DE19701443A1 - Cold rolled steel sheet or strip with good formability used for car parts production - Google Patents

Cold rolled steel sheet or strip with good formability used for car parts production

Info

Publication number
DE19701443A1
DE19701443A1 DE1997101443 DE19701443A DE19701443A1 DE 19701443 A1 DE19701443 A1 DE 19701443A1 DE 1997101443 DE1997101443 DE 1997101443 DE 19701443 A DE19701443 A DE 19701443A DE 19701443 A1 DE19701443 A1 DE 19701443A1
Authority
DE
Germany
Prior art keywords
strip
sheet
steel
cold rolled
max
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
DE1997101443
Other languages
German (de)
Inventor
Ilse Dipl Ing Dr Heckelmann
Manfred Dipl Ing Menne
Rolf Dipl Ing Bode
Ulrich Dipl Ing Heidtmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thyssen Stahl AG
Original Assignee
Thyssen Stahl AG
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 Thyssen Stahl AG filed Critical Thyssen Stahl AG
Priority to DE1997101443 priority Critical patent/DE19701443A1/en
Publication of DE19701443A1 publication Critical patent/DE19701443A1/en
Ceased legal-status Critical Current

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
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • 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
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
    • B21B2001/383—Cladded or coated products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
    • B21B3/02—Rolling special iron alloys, e.g. stainless steel
    • 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
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0236—Cold rolling
    • 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
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0278—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)

Abstract

A sheet or strip, with good formability (especially for deformation by mainly stretching with a strain hardening exponent 'n' > 0.19) and high strength (especially a yield point Rp0.2 of greater than 200 N/mm<2> and an elongation at fracture A80 of \- 36%), consists of a steel of composition (by wt.) 0.03-0.06% C, 0.20-0.50% Mn, \} 0.05% Si, 0.015-0.06% P, \} 0.015% S, 0.020-0.060% Al, 0.001-0.005% N, 0.0010-0.0050% B (with a B:N ratio of greater than 0.8), optionally up to 0.15% total of one or more of Cu, V, Cr and Ni, balance Fe and impurities. Also claimed is a sheet or strip production process in which an ingot-cast or continuously cast slab of steel having the above composition is hot rolled with a start temperature above 1100 deg C and a finish temperature above the Ar3 temperature, coiled at 450-760 deg C, cold rolled with 50-80% reduction, recrystallisation annealed and optionally skin pass rolled with 0.3-3% reduction.

Description

Die Erfindung betrifft ein Blech oder Band mit guter Umformbarkeit, insbesondere für Verformungen mit überwiegendem Streckziehanteil mit einem Verfestigungsexponenten n < 0,19, mit hoher Festigkeit, insbesondere einer Streckgrenze Rp0,2 < 200 N/mm2 und hoher Bruchdehnung A80 ≧ 36%.The invention relates to a sheet or strip with good formability, in particular for deformations with a predominant stretch-drawing component with a strengthening exponent n <0.19, with high strength, in particular a yield strength R p0.2 <200 N / mm 2 and high elongation at break A 80 ≧ 36 %.

Die Erfindung ist gekennzeichnet durch einen Stahl folgender Zusammensetzung (in Masse-%):The invention is characterized by a steel of the following composition (in% by mass):

0,03 bis 0,06% C
0,20 bis 0,50% Mn
max. 0,05% Si
0,015 bis 0,06% P
max. 0,015% S
0,020 bis 0,060% Al
0,001 bis 0,005% N
0,0010 bis 0,0050% B mit B : N < 0,80.03 to 0.06% C
0.20 to 0.50% Mn
Max. 0.05% Si
0.015 to 0.06% P
Max. 0.015% S
0.020 to 0.060% Al
0.001 to 0.005% N
0.0010 to 0.0050% B with B: N <0.8

Rest Eisen und unvermeidbare Verunreinigungen.Balance iron and unavoidable impurities.

Zusätzlich kann der Stahl Kupfer, Vanadium, Chrom, Nickel einzeln oder zu mehreren in einer Gesamtmenge bis 0,15% enthalten. Das Verhältnis Bor : Stickstoff ist bevorzugt größer als 1. Der bevorzugte Phosphorgehalt ist 0,020 bis 0,060%.In addition, the steel can be copper, vanadium, chrome, nickel individually or in groups of up to 0.15% contain. The boron: nitrogen ratio is preferred greater than 1. The preferred phosphorus content is 0.020 to 0.060%.

