SU529226A1 - The method of secondary treatment of boiling steel - Google Patents
The method of secondary treatment of boiling steelInfo
- Publication number
- SU529226A1 SU529226A1 SU2092392A SU2092392A SU529226A1 SU 529226 A1 SU529226 A1 SU 529226A1 SU 2092392 A SU2092392 A SU 2092392A SU 2092392 A SU2092392 A SU 2092392A SU 529226 A1 SU529226 A1 SU 529226A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- metal
- steel
- manganese
- boiling
- ladle
- Prior art date
Links
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Description
ного уровц и кипени , металла в изложнице в течевде 0,5-7 мин производитс доливка металла с одновременным вводом ферромарганца 6 количестве 0, кг/т гз расчета содержан в центральной области спитка О,25-О,45%. .;In order to boil the metal level and boil the metal in the mold in the course of 0.5-7 minutes, the metal is refilled with the simultaneous introduction of ferromanganese 6 in the amount of 0, kg / t gz of the calculation contained in the central area of the Spit O, 25-O, 45%. ;
Ниж}шй предел содеркани марганца, .вводимого в ковш (ОД%) определ етс тем, что; при меньших его содержани х происходит бурное кипение метаппй и образование голетшщ) схний пpeдeлJQ 2 feJLJQЩ Jaeлae x:.-лжм,-JIтo большее, содержание приводит к повышенноIrfy расходу ферромарганца и ухудшению структуры слитка уменьшени топштаг кип щей корочки..J5The lower limit of the content of manganese introduced into the ladle (OD%) is determined by the fact that; at lower levels, boiling metadata and formation of goletshchne preddelJQ 2 feJLJQQJaeaeae x: .- lzhm, -JIto more, the content leads to increased Irfy consumption of ferromanganese and deterioration of the structure of the ingot to reduce top crust boiling crust.
Вьщержка стали в изложнице 0, мин необходима дл затвердевани наружной ко рочки слитка Toniumiofi 2О-40 мм, обеспечивающей качественную поверхнос ъ проката;The steel grating in the mold 0, min is necessary for the hardening of the outer shank of the Toniumiofi 2 -40 mm ingot, which provides a high-quality rolled surface;
Предельные зтщчени времени выдержки 20 металла в изложнице дл прокитшни определ ютс - , следующим: 30 сек. - временем обр азовани : корочки кип щего слитка толщиной не менее 15 мм, предотвращающей вы- , ход сотовых пузырей при нагреве металла в 25The limiting time limits for the metal 20 in the mold for the sinter are determined by - as follows: 30 sec. - formation time: boiling ingot crusts with a thickness of at least 15 mm, which prevents extraction of cellular bubbles when the metal is heated in 25
нагревательных колодцах и при прокатке; 7 мин - верхний предел выдержки, ограниченный временем образовани на зеркале кристаллизующегос слитка сло затвердевшего шлака (коржа).;heating wells and during rolling; 7 min - upper limit of exposure, limited by the time of formation of a layer of solidified slag (cake) on a mirror of a crystallizing ingot;
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU2092392A SU529226A1 (en) | 1975-01-03 | 1975-01-03 | The method of secondary treatment of boiling steel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU2092392A SU529226A1 (en) | 1975-01-03 | 1975-01-03 | The method of secondary treatment of boiling steel |
Publications (1)
Publication Number | Publication Date |
---|---|
SU529226A1 true SU529226A1 (en) | 1976-09-25 |
Family
ID=20606149
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU2092392A SU529226A1 (en) | 1975-01-03 | 1975-01-03 | The method of secondary treatment of boiling steel |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU529226A1 (en) |
-
1975
- 1975-01-03 SU SU2092392A patent/SU529226A1/en active
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