CS201457B1 - Alloy for steel alloying with vanadium - Google Patents
Alloy for steel alloying with vanadium Download PDFInfo
- Publication number
- CS201457B1 CS201457B1 CS132079A CS132079A CS201457B1 CS 201457 B1 CS201457 B1 CS 201457B1 CS 132079 A CS132079 A CS 132079A CS 132079 A CS132079 A CS 132079A CS 201457 B1 CS201457 B1 CS 201457B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- vanadium
- alloy
- steel
- alloying
- silicon
- Prior art date
Links
- 229910052720 vanadium Inorganic materials 0.000 title claims description 20
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 title claims description 20
- 229910000831 Steel Inorganic materials 0.000 title description 15
- 239000010959 steel Substances 0.000 title description 15
- 229910045601 alloy Inorganic materials 0.000 title description 12
- 239000000956 alloy Substances 0.000 title description 12
- 238000005275 alloying Methods 0.000 title description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 239000010703 silicon Substances 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 229910000628 Ferrovanadium Inorganic materials 0.000 description 4
- PNXOJQQRXBVKEX-UHFFFAOYSA-N iron vanadium Chemical class [V].[Fe] PNXOJQQRXBVKEX-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Description
Vynález se týká slitiny pro legování oceli vanadem.The present invention relates to an alloy for alloying steel with vanadium.
Běžně se pro legování oceli používá ferovanad o chemickém složení 75 až 80 % vanadu a zbytek tvoří železo. Ferovanad je velmi tvrdý, pevný a do oceláren přichází v poměrně velkých kusech. Tento ferovanad lze upravovat na potřebnou kusovost drcením jen velmi obtížně. V ocelárnách se provádí drcení většinou ručně — rozbíjením jednotlivých kusů kladivem. Je to velmi pracné a hrozí zde nebezpečí úrazu odštipujícími se kusy. Pro legování oceli vanadem pomocí automatických dávkovačů, např. při vákuování oceli, je nutné používat legující a desoxidační slitiny s velmi přísně regulovanou kusovostí. Drcení se provádí pak na drtičkách. Strojní drcení ferovanadu je však velmi obtížné, poruchovost drtičů je značná.Conventionally, ferovanadium having a chemical composition of 75 to 80% vanadium is used for alloying steel, the remainder being iron. Ferovanad is very hard, strong and comes to the steelworks in relatively large pieces. This ferrovanadium is difficult to adjust to the required lumpiness by crushing. In steel mills, crushing is usually done by hand - breaking individual pieces with a hammer. It is very laborious and there is a risk of injury from chipping pieces. For alloying steel with vanadium by means of automatic dispensers, for example in steel vacuuming, it is necessary to use alloying and deoxidizing alloys with very strictly controlled lumpiness. The crushing is then carried out on crushers. However, mechanical crushing of ferrovanadium is very difficult, the failure rate of crushers is considerable.
Uvedené nedostatky odstraňuje slitina pro legování ocele vanadem, na bázi vanadu, podle vynálezu, jehož podstata spočívá v tom, že slitina obsahuje 60 až 85 % vanadu, 5 až 20 % křemíku, 5 až 20 % hliníku a zbytek tvoří železo v hmotnostních procentech.The above-mentioned disadvantages are overcome by the vanadium-based vanadium alloying steel alloy according to the invention, characterized in that the alloy comprises 60 to 85% vanadium, 5 to 20% silicon, 5 to 20% aluminum and the remainder being iron in weight percent.
Vynález umožňuje snížení pracnosti a snížení nákladů při úpravě ferovanadu na kusovost požadovanou pro legování oceli, popřípadě dalších slitin. Slitina podle vynálezu se vyznačuje dobrou drtitelností a výhodnými technologickými vlastnostmi. Při výrobě slitiny se dosahuje vyššího výtěžku vanadu, než při výrobě klasického ferovanadu; vyšší je i využití vanadu při legování oceli.The invention makes it possible to reduce labor and costs in converting ferrovanadium to the lump size required for alloying steel or other alloys. The alloy according to the invention is characterized by good crushability and advantageous technological properties. The production of the alloy achieves a higher yield of vanadium than the production of conventional ferrovanadium; the use of vanadium in steel alloying is also higher.
Uvedenou vanadovou slitinu SiAlV podle vynálezu lze bez problémů drtit a upravovat na žádanou kusovost. Legování slitinou o optimální kusovostí umožňuje rychlou asimilací vanadu v oceli. Přítomnost vyššího obsahu křemíku a hliníku snižuje teplotu tání a tím se dále zrychluje proces rozpouštění vanadu v oceli; křemík a hliník jako'prvky s vysokou afinitou ke kyslíku chrání vanad během rozpouštění v oceli před oxidací vzdušným kyslíkem. Optimální kusovost, nižší teplota tání, přítomnost prvků s vysokou afinitou ke kyslíku snižujú částečně ztráty drahého vanadu při legování. Při výrobě slitiny SiAlV vyšší obsah hliníku a křemíku v hotové slitině podmiňuje vyšší výtěžnost o 1 až 3 % vanadu ze surovin. Pro legování oceli o složení v hmotnostních procentech 0,8 % uhlíku, 0,5 % manganu, 0,95 % křemíku a 0,2 % vanadu bylo použito přísady slitiny podle vynálezu obsahující 80 % vanadu, 6 % křemíku, 10 % hliníku a zbytek železo. Využití vanadu se v oceli zvýšilo o 10 %.Said vanadium SiAlV alloy according to the invention can be easily crushed and processed to the desired lumpiness. Alloy alloying with optimum lumpness enables rapid assimilation of vanadium in steel. The presence of a higher silicon and aluminum content lowers the melting point and thereby further accelerates the process of dissolving vanadium in steel; silicon and aluminum as high oxygen affinity elements protect vanadium from oxidation by air oxygen during dissolution in steel. Optimum lumpiness, lower melting point, presence of elements with high affinity for oxygen reduce partly the losses of expensive vanadium during alloying. In the production of SiAlV, the higher aluminum and silicon content of the finished alloy is conditional on a higher yield of 1 to 3% vanadium from the raw materials. For alloying steels with a weight composition of 0.8% carbon, 0.5% manganese, 0.95% silicon and 0.2% vanadium, alloy additives of the invention containing 80% vanadium, 6% silicon, 10% aluminum and the rest iron. Vanadium utilization in steel increased by 10%.
Použití slitiny SiAlV je možné ve všech ocelárnách jako náhrada za běžný ferovanad pro legování oceli.The use of SiAlV alloy is possible in all steel mills as a substitute for conventional ferrovanad for steel alloying.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS132079A CS201457B1 (en) | 1979-02-27 | 1979-02-27 | Alloy for steel alloying with vanadium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS132079A CS201457B1 (en) | 1979-02-27 | 1979-02-27 | Alloy for steel alloying with vanadium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS201457B1 true CS201457B1 (en) | 1980-11-28 |
Family
ID=5347280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS132079A CS201457B1 (en) | 1979-02-27 | 1979-02-27 | Alloy for steel alloying with vanadium |
Country Status (1)
| Country | Link |
|---|---|
| CS (1) | CS201457B1 (en) |
-
1979
- 1979-02-27 CS CS132079A patent/CS201457B1/en unknown
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