SE429560B - PROCEDURE TO MANUFACTURE STEEL PLATE BY COLD COOLING AND HEAT TREATMENT - Google Patents

PROCEDURE TO MANUFACTURE STEEL PLATE BY COLD COOLING AND HEAT TREATMENT

Info

Publication number
SE429560B
SE429560B SE8000602A SE8000602A SE429560B SE 429560 B SE429560 B SE 429560B SE 8000602 A SE8000602 A SE 8000602A SE 8000602 A SE8000602 A SE 8000602A SE 429560 B SE429560 B SE 429560B
Authority
SE
Sweden
Prior art keywords
temperature
cold rolling
heating
final
final annealing
Prior art date
Application number
SE8000602A
Other languages
Swedish (sv)
Other versions
SE8000602L (en
Inventor
P Funke
W Heye
M E-N A Metwally
Original Assignee
Wef Wiss Entwickl Fert Tech
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wef Wiss Entwickl Fert Tech filed Critical Wef Wiss Entwickl Fert Tech
Publication of SE8000602L publication Critical patent/SE8000602L/en
Publication of SE429560B publication Critical patent/SE429560B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
    • C21D8/1272—Final recrystallisation annealing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
    • C21D8/1233—Cold rolling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Electromagnetism (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Metal Rolling (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Heat Treatment Of Steel (AREA)

Description

80006 02-6 som ïigger meïlan 1300 och 150006 och därefter hålls vid denna temperatur under flera timmar. 80006 02-6 which is between 1300 and 150006 and thereafter kept at this temperature for several hours.

Lämpïígen ínnehålïer utgângsmateriaïet a1uminíum, företrädesvis 1 en halt upp tiïï 3 %.Suitably the starting material contains aluminum, preferably 1 and a content of up to 3%.

Såsom utgângsmateríaï kan i princip en pïåt med vaïfri textur användas.As a starting material, a plate with a free texture can in principle be used.

Plåten kan innehåïïa icke-metaïïiska ämnen i mängder om upp tí11 0,15 % och upp ti11 4 % av ytterligare metaïïer av sådan typ, som vid kise1p1åt används såsom legeringsbeståndsdeïar. 8000602-6 Exempel I En sekundärt kristolliserad 0,25 mm tjock stålplfit med gjut- textur med följande sammansättning: 0,017 X C, 2,87 X Si, 0,08 Z Mn, 0,012 X P, 0,009 1 S, 0,00l6 % N, 0,005 X Al, 0,01 X Ti, 0,068 X 0. kallvalsades med en reduceringsgrad av 60 % till en tjocklek om 0,1 mm, varefter den i ett saltbad bringades till en temperatur om 900° C, och den hölls vid denna temperatur under en timme och tre minuter, varefter den vürmdes till 13500 C med en temperaturstegring om 1000 C per timme och hölls vid denna temperatur i en timme.The sheet may contain non-metallic substances in amounts up to 0.15% and up to 4% of additional metals of the type used in silicon sheet as alloying constituents. Example I A secondary crystallized 0.25 mm thick steel plate with casting texture having the following composition: 0.017 XC, 2.87 X Si, 0.08 Z Mn, 0.012 XP, 0.009 1 S, 0.00l6% N, 0.005 X Al, 0.01 X Ti, 0.068 X 0. Cold rolled with a degree of reduction of 60% to a thickness of 0.1 mm, after which it was brought in a salt bath to a temperature of 900 ° C, and it was kept at this temperature. for one hour and three minutes, after which it was heated to 13500 ° C with a temperature rise of 1000 ° C per hour and kept at this temperature for one hour.

