TPi March 2013

large diameter pipe

Large diameter manufacturer Siderúrgica de Tubo Soldado Tubular Group (STS) specialises in large diameter helically welded steel pipes. STS offers a range of pipeline services, from oil and gas, and water to structural pipes. The diameter of the pipe can vary from 20" to 120", and the maximum thickness of the pipes can reach 25.4mm (1"). is equipped with the latest technology, located in the North of Spain. STS offers integrated solutions to clients. As well as manufacturing pipe, the company has a coating plant within its pipe mill, which can provide exterior coating with hot-melt extruded polyethylene, using a two or three layer system, as well as with polypropylene, fusion bonded epoxy (FBE) and polyurethane (PUR). For internal coating, alimentary epoxy paint

suitable for drinking water is used, and other epoxy paints are used for gas, oil and various applications. Siderúrgica de Tubo Soldado Tubular Group SA – Spain www.sts-pipe.com

The company leads a group dedicated to the manufacturing and specific coating of pipes with a 450,000m 2 pipe mill that Stock extension Hart bv supplies full packages of piping materials, plate and bar for large projects on long delivery times in nickel alloys. Customer specifications and additional testing is standard for such projects. For shutdowns and maintenance jobs, Hart uses its large stocks in Alloy 200, 201, 400, 600, 625 and 825 seamless

developed to be a major stockholder of flanges and fittings in low alloys and stainless steel, holding many contracts with large petro-chemical companies.

pipe, fittings and flanges. The company recently increased its stock with new sizes of seamless pipe. Hart already stocked BW fittings in Alloy 400 and Alloy 600, and Alloy 625 and 825 were also added. Hart bv was established in 1964, and quickly

Hart bv – The Netherlands sales@hartbv.nl www.hartbv.nl

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March 2013 Tube Products International