Bevorzugt ist der Stickstoffgehalt kleiner als 0,003% und der Borgehalt liegt im Bereich von 0,003 bis 0,005%. The nitrogen content is preferably less than 0.003% and the boron content is in the range of 0.003 to 0.005%.  

Die Erfindung umfaßt ferner ein Verfahren zur Herstellung von Blech oder Band. Danach wird eine kokillen- oder stranggegossene Bramme aus Stahl folgender Zusammensetzung (in Masse-%):The invention also includes a method of manufacture of sheet metal or tape. After that, a mold or Continuously cast steel slab following Composition (in% by mass):

0,03 bis 0,06% C
0,20 bis 0,50% Mn
max. 0,05% Si
0,015 bis 0,06% P
max. 0,015% S
0,020 bis 0,060% Al
0,001 bis 0,005% N
0,0010 bis 0,0050% B mit B : N < 0,80.03 to 0.06% C
0.20 to 0.50% Mn
Max. 0.05% Si
0.015 to 0.06% P
Max. 0.015% S
0.020 to 0.060% Al
0.001 to 0.005% N
0.0010 to 0.0050% B with B: N <0.8

Rest Eisen und unvermeidbare Verunreinigungen mit einer Anfangstemperatur über 1100°C und mit einer Endwalztemperatur oberhalb von Ar3 warmgewalzt, worauf das Warmband bei einer Temperatur im Bereich von 450 bis 760°C gehaspelt wird und mit einem Verformungsgrad von 50 bis 80% kaltgewalzt wird, worauf das Kaltband rekristallisierend geglüht und ggf. mit einem Dressiergrad von 0,3 bis 3% nachgewalzt wird.Remainder iron and unavoidable impurities with an initial temperature above 1100 ° C and a final rolling temperature above Ar 3 , whereupon the hot strip is coiled at a temperature in the range from 450 to 760 ° C and cold rolled with a degree of deformation of 50 to 80%, whereupon the cold rolled strip is annealed to recrystallize and, if necessary, re-rolled with a skin pass of 0.3 to 3%.

Das kaltgewalzte Band kann oberflächenbeschichtet werden, z. B. feuerverzinkt oder elektrolytisch verzinkt werden.The cold rolled strip can be surface coated e.g. B. hot-dip galvanized or electrolytically galvanized.

Die Erfindung umfaßt ferner die Verwendung eines Blechs oder Bandes aus einem Stahl der Zusammensetzung nach einem der Ansprüche 1 bis 5 für Gegenstände, wie Automobil-Karosserieteile, die mit einem hohen Streckziehanteil gut kaltumformbar sind und dazu einen Verfestigungsexponenten n < 0,19, eine Streckgrenze Rp0,2 < 200 N/mm2 und ein Bruchdehnung A80 ≧ 36% besitzen müssen. The invention further encompasses the use of a sheet or strip of steel of the composition according to one of Claims 1 to 5 for articles, such as automobile body parts, which are readily cold-formable with a high proportion of stretch-drawing and, for this purpose, a strengthening exponent n <0.19, a yield point R p0.2 <200 N / mm 2 and an elongation at break A 80 ≧ 36%.

Bevorzugt wird die Verwendung eines kaltgewalzten Blechs oder Bandes aus einem Stahl der Zusammensetzung nach einem der Ansprüche 1 bis 5 und verarbeitet nach dem Verfahren gemäß einem der Ansprüche 6 bis 8 für kaltumgeformte Bauteile, wie Automobil-Karosserieteile.The use of a cold-rolled sheet is preferred or steel band according to the composition one of claims 1 to 5 and processed according to Method according to one of claims 6 to 8 for cold-formed components, such as automobile body parts.

Claims (10)

