METHOD FOR PRODUCING SEAMLESS PIPES OF 426×8-13 mm SIZE MADE OF STEEL MARK '08Х18Н10Т-Ш'

摘要

FIELD: metallurgy.;SUBSTANCE: casting the hollow ingots is carried out with electroslag remelting, boring and turning them into hollow ingot-billets, heating ingot-billets in a methodical furnace, rolling them on a pilgrim mill, and then rolling mechanically processed billets in a CRP mill into commodity pipes as described in the formula routes.;EFFECT: reducing the metal consumption, the roughness of the outer and inner surfaces, increasing the length of the pipes.;3 cl, 1 tbl