Exempel II Ett kallvalsat, 0,50 m tjockt band med följande sammansättning: 0,01 % C, 3,33 % Si, 0,12 % Mn, 0,011 % P, 0,006 2 S, 0,0026 % N, 0,89 % A1, 0,01 X Ti, 0,02 % V, 0,021 % 0 gavs en tjocklek om 30 pm genom kallvalsning med 60 %, följande primär- rekristallisation i saltbad vid 8000 C under 90 sekunder, upprepad kall- valsning med 60 X, följande primärrekristallisation i saltbad vid 800° C under 30 sekunders tid och ytterligare kallvalsning med 60 2. Denna folie bringades därefter till tertiörrekristallisation under kort tid i vakuum vid en temperatur om 9000 C för instöl1ning.av gjutlüget, varefter den långsamt vörmdes till 13500 C med en temperaturstegring om 1000 C per timme och hölls vid denna temperatur under 30 minuter. __ Hmmm-n... .- -.-«:-\f-.V-fieuwusfilnwuwiifl-wewflfiflf H ' ~ -ffivf- . 1:3!! _ V, 1756031 i uuAuïv .fn v. ser, ..-\l'$5f*".~ "f'.'-q'°-1' = ef, ;av.sfæwpgu¶gg-ggvr---4.faßf -I<-._.-,æ,-.*,\-_-,,,,__,,..,,.. nqvw, v, ,,,_.,,. ,__- .Example II A cold rolled, 0.50 m thick strip having the following composition: 0.01% C, 3.33% Si, 0.12% Mn, 0.011% P, 0.006 2 S, 0.0026% N, 0.89 % A1, 0.01 X Ti, 0.02% V, 0.021% 0 was given a thickness of 30 μm by cold rolling with 60%, the following primary recrystallization in a salt bath at 8000 C for 90 seconds, repeated cold rolling with 60 X , the following primary recrystallization in a salt bath at 800 ° C for 30 seconds and further cold rolling with 60 2. This foil was then brought to tertiary recrystallization for a short time in vacuo at a temperature of 9000 C for setting the casting hood, after which it was slowly heated to 13500 C with a temperature rise of 1000 C per hour and kept at this temperature for 30 minutes. __ Hmmm-n .... .- -.- «: - \ f-.V- fi euwus fi lnwuwii fl- wew flfifl f H '~ -f fi vf-. 1: 3 !! _ V, 1756031 i uuAuïv .fn v. Ser, ..- \ l '$ 5f * ". ~" F' .'- q '° -1' = ef,; av.sfæwpgu¶gg-ggvr --- 4.faßf -I <-._.-, æ, -. *, \ -_- ,,,, __ ,, .. ,, .. nqvw, v, ,,, _. ,,. , __-.

Claims (5)

80006 02-6 P a t e n t k r a v80006 02-6 P a t e n t k r a v 1. l. Förfarande för att genom kallvalsning framställa stålplåt resp. -folie med en tjocklek om högst 0,2 mm och med 2,5-4 % Si, högst 0,02 % C och med gjut-textur, och genom en på kallvalsningen följande uppvärmning för att åstadkomma primärkristallisationen samt en följande slutglödgning för att åstadkomma en tertiärrekristallisation, varvid kallvalsningen sker med 40 till 85 % tjockleksreduktion, och varvid temperaturen på den nämnda uppvärmningen ligger mellan 700 och 90000, k ä n n e t e c k n a t av att temperaturen vid slutglödgningen ligger vid mellan l300 och 150006.1. l. Method for producing steel sheet resp. foil with a thickness of not more than 0.2 mm and with 2.5-4% Si, not more than 0.02% C and with casting texture, and by a heating following the cold rolling to achieve the primary crystallization and a subsequent final annealing to achieve a tertiary recrystallization, the cold rolling taking place with a 40 to 85% thickness reduction, and the temperature of the said heating being between 700 and 90,000, characterized in that the temperature at the final annealing is between 1300 and 15,0006. 2. Förfarande enligt patentkravet l, k ä n n e t e c k n a t av att förfaringssteget med uppvärmningen och kallvalsningen upprepas en eller flera gånger.2. A method according to claim 1, characterized in that the process step of heating and cold rolling is repeated one or more times. 3. Förfarande enligt patentkravet l eller 2, k ä n n e t e c k'n a t av att slutglödgningen äger rum i vakuum, och att plåten under loppet av flera timmar därvid successivt bringas till sluttemperaturen och i anslut- ning därtill hålls vid denna temperatur i minst en halv timme.3. A method according to claim 1 or 2, characterized in that the final annealing takes place in vacuum, and that the plate is successively brought to the final temperature in the course of several hours and subsequently kept at this temperature for at least one half an hour. 4. Förvarande enligt patentkravet 3, k ä n n e t e c k n a t av att plåten vid slutglödgningen först uppvärms till omkring 900°C och därefter värms ytterligare till en temperatur om mellan l300°C och l500°C med en hastighet på temperaturhöjningen om l00°C per timme, och av att den hålls vid denna sluttemperatur under en halv till flera timmar.Storage according to claim 3, characterized in that the plate is first heated to about 900 ° C during the final annealing and then further heated to a temperature of between 1300 ° C and 1500 ° C at a rate of temperature increase of 100 ° C per hour, and by keeping it at this final temperature for half to several hours. 5. Användning av förfarandet enligt något av patentkraven l-4 vid stål, som innehåller en tillsats om 3 % Al. garn.. r' 1 f. _~ 80006021-6 S a m m a n d r a g Ett förfarande för framställning av en stålplåt eller en stålfolie med gjut-textur och med 0,2 mm tjocklek och innehållande mellan 2,5 och 4 % Si och högst 0,02 % C. kallvalsningen följande uppvärmning till en temperatur om mellan 700 Förfarandet innebär en kallvclsning, en på och 9000 C till åstadkommande av en primörkrístallisatíon och därefter en slutglödgning vid en temperatur om mellan l300 och 15000 C till åstad- kommande av en tertiürrekristallisation. Förfaringsstegen med kallvals- ning och uppvärmning kan upprepas en eller flera gånger. Efter uppvärm- ningen till 700 - 9000 C höjs temperaturen successivt med en hastighet om l00° C per timme till sluttemperaturen om 1300 - 15000 C, och plåten hålls vid denna temperatur under en tid om mellan en halv time och Flera timmar. Utgångsmaterialet kan innehålla upp till 3 X Al. i Mumma. w: .du .av ~ 1u«;w_.f.-.» www. -n-p-ynfimovs-w-xm-aq-:wnz- m» fw»- - - w- P00 uuAuTY 1%* *ß ^ 'Wf-afi. "L fw f"'- r 'w wav px" .vfsr-Nwggw -mvgrwsn-m w-x-:f-wfl- - -z - ur.Use of the process according to any one of claims 1 to 4 in steel, which contains an additive of 3% Al. A process for producing a steel sheet or steel foil with a casting texture and having a thickness of 0,2 mm and containing between 2,5 and 4% Si and not more than 0, 02% C. the cold rolling following heating to a temperature of between 700 The process involves a cold rolling, one at and 9000 C to give a primary crystallization and then a final annealing at a temperature of between 300 and 15000 C to give a tertiary recrystallization. The cold rolling and heating steps can be repeated one or more times. After heating to 700 - 9000 C, the temperature is gradually raised at a rate of 100 ° C per hour to the final temperature of 1300 - 15000 C, and the plate is kept at this temperature for a period of between half an hour and several hours. The starting material may contain up to 3 X Al. and Mumma. w: .du .av ~ 1u «; w_.f.-.» www. -n-p-yn fi movs-w-xm-aq-: wnz- m »fw» - - - w- P00 uuAuTY 1% * * ß ^ 'Wf-a fi. "L fw f" '- r' w wav px ".vfsr-Nwggw -mvgrwsn-m w-x-: f-w fl- - -z - ur.
SE8000602A 1979-01-29 1980-01-25 PROCEDURE TO MANUFACTURE STEEL PLATE BY COLD COOLING AND HEAT TREATMENT SE429560B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792903226 DE2903226C2 (en) 1979-01-29 1979-01-29 Method for producing a steel sheet with a Goss texture

