FIELD: process engineering.
SUBSTANCE: invention relates to metallurgy. Ingots are cast by ESR process to size of 480×1800±25 mm. They are turned to ingots-billets sized to 465±5.0×1800±25 mm and central through 100±5 mm-dia hole is drilled. Said ingots-billets are heated to 1040-1050°C. Then, they are pierced at helical rolling mill to 460×ID290×2820-2900 mm sleeves with diameter reduction Δ of 0 to 2.2% and rolling-out µred. of 1.59 to 1.61. Said sleeves are rolled at Pilger mill to rerolled pipe sets sized to 287×11×25500-27000 mm with rolling-out Δr=10.50 and diameter reduction Δ=37.4%. Pipe sets are cut by saw to equal-size 10200-10500 mm-long lengths. Said pipes are straightened and cut to equal lengths. The latter are turned and bored to 281.1±2.0×5+1.5/-1.0 cylindrical pipes and heat-shaped to preset-size hexagonal pipe-billets.
EFFECT: decreased metal consumption factor.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| PRODUCTION OF 255×5+1,5/-1,0×4300+80/-30 mm HEXAGONAL "TURNKEY" PIPE-BILLETS FOR COMPACTED STORAGE AND TRANSPORTATION OF USED NUCLEAR FUEL | 2013 |
|
RU2547613C1 |
| METHOD OF HEXAGONAL PIPE BLANC PRODUCTION OF TURNKEY SIZE 252,6×5+1,5/-1,0×4300+80/-30 mm FOR COMPACT STORAGE AND TRANSPORTATION OF SPENT NUCLEAR FUEL | 2013 |
|
RU2542054C1 |
| METHOD OF PRODUCING OF TUBE STOCK SIZED TO 290X12 MM TO SPECS 8-16 | 2012 |
|
RU2511199C1 |
| METHOD TO MANUFACTURE HEXAHEDRAL STOCK PIPES WITH FLAT-TO-FLAT DIMENSION 255×5+1,5/-1,0×4300+80/-30 mm FOR STORAGE AND TRANSPORTATION OF SPENT NUCLEAR FUEL | 2013 |
|
RU2547055C1 |
| PRODUCTION OF REROLLED 290×12 mm PIPES AT PRU 8-16" WITH PILGER MILLS FROM ESR INGOTS-BILLETS OF LOW-DUCTILITY "04Х14Т3Р1Ф-Ш"- AND "04Х14Т5Р2Ф-Ш"-GRADE STEELS WITH BORON CONTENT OF 1,3-3,5% FOR FABRICATION OF HEXAGONAL TURNKEY PIPE BILLETS SIZED TO 257+2,0/-3,0×6,0+2,0/-1,0×4300+80/-30 mm FOR RACKS OF NUCLEAR POWER STATION USED FUEL COOLING POND | 2013 |
|
RU2550032C2 |
| METHOD OF MAKING 257+2,0/-3,0×6,0+2,0/-1,0×4300+80/-30 mm-HEXAGONAL TUBE BILLETS | 2011 |
|
RU2470723C1 |
| PRODUCTION OF 255±2,0×5,0+1,5/-1,0×4300+80/-30 mm HEXAGONAL "TURNKEY" PIPE-BILLETS FOR COMPACTED STORAGE AND TRANSPORTATION OF USED NUCLEAR FUEL | 2013 |
|
RU2557383C2 |
| PRODUCTION OF REROLLED 292×12 mm PIPES AT PRU 8-16" WITH PILGER MILLS FROM ESR INGOTS-BILLETS OF LOW-DUCTILITY "04Х14ТЗР1Ф-Ш"- AND "04Х14Т5Р2Ф-Ш"-GRADE STEELS WITH BORON CONTENT OF 1,3-3,5% FOR FABRICATION OF HEXAGONAL TURNKEY PIPE BILLETS SIZED TO 257+2,0/-3,0×6+2,0/-1,0×4300+80/-30 mm FOR STORAGE AT RACKS OF NUCLEAR POWER STATION USED FUEL COOLING POND AND ITS TRANSPORTATION | 2013 |
|
RU2550033C2 |
| METHOD OF PROCESS PIPES PRODUCTION OF SIZE 284×11 mm OUT OF SOLID BLANK INGOTS TO MANUFACTURE HEX BLANK PIPES WITH TURNKEY SIZE 252,6×5,0+1,5/-1,0×4300+80/-30 mm FOR TIGHT STORAGE AND TRANSPORTATION OF SPENT NUCLEAR FUEL | 2013 |
|
RU2547363C1 |
| MANUFACTURING METHOD OF HEXAGONAL PIPE SHELLS WITH FLAT-TO-FLAT DIMENSION OF 252,6±1,8×5+1,5/-1,0×4300+80/-30 mm FOR STORAGE AND TRANSPORTATION OF SPENT NUCLEAR FUEL | 2013 |
|
RU2545954C1 |