1. Blech oder Band mit guter Umformbarkeit, insbesondere für Verformungen mit überwiegendem Streckziehanteil mit einem Verfestigungsexponenten n < 0,19, mit hoher Festigkeit, insbesondere einer Streckgrenze Rp0,2 < 200 N/mm2 und hoher Bruchdehnung A80 ≧ 36%, gekennzeichnet durch einen Stahl folgender Zusammensetzung (in Masse-%):
0,03 bis 0,06% C
0,20 bis 0,50% Mn
max. 0,05% Si
0,015 bis 0,06% P
max. 0,015% S
0,020 bis 0,060% Al
0,001 bis 0,005% N
0,0010 bis 0,0050% B mit B : N < 0,8
Rest Eisen und unvermeidbare Verunreinigungen.1. sheet metal or strip with good formability, in particular for deformations with a predominant stretch-drawing component with a hardening exponent n <0.19, with high strength, in particular a yield strength R p0.2 <200 N / mm 2 and high elongation at break A 80 ≧ 36%, characterized by a steel of the following composition (in mass%):
0.03 to 0.06% C
0.20 to 0.50% Mn
Max. 0.05% Si
0.015 to 0.06% P
Max. 0.015% S
0.020 to 0.060% Al
0.001 to 0.005% N
0.0010 to 0.0050% B with B: N <0.8
Balance iron and unavoidable impurities. 2. Blech oder Band nach Anspruch 1, dadurch gekennzeichnet, daß der Stahl zusätzlich Kupfer, Vanadium, Chrom, Nickel einzeln oder zu mehreren in einer Gesamtmenge bis 0,15% enthält.2. sheet or strip according to claim 1, characterized in that the Steel additionally copper, vanadium, chrome, nickel individually or contains several in a total amount of up to 0.15%. 3. Blech oder Band nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Verhältnis B : N < 1 ist.3. sheet or strip according to claim 1 or 2, characterized in that the Ratio B: N <1. 4. Blech oder Band nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß sein Phosphorgehalt 0,020 bis 0,060% beträgt. 4. sheet or strip according to one of claims 1 to 3, characterized in that be Phosphorus content is 0.020 to 0.060%.   5. Blech oder Band nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Stickstoffgehalt kleiner ist als 0,003% und der Borgehalt im Bereich von 0,0030 bis 0,0050% liegt.5. sheet or strip according to one of claims 1 to 4, characterized in that the Nitrogen content is less than 0.003% and the Boron content is in the range of 0.0030 to 0.0050%. 6. Verfahren zur Herstellung von Blech oder Band, dadurch gekennzeichnet, daß eine kokillen- oder stranggegossene Bramme aus Stahl folgender Zusammensetzung (in Masse-%):
0,03 bis 0,06% C
0,20 bis 0,50% Mn
max. 0,05% Si
0,015 bis 0,06% P
max. 0,015% S
0,020 bis 0,060% Al
0,001 bis 0,005% N
0,0010 bis 0,0050% B mit B : N < 0,8
Rest Eisen und unvermeidbare Verunreinigungen mit einer Anfangstemperatur über 1100°C und mit einer Endwalztemperatur oberhalb von Ar3 warmgewalzt wird, worauf das Warmband bei einer Temperatur im Bereich von 450 bis 760°C gehaspelt wird und mit einem Verformungsgrad von 50 bis 80% kaltgewalzt wird, worauf das Kaltband rekristallisierend geglüht und ggf. mit einem Dressiergrad von 0,3 bis 3% nachgewalzt wird.6. Process for the production of sheet metal or strip, characterized in that a mold-cast or continuously cast steel slab having the following composition (in% by mass):
0.03 to 0.06% C
0.20 to 0.50% Mn
Max. 0.05% Si
0.015 to 0.06% P
Max. 0.015% S
0.020 to 0.060% Al
0.001 to 0.005% N
0.0010 to 0.0050% B with B: N <0.8
Remainder iron and unavoidable impurities with an initial temperature above 1100 ° C and a final rolling temperature above Ar 3 is hot rolled, whereupon the hot strip is coiled at a temperature in the range of 450 to 760 ° C and cold rolled with a degree of deformation of 50 to 80% , whereupon the cold rolled strip is annealed to recrystallize and, if necessary, re-rolled with a degree of skin pass of 0.3 to 3%. 7. Verfahren nach Anspruch 6, dadurch gekennzeichnet, daß der Stahl zusätzlich mit Kupfer, Vanadium, Chrom, Nickel einzeln oder zu mehreren in einer Gesamtmenge bis 0,15% legiert wird. 7. The method according to claim 6, characterized in that the Steel additionally with copper, vanadium, chrome, nickel individually or in groups of up to 0.15% is alloyed.   8. Verfahren nach Anspruch 6, dadurch gekennzeichnet, daß das kaltgewalzte Band oberflächenbeschichtet, insbesondere verzinkt wird.8. The method according to claim 6, characterized in that the cold rolled strip surface coated, especially is galvanized. 9. Verwendung eines Blechs oder Bandes aus einem Stahl der Zusammensetzung nach einem der Ansprüche 1 bis 5 für Gegenstände, wie Automobil-Karosserieteile, die mit einem hohen Streckziehanteil gut kaltumformbar sind und dazu einen Verfestigungsexponenten n < 0,19, eine Streckgrenze Rp0,2 < 200 N/mm2 und ein Bruchdehnung A80 ≧ 36% besitzen müssen.9. Use of a sheet or strip made of a steel of the composition according to one of claims 1 to 5 for objects, such as automobile body parts, which are easy to cold-form with a high stretch-drawing ratio and, for this purpose, a strengthening exponent n <0.19, a yield strength R p0, 2 <200 N / mm 2 and an elongation at break A 80 ≧ 36%. 10. Verwendung eines kaltgewalzten Blechs oder Bandes aus einem Stahl der Zusammensetzung nach einem der Ansprüche 1 bis 5 und verarbeitet nach dem Verfahren gemäß einem der Ansprüche 6 bis 8 für kaltumgeformte Bauteile, wie Automobil-Karosserieteile.10. Use a cold rolled sheet or strip from a steel of the composition according to one of the Claims 1 to 5 and processed by the method according to one of claims 6 to 8 for cold formed Components such as automobile body parts.
DE1997101443 1997-01-17 1997-01-17 Cold rolled steel sheet or strip with good formability used for car parts production Ceased DE19701443A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE1997101443 DE19701443A1 (en) 1997-01-17 1997-01-17 Cold rolled steel sheet or strip with good formability used for car parts production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1997101443 DE19701443A1 (en) 1997-01-17 1997-01-17 Cold rolled steel sheet or strip with good formability used for car parts production

