12.1
The procedure for sampling of tubulars, sockets and fittings for various tests shall be given in IS 4711.
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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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The procedure for sampling of tubulars, sockets and fittings for various tests shall be given in IS 4711.