FIELD: metallurgy.
SUBSTANCE: method comprises production of hollow centrifugaly cast billets, their boring and turning, heating to a ductility temperature and rolling on Pilger mill and then on CRM mills.
EFFECT: reduced metal consumption provided by regulation of characteristics of workpieces and their modes of treatment at all stages of production.
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| Title | Year | Author | Number |
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| PRODUCTION OF SEAMLESS COLD-FORMED OIL-WELL TUBING SIZED TO 168,3×10,6×5000-10000 mm | 2013 |
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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 OF PRODUCING COLD-DEFORMED COUPLING PIPES OF 132,1 × 18 × 11.750-12.350 mm SIZE FROM CORROSION-RESISTANT ALLOY OF "ХН30МДБ" GRADE | 2016 |
|
RU2614477C1 |
| METHOD OF MANUFACTURING SEAMLESS COLD PIPES OF SIZE 168, 3Kh10, 6Kh10, 6Kh5000-10000 mm OF CORROSION-RESISTANT ALLOY OF KhN30MDB GRADE | 2016 |
|
RU2614972C1 |
| METHOD OF PRODUCING PIG PIPE SIZES 132,1(18 MM FOR MANUFACTURING COUPLINGS CRA-W BRANDS HN30MDB | 2014 |
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| METHOD OF PRODUCING COLD-DEFORMED COUPLING PIPES OF 108×18×7,400-7,600 MM SIZE FROM CORROSION-RESISTANT ALLOY OF "ХН30МДБ" GRADE | 2016 |
|
RU2615386C1 |
| METHOD OF PRODUCING COLD-DEFORMED COUPLING PIPES OF 108×18 mm SIZE FROM CORROSION-RESISTANT ALLOY OF "ХН30МДБ" GRADE | 2016 |
|
RU2613813C1 |
| METHOD OF MANUFACTURING SEAMLESS COLD PIPES OF SIZE 168,3X10,6X8,900-9,100 MM OF CORROSION-RESISTANT ALLOY OF "ХН30МДБ" GRADE | 2016 |
|
RU2617079C1 |
| 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 |
|
RU2523398C1 |
