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Pipes of large diameter are used as pile shells of foundations of bridge spans. Such foundations make it possible heavy deep water bridge spans to erect.

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Thick-walled welded culvert pipes of large diameter

Kurganstalmost mastered manufacturing of thick-walled welded pipes of large diameter. The thickness of the wall, length and diameter of pipes can be of any size within the range permitted by delivery conditions to the customer.

There is a special site for pipe manufacturing which allows organizing stable output up to 500 tons of pipes a month. Forming of a cylinder sidewall of a pipe is carried out on the four-roller sheet-metal bending machine IB 2424 of domestic manufacturing. Automatic double submerged arc welding the elements with each other is carried on specialized stands, rotatingof the pipe at a speed of welding.

Application of large diameter pipes is especially effective for setting hydrotechnical constructions for passing water under the road bed, bridges and so on. Due to their hardness these pipes are indispensable in using in regions with hyper mobility of soil and high seismic activity. Pipes for culverts are produced by sections, equipped with butt collets. The advantages of these pipes are simplicity and high productivity of adjustment on bolts, allowing fulfilling effective assembler work in the field conditions.

The pipes are designed to be used in the regions with service temperature up to -50ºC. Sections of the pipes (walls of the pipes, butt collets) are made of constructional steel of a class not lower than C345. In order to join sections, high-strength bolts of the type XL 110 according to GOST 22353-GOST22356 are used.

Large diameter pipes are used as pile shells of foundations of bridge spans. Such foundations make it possible heavy deep water bridge spans to erect.

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Russia, Kurgan, 640023 JSC "Kurganstalmost"
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fax: (3533) 47-81-17, 47-80-78
E-mail: market@stalmost.zaural.ru
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