Publications (1)

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DE19701443A1 true DE19701443A1 (en) 1998-07-23

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002059384A2 (en) * 2001-01-26 2002-08-01 Usinor High-strength isotropic steel, method for making steel plates and resulting plates
FR2845694A1 (en) * 2002-10-14 2004-04-16 Usinor Fabrication of bake hardened steel strip for the production of automotive structural and appearance components, with or without anti-corrosion coatings
WO2016055227A1 (en) * 2014-10-09 2016-04-14 Thyssenkrupp Steel Europe Ag Cold-rolled and recrystallisation annealed flat steel product, and method for the production thereof
WO2018054742A1 (en) * 2016-09-20 2018-03-29 Thyssenkrupp Steel Europe Ag Method for producing flat steel products, and a flat steel product

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3753796A (en) * 1968-12-20 1973-08-21 Bethlehem Steel Corp Rolled steel having high strength and low impact transition temperature and method of producing same
DE2104824B2 (en) * 1970-02-02 1974-02-28 Nippon Kokan K.K., Tokio Manufacture of cold-rolled steel, especially deep-drawing steel
US3988173A (en) * 1972-04-03 1976-10-26 Nippon Steel Corporation Cold rolled steel sheet having excellent workability and method thereof
JPS51138516A (en) * 1975-05-27 1976-11-30 Nippon Steel Corp Process for producing cold rolled steel sheet having excellent pressforming properties by low temperature heating of slab
US4391653A (en) * 1980-09-25 1983-07-05 Nippon Steel Corporation Process for producing cold rolled steel strip having excellent mechanical strength and useful for motor vehicles
US4426235A (en) * 1981-01-26 1984-01-17 Kabushiki Kaisha Kobe Seiko Sho Cold-rolled high strength steel plate with composite steel structure of high r-value and method for producing same
EP0194118A2 (en) * 1985-03-06 1986-09-10 Kawasaki Steel Corporation Production of formable thin steel sheet excellent in ridging resistance
DE3528782A1 (en) * 1985-08-10 1987-02-19 Hoesch Stahl Ag METHOD FOR PRODUCING AN AGING-RESISTANT STRIP STEEL WITH HIGH COLD FORMABILITY
JPH032538A (en) * 1989-05-30 1991-01-08 Mitsubishi Electric Corp Structure for attaching pressure sensor mount to substrate for integrated circuit
EP0496416A1 (en) * 1991-01-25 1992-07-29 Nkk Corporation Nickel alloy electroplated cold-rolled steel sheet excellent in press-formability and phosphating-treatability and method for manufacturing same
JPH04210427A (en) * 1990-12-12 1992-07-31 Kawasaki Steel Corp Production of hot rolled steel plate excellent in deep drawability
EP0681032A1 (en) * 1993-11-22 1995-11-08 Nippon Steel Corporation Continuously cast slab of extremely low carbon steel and thin extremely low carbon steel sheet in which surface defect rarely occurs during steel sheet manufacturing step, and method of manufacturing the same slab and steel sheet

