General requirements relating to the supply of steel tubulars and other fittings shall conform to IS 1387.
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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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General requirements relating to the supply of steel tubulars and other fittings shall conform to IS 1387.