavy tubes. The dimensions of nipples shall be as given in Table 2.
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IS 1239 (Part 2):2011, Steel Tubes, Tubulars and Other Steel Fittings — Specification, Part 2 Steel Pipe Fittings
Last Updated 29 Oct 2026
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Close taper and running nipples shall be made only from heavy tubes. Barrel nipples shall be made either from medium or heavy tubes. The dimensions of nipples shall be as given in Table 2.