FIELD: metallurgy.
SUBSTANCE: hollow centrifugal cast billets of 450×120×2700±50 mm size from alloy of "ХН30МДБ" grade are used as workpiece, their regulated boring, heating and rolling is carried out on Pilger mill to rerolled hot-rolled pipes, then their rolling on CRM mill to re-rolled cold-deformed pipes, rolling and cutting on CRM mill to commercial pipes is carried out.
EFFECT: reduced metal consumption.
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| Title | Year | Author | Number |
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| METHOD OF PRODUCING COLD-DEFORMED COUPLING PIPES OF 132,1 × 18 × 11.750-12.350 mm SIZE FROM CORROSION-RESISTANT ALLOY OF "ХН30МДБ" GRADE | 2016 |
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| METHOD OF PRODUCING COLD-DEFORMED COUPLING PIPES OF 132,1×18×10600-10800 mm SIZE FROM CORROSION-RESISTANT ALLOY OF KHN30MDB GRADE | 2016 |
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| METHOD FOR PRODUCING COLD-DEFORMED COUPLING PIPES OF 187,7×25×12300-12900 mm SIZE FROM CORROSION-RESISTANT ALLOY OF "ХН30МДБ" GRADE | 2016 |
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| METHOD OF PRODUCING COLD-DEFORMED COUPLING PIPES OF 187,7×25×8300- 8500 mm FROM CORROSION-RESISTANT ALLOY OF "ХН30МДБ" GRADE | 2016 |
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| METHOD OF MANUFACTURING SEAMLESS COLD PIPES OF SIZE 168,3X10,6X8,900-9,100 MM OF CORROSION-RESISTANT ALLOY OF "ХН30МДБ" GRADE | 2016 |
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| METHOD OF PRODUCING COLD-DEFORMED COUPLING PIPES OF 114,3x6,88 mm SIZE FROM CORROSION-RESISTANT ALLOY OF "ХН30МДБ" GRADE | 2016 |
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| PRODUCTION OF SEAMLESS COLD-FORMED OIL-WELL TUBING SIZED TO 114,3×6, 8×9000-10700 mm FROM CORROSION-RESISTANT ALLOY OF "ХН30МДБ-Ш" GRADE | 2012 |
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