METHOD OF MANUFACTURING SEAMLESS PIPES OF SIZE 426X11-13 MM FOR NUCLEAR POWER FACILITIES OF STEEL OF "08Х18Н10-Ш" GRADE Russian patent published in 2017 - IPC B21B23/00 B21B21/00 B21B19/04 

Abstract RU 2617084 C1

FIELD: metallurgy.

SUBSTANCE: pipes production is carried out of stock pipe billets of 474×13×4,700-5,000 mm size obtained by mechanical processing: boring and turning of stock hot-rolled pipes of 490×32×9,400-10,000 mm size, rolled at PRM 8-16" with Pilger mills from hollow ESR ingot-billets of 650×ID.300×2,100±50 mm.

EFFECT: reduced metal consumption, reduced roughness of outer and inner pipe surfaces and increased length of pipe.

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RU 2 617 084 C1

Authors

Safyanov Anatolij Vasilevich

Dates

2017-04-19Published

2016-03-22Filed