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A new production technology is proposed for 351 × 36 and 426 × 40 mm bimetallic pipe consisting of 10GN2MFA steel with an internal layer of 08Kh18N10T steel (thickness 7 ± 2 mm). Such pipe may be used in nuclear-industry pipelines in place of imported products.
New groove configurations for the pilger mill reduce the nonuniformity of sleeve deformation on transition from the striker to the polishing section and enhance pipe quality. The rolling of 08X18H10Tsteel-Ш pipe blanks (produced by electroslag remelting) by the new method to obtain intermediate pipes is considered. Machining of the intermediate pipes—boring and turning—produces commercial pipe of...
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