Publications (2)

Publication Number Publication Date
SE8000602L SE8000602L (en) 1980-07-30
SE429560B true SE429560B (en) 1983-09-12

Family

ID=6061580

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8000602A SE429560B (en) 1979-01-29 1980-01-25 PROCEDURE TO MANUFACTURE STEEL PLATE BY COLD COOLING AND HEAT TREATMENT

Country Status (7)

Country Link
JP (1) JPS55131128A (en)
AT (1) AT376457B (en)
BE (1) BE881369A (en)
DE (1) DE2903226C2 (en)
GB (1) GB2046785A (en)
NL (1) NL8000343A (en)
SE (1) SE429560B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5920745B2 (en) * 1980-08-27 1984-05-15 川崎製鉄株式会社 Unidirectional silicon steel plate with extremely low iron loss and its manufacturing method
JPS58100627A (en) * 1981-12-11 1983-06-15 Nippon Steel Corp Manufacture of directional electrical sheet
JPH0686628B2 (en) * 1987-01-12 1994-11-02 バブコツク日立株式会社 Manufacturing method of low-loss directional silicon steel ultra-thin ribbon
JPH0686629B2 (en) * 1987-10-23 1994-11-02 バブコツク日立株式会社 Method and apparatus for manufacturing ultra-thin ribbon of low-loss directional silicon steel
JP2599867B2 (en) * 1991-08-20 1997-04-16 川崎製鉄株式会社 Method for manufacturing low iron loss grain-oriented silicon steel sheet

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5014530A (en) * 1973-06-13 1975-02-15
JPS5644135B2 (en) * 1974-02-28 1981-10-17
JPS5178733A (en) * 1974-12-28 1976-07-08 Kawasaki Steel Co Takaijisokumitsudoo jusuruichihokoseidenjikohanno seizohoho
JPS5277817A (en) * 1975-12-24 1977-06-30 Kawasaki Steel Co Production of mono anisotropic magnetic steel sheets
JPS5371617A (en) * 1976-12-08 1978-06-26 Kawasaki Steel Co Method of making unidirectional silicon steel sheet having high magnetc flux

Also Published As

Publication number Publication date
SE8000602L (en) 1980-07-30
ATA43780A (en) 1984-04-15
GB2046785A (en) 1980-11-19
BE881369A (en) 1980-05-16
AT376457B (en) 1984-11-26
JPS55131128A (en) 1980-10-11
NL8000343A (en) 1980-07-31
DE2903226A1 (en) 1980-07-31
DE2903226C2 (en) 1981-10-01

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