FIELD: process engineering.
SUBSTANCE: invention relates to metallurgy. Ingots are cast by ESR process and turned to 490×100×1750±50 mm ingots-billets. The latter are heated to 1190-1200°C, pierced at helical rolling mills to sleeves and rolled at PRU 8-16'' with Pilger mills to hot rerolled pipes. Hot rerolled pipes are heat-treated, cut to equal-length sections and rolled at CRP 450 to commercial cold-rolled pipes.
EFFECT: higher mechanical properties and precision of pipe sizes.
2 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| MANUFACTURING METHOD OF SEAMLESS PIPES WITH DIMENSIONS OF 299×10-13 mm FOR STEAM BOILERS, STEAM LINES AND HEADERS OF PLANTS WITH HIGH AND SUPERCRITICAL STEAM PARAMETERS FROM INGOTS OF ELECTROSLAG REMELTING OF STEEL GRADE "10Х9МФБ-Ш" | 2013 |
|
RU2545963C2 |
| PRODUCTION OF 299×10-60 mm SEAMLESS HOT-ROLLED PIPES FOR STEAM BOILERS, STEAM PIPELINES AND MANIFOLDS OF PLANTS WITH HIGH AND SUPERHIGH STEAM PARAMETERS FROM ESR INGOTS OF "10Х9МФБ-Ш"-GRADE STEEL | 2012 |
|
RU2522513C1 |
| PRODUCTION OF 377×14-60 mm SEAMLESS HOT-ROLLED PIPES FOR STEAM BOILERS, STEAM PIPELINES AND MANIFOLDS OF PLANTS WITH HIGH AND SUPERHIGH STEAM PARAMETERS FROM ESR INGOTS OF "10Х9МФБ-Ш"-GRADE STEEL | 2012 |
|
RU2537682C2 |
| PRODUCTION OF 273×9-15 mm SEAMLESS HOT-ROLLED PIPES FOR STEAM BOILERS, STEAM PIPELINES AND MANIFOLDS OF PLANTS WITH HIGH AND SUPERHIGH STEAM PARAMETERS OF "10Х9МФБ-Ш"-GRADE STEEL | 2012 |
|
RU2530099C2 |
| PRODUCTION OF 273×9-60 mm SEAMLESS HOT-ROLLED PIPES FOR STEAM BOILERS, STEAM PIPELINES AND MANIFOLDS OF PLANTS WITH HIGH AND SUPERHIGH STEAM PARAMETERS FROM ESR INGOTS OF "10Х9МФБ-Ш"-GRADE STEEL | 2013 |
|
RU2537413C2 |
| PRODUCTION OF 325×13-15 mm SEAMLESS HOT-ROLLED PIPES FOR STEAM BOILERS, STEAM PIPELINES AND MANIFOLDS OF PLANTS WITH HIGH AND SUPERHIGH STEAM PARAMETERS OF "10Х9МФБ-Ш"-GRADE STEEL | 2012 |
|
RU2523376C1 |
| PRODUCTION OF 299×10-60 mm SEAMLESS HOT-ROLLED PIPES FOR STEAM BOILERS, STEAM PIPELINES AND MANIFOLDS OF PLANTS WITH HIGH AND SUPERHIGH STEAM PARAMETERS OF "10Х9МФБ-Ш"-GRADE STEEL | 2012 |
|
RU2522512C1 |
| PRODUCTION OF 377×14-19 mm SEAMLESS HOT-ROLLED PIPES FOR STEAM BOILERS, STEAM PIPELINES AND MANIFOLDS OF PLANTS WITH HIGH AND SUPERHIGH STEAM PARAMETERS FROM ESR INGOTS OF "10Х9МФБ-Ш"-GRADE STEEL | 2013 |
|
RU2545924C2 |
| PRODUCTION OF 219×8-50 mm SEAMLESS HOT-ROLLED PIPES FOR STEAM BOILERS, STEAM PIPELINES AND MANIFOLDS OF PLANTS WITH HIGH AND SUPERHIGH STEAM PARAMETERS FROM ESR INGOTS OF "10Х9МФБ-Ш"-GRADE STEEL | 2013 |
|
RU2533069C2 |
| METHOD FOR PRODUCTION OF WELDLESS DRAWN PIPES WITH SIZE OF 299×10-13 mm FOR STEAM BOILERS, PIPELINES AND HEADERS OF PLANTS WITH HIGH AND SUPERCRITICAL PARAMETERS OF STEAM FROM STEEL OF GRADE OF "10Х9МФБ-Ш" | 2013 |
|
RU2547360C2 |