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3753796A (en) * 1968-12-20 1973-08-21 Bethlehem Steel Corp Rolled steel having high strength and low impact transition temperature and method of producing same
DE2104824B2 (en) * 1970-02-02 1974-02-28 Nippon Kokan K.K., Tokio Manufacture of cold-rolled steel, especially deep-drawing steel
US3988173A (en) * 1972-04-03 1976-10-26 Nippon Steel Corporation Cold rolled steel sheet having excellent workability and method thereof
JPS51138516A (en) * 1975-05-27 1976-11-30 Nippon Steel Corp Process for producing cold rolled steel sheet having excellent pressforming properties by low temperature heating of slab
US4391653A (en) * 1980-09-25 1983-07-05 Nippon Steel Corporation Process for producing cold rolled steel strip having excellent mechanical strength and useful for motor vehicles
US4426235A (en) * 1981-01-26 1984-01-17 Kabushiki Kaisha Kobe Seiko Sho Cold-rolled high strength steel plate with composite steel structure of high r-value and method for producing same
EP0194118A2 (en) * 1985-03-06 1986-09-10 Kawasaki Steel Corporation Production of formable thin steel sheet excellent in ridging resistance
DE3528782A1 (en) * 1985-08-10 1987-02-19 Hoesch Stahl Ag METHOD FOR PRODUCING AN AGING-RESISTANT STRIP STEEL WITH HIGH COLD FORMABILITY
JPH032538A (en) * 1989-05-30 1991-01-08 Mitsubishi Electric Corp Structure for attaching pressure sensor mount to substrate for integrated circuit
JPH04210427A (en) * 1990-12-12 1992-07-31 Kawasaki Steel Corp Production of hot rolled steel plate excellent in deep drawability
EP0496416A1 (en) * 1991-01-25 1992-07-29 Nkk Corporation Nickel alloy electroplated cold-rolled steel sheet excellent in press-formability and phosphating-treatability and method for manufacturing same
EP0681032A1 (en) * 1993-11-22 1995-11-08 Nippon Steel Corporation Continuously cast slab of extremely low carbon steel and thin extremely low carbon steel sheet in which surface defect rarely occurs during steel sheet manufacturing step, and method of manufacturing the same slab and steel sheet

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
KASPAR,Radko,u.a.: Simulation der Vorgänge beim Fertigwalzen und Aufhaspeln von mikrolegierten Baustählen. In: Stahl und Eisen, 101, 1981, S.1413-1417 *

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7361237B2 (en) 2001-01-26 2008-04-22 Usinor High-strength isotropic steel, method for making steel plates and resulting plates
FR2820150A1 (en) * 2001-01-26 2002-08-02 Usinor HIGH-RESISTANCE ISOTROPIC STEEL, METHOD OF MANUFACTURING SHEETS AND SHEETS OBTAINED
WO2002059384A3 (en) * 2001-01-26 2002-09-19 Usinor High-strength isotropic steel, method for making steel plates and resulting plates
WO2002059384A2 (en) * 2001-01-26 2002-08-01 Usinor High-strength isotropic steel, method for making steel plates and resulting plates
US7540928B2 (en) 2002-10-14 2009-06-02 Usinor Process for manufacturing bake hardening steel sheet, and steel sheet and parts thus obtained
WO2004035838A1 (en) * 2002-10-14 2004-04-29 Usinor Method for making hardenable steel plates by firing, resulting steel plates
FR2845694A1 (en) * 2002-10-14 2004-04-16 Usinor Fabrication of bake hardened steel strip for the production of automotive structural and appearance components, with or without anti-corrosion coatings
WO2016055227A1 (en) * 2014-10-09 2016-04-14 Thyssenkrupp Steel Europe Ag Cold-rolled and recrystallisation annealed flat steel product, and method for the production thereof
CN106795575A (en) * 2014-10-09 2017-05-31 蒂森克虏伯钢铁欧洲股份公司 Cold rolling and full annealed flat product and its manufacture method
CN106795575B (en) * 2014-10-09 2018-08-28 蒂森克虏伯钢铁欧洲股份公司 The flat product and its manufacturing method of cold rolling and full annealed
US10683560B2 (en) 2014-10-09 2020-06-16 Thyssenkrupp Steel Europe Ag Cold-rolled and recrystallization annealed flat steel product, and method for the production thereof
WO2018054742A1 (en) * 2016-09-20 2018-03-29 Thyssenkrupp Steel Europe Ag Method for producing flat steel products, and a flat steel product
US11453923B2 (en) 2016-09-20 2022-09-27 Thyssenkrupp Steel Europe Ag Method for manufacturing flat steel products and flat steel product

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