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2. ASTM A53 steel - Wikipedia

   en.wikipedia.org/wiki/ASTM_A53_steel

   Scope of ASTM A53 Standard ASTM A53 is standard specification for pipe, steel, black and hot dipped, zinc-coated, welded and seamless. This specification covers seamless and welded black and hot-dipped galvanized steel pipe in NPS 1⁄8 to NPS 26 [DN 6 to DN 650] (Note 1), inclusive, with nominal wall thickness (Note 2) as given in Table X2.2 ...

3. Interpipe Group - Wikipedia

   en.wikipedia.org/wiki/Interpipe_Group

   Interpipe is a globally important player in carbon steel pipes (hence the name), hollow structural sections, train wheels and steel billets markets. [3] In 2020, Interpipe sold 469,900 tons of pipes and 192,400 tons of railway products. In-house steel production amounted to 759,000 tons. [4] 11 000 employees work at Interpipe.

4. Tenaris - Wikipedia

   en.wikipedia.org/wiki/Tenaris

   Tenaris S.A. is a global manufacturer and supplier of steel pipes and related services, primarily for the energy industry with nearly 23,000 employees around the world. [1] It is a majority-owned subsidiary company of the Techint Group, which has interests in steel, energy, engineering and construction and industrial equipment.

5. Corrugated stainless steel tubing - Wikipedia

   en.wikipedia.org/wiki/Corrugated_stainless_steel...

   CSST is used as an alternative to the older standard “black iron” (steel) gas pipe. The inner stainless steel layer of typical residential CSST is .2 to .3 mm thick while the wall thickness of typical residential “black iron” gas pipe is 3 to 4 mm thick. CSST is more expensive than “black iron” gas pipe.

6. List of steel producers - Wikipedia

   en.wikipedia.org/wiki/List_of_steel_producers

   The World Steel Association features a list from its members every year. Due to mergers, year-to-year figures for some producers are not comparable. Not all steel is the same. Some steel is more valuable than other steel, so the volume is not the same as turnover. Some of the world's leading steel producers include China Baowu Group and ...

7. OAO TMK - Wikipedia

   en.wikipedia.org/wiki/OAO_TMK

   'Pipe Metallurgical Co., OJSC') (MCX: TRMK) is a leading global manufacturer and supplier of steel pipes, tubular solutions and related services for the oil and gas industry, and specialty tubular products and pipeline systems for the nuclear, chemical, mechanical engineering and construction industries.