Steel plugs, Dnepropetrovsk region.

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Plug steel GOST 17379-2001
GOST 17379-2001. This standard applies to seamless welded elliptical plugs made of carbon and low-alloy steel.(//tractor-service.com)
The field of application of taps - in accordance with section 1 of GOST 17380.
GOST 17380-2001. This standard establishes general technical conditions for seamless welding taps, tees, transitions and plugs made of carbon and low-alloy steel. The parts are used for pipelines of various purposes, including controlled by supervisory bodies, at PN (Py) up to 16 MPa and at temperatures from minus 70 to plus 450 degrees. C in accordance with the design and (or) design documentation, in which the conditions of application (operation) of parts are established on the basis of the results of strength calculations taking into account all external and internal force effects, properties of the substances transported through the pipeline and the environment, the estimated service life and (or) resource, the frequency and volume of regular work and repairs, the requirements of this standard, the norms and rules of supervisory bodies and other regulatory documents for the design, construction and operation of pipelines
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