GB1253792A - A method for the manufacture of thin steel sheet in strip or plate form, and steel sheet, structured according to this method - Google Patents
A method for the manufacture of thin steel sheet in strip or plate form, and steel sheet, structured according to this methodInfo
- Publication number
- GB1253792A GB1253792A GB252670A GB252670A GB1253792A GB 1253792 A GB1253792 A GB 1253792A GB 252670 A GB252670 A GB 252670A GB 252670 A GB252670 A GB 252670A GB 1253792 A GB1253792 A GB 1253792A
- Authority
- GB
- United Kingdom
- Prior art keywords
- steel
- steel sheet
- chromium
- rolling
- annealing
- 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.)
- Expired
Links
- 229910000831 Steel Inorganic materials 0.000 title abstract 8
- 239000010959 steel Substances 0.000 title abstract 8
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract 3
- 238000000137 annealing Methods 0.000 abstract 3
- 229910052804 chromium Inorganic materials 0.000 abstract 3
- 239000011651 chromium Substances 0.000 abstract 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 229910052799 carbon Inorganic materials 0.000 abstract 2
- 238000005098 hot rolling Methods 0.000 abstract 2
- 229910052758 niobium Inorganic materials 0.000 abstract 2
- 229910052719 titanium Inorganic materials 0.000 abstract 2
- 229910001327 Rimmed steel Inorganic materials 0.000 abstract 1
- 229910001336 Semi-killed steel Inorganic materials 0.000 abstract 1
- 230000032683 aging Effects 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 229910052787 antimony Inorganic materials 0.000 abstract 1
- 229910052790 beryllium Inorganic materials 0.000 abstract 1
- 229910052797 bismuth Inorganic materials 0.000 abstract 1
- 229910052796 boron Inorganic materials 0.000 abstract 1
- 238000005097 cold rolling Methods 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 229910052735 hafnium Inorganic materials 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 229910052745 lead Inorganic materials 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 230000000704 physical effect Effects 0.000 abstract 1
- 229910052711 selenium Inorganic materials 0.000 abstract 1
- 230000035945 sensitivity Effects 0.000 abstract 1
- 229910052715 tantalum Inorganic materials 0.000 abstract 1
- 229910052721 tungsten Inorganic materials 0.000 abstract 1
- 229910052720 vanadium Inorganic materials 0.000 abstract 1
- 229910052725 zinc Inorganic materials 0.000 abstract 1
Classifications
-
- 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
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0421—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps
- C21D8/0426—Hot rolling
-
- 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
- B21B1/22—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 plates, strips, bands or sheets of indefinite length
- B21B1/24—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 plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
-
- 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
- B21B1/22—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 plates, strips, bands or sheets of indefinite length
- B21B1/30—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 plates, strips, bands or sheets of indefinite length in a non-continuous process
- B21B1/32—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 plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work
- B21B1/36—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 plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work by cold-rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2201/00—Special rolling modes
- B21B2201/04—Ferritic rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2261/00—Product parameters
- B21B2261/22—Hardness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2265/00—Forming parameters
- B21B2265/14—Reduction rate
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/004—Heating the product
-
- 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
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0447—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment
- C21D8/0473—Final recrystallisation annealing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Abstract
1,253,792. Making steel sheet; working at specified temperatures; improving physical properties. KONINKLIJKE NEDERLANDSCHE HOOGOVENS EN STAALFABRIEKEN N.V. 19 Jan., 1970 [22 Jan., 1969], No. 2526/70. Headings B3A and B3V. [Also in Division C7] A method of making thin steel sheet in strip or plate form comprises hot-rolling a steel slab of low carbon content the last passes being at a temperature of 750‹ to 800‹ C., coiling it at 610‹ to 720‹ C., cold-rolling and then annealing such that at least 80% of the coiled sheet reaches a highest temperature between 580‹ and 650‹ C. The slab is preferably heated initially to a temperature between 1080‹ and 1170‹ C. and more preferably between 1100‹ and 1150‹ C. Preferred ranges for the last hot-rolling passes, coiling and annealing are 760‹ to 790‹ C., 640‹ to 680‹ C. and 590‹ to 610‹ C. respectively. To decrease sensitivity to aging the steel chosen is a rimmed or semi-killed steel of chromium content 0À08 to 0À20% and preferably 0À14%. Instead of, or in combination with, chromium one or more of the metals Al, Zn, Hf, Ti, Be, Nb, V, Ta or B may be included in an amount to give the equivalent nitrogen binding capacity as the chromium in iron below 650‹ C. The R-values (strain ratios) of the steel may be improved by the addition of one or more of the elements Cu, W, Mb, P, Bi, Pb, Sb, Nb, Ti or Se. The carbon content of the steel may be reduced to below 0À06%, and preferably below 0À02%, during annealing.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6901060A NL6901060A (en) | 1969-01-22 | 1969-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1253792A true GB1253792A (en) | 1971-11-17 |
Family
ID=19805939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB252670A Expired GB1253792A (en) | 1969-01-22 | 1970-01-19 | A method for the manufacture of thin steel sheet in strip or plate form, and steel sheet, structured according to this method |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE744587A (en) |
| DE (1) | DE2002424A1 (en) |
| FR (1) | FR2028885B1 (en) |
| GB (1) | GB1253792A (en) |
| NL (1) | NL6901060A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3843732C2 (en) * | 1988-01-29 | 2001-05-10 | Salzgitter Ag | Cold rolled sheet or strip and process for its manufacture |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19701234C1 (en) * | 1997-01-16 | 1998-04-23 | Rasselstein Hoesch Gmbh | Highly formable thin steel sheet production |
-
1969
- 1969-01-22 NL NL6901060A patent/NL6901060A/xx unknown
-
1970
- 1970-01-19 GB GB252670A patent/GB1253792A/en not_active Expired
- 1970-01-19 BE BE744587D patent/BE744587A/en unknown
- 1970-01-20 DE DE19702002424 patent/DE2002424A1/en active Pending
- 1970-01-21 FR FR7002161A patent/FR2028885B1/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3843732C2 (en) * | 1988-01-29 | 2001-05-10 | Salzgitter Ag | Cold rolled sheet or strip and process for its manufacture |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2028885B1 (en) | 1975-12-26 |
| DE2002424A1 (en) | 1970-07-30 |
| NL6901060A (en) | 1970-07-24 |
| BE744587A (en) | 1970-07-20 |
| FR2028885A1 (en) | 1970-10-16 |
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