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Pipe Types

Steel pipes for process piping and pipelines

Types of Oil & Gas Pipes: Seamless, ERW, LSAW

Learn about the 3 types of steel pipes used in the petrochemical industry: seamless, ERW (electric resistance welding) and LSAW (longitudinal submerged arc welding). A seamless pipe is manufactured by drawing a solid steel billet through a piercing rod. Welded pipes are produced by cutting, bending, welding coils (ERW) or steel plates (LSAW). SEAMLESS PIPE Seamless pipes are produced starting from steel billets, that are… read more »

OCTG Pipes Types

What are OCTG pipes? Oil country tubular goods are pipes used for onshore and offshore oil & gas upstream operations (extract oil and gas from the wellbore). OCTG pipes may be classified into three main families: drill pipes (to perforate the soil and reach the reserve), casing pipes (to consolidate the well and prepare it… read more »

Difference Pipe vs. Tube Explained

A recurring question is “what is the basic difference between pipe and tube”? The short answer is: A PIPE is a round tubular to distribute fluids and gases, designated by a nominal pipe size (NPS or DN) that represents a rough indication of the pipe conveyance capacity; a TUBE is a round, rectangular, squared or… read more »

Pipes Manufacturers and Stockists

This article shows a comprehensive list of the mills where to buy seamless and welded steel pipes: pipe manufacturers in Europe, USA, India, China, and Japan.   COUNTRY PIPE MANUFACTURER (MILL) Austria Voest Alpine Tubulars Austria Schoeller Bleckmann Edelstahlrohr China Hengyang Valin Steel Tubes China Baosteel China TPCO Czech Republic TRINECKE ZELEZARNY (Moravia Steel Group) Czech… read more »

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