EP0105368A4 - Method of hot-forming metals prone to crack during rolling. - Google Patents
Method of hot-forming metals prone to crack during rolling.Info
- Publication number
- EP0105368A4 EP0105368A4 EP19830902518 EP83902518A EP0105368A4 EP 0105368 A4 EP0105368 A4 EP 0105368A4 EP 19830902518 EP19830902518 EP 19830902518 EP 83902518 A EP83902518 A EP 83902518A EP 0105368 A4 EP0105368 A4 EP 0105368A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- metal
- bar
- hot
- steel alloy
- cross
- 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.)
- Granted
Links
- 229910052751 metal Inorganic materials 0.000 title claims description 45
- 239000002184 metal Substances 0.000 title claims description 45
- 238000000034 method Methods 0.000 title claims description 37
- 238000005096 rolling process Methods 0.000 title claims description 16
- 150000002739 metals Chemical class 0.000 title description 7
- 230000009467 reduction Effects 0.000 claims description 26
- 238000005266 casting Methods 0.000 claims description 24
- 230000006835 compression Effects 0.000 claims description 24
- 238000007906 compression Methods 0.000 claims description 24
- 238000005336 cracking Methods 0.000 claims description 24
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 18
- 230000003750 conditioning effect Effects 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- KKEBXNMGHUCPEZ-UHFFFAOYSA-N 4-phenyl-1-(2-sulfanylethyl)imidazolidin-2-one Chemical compound N1C(=O)N(CCS)CC1C1=CC=CC=C1 KKEBXNMGHUCPEZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000009749 continuous casting Methods 0.000 claims description 4
- 229910001208 Crucible steel Inorganic materials 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 4
- 229910052799 carbon Inorganic materials 0.000 claims 4
- 229910001315 Tool steel Inorganic materials 0.000 claims 2
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- 238000005260 corrosion Methods 0.000 claims 1
- 230000007797 corrosion Effects 0.000 claims 1
- 238000005520 cutting process Methods 0.000 claims 1
- 229910000734 martensite Inorganic materials 0.000 claims 1
- 238000004881 precipitation hardening Methods 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 238000005275 alloying Methods 0.000 description 9
- 210000004027 cell Anatomy 0.000 description 7
- 239000000047 product Substances 0.000 description 6
- 238000005098 hot rolling Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- -1 copper and aluminum Chemical class 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Classifications
-
- 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
- B21B1/46—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 metal immediately subsequent to continuous casting
- B21B1/463—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 metal immediately subsequent to continuous casting in a continuous process, i.e. the cast not being cut before rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/1206—Accessories for subsequent treating or working cast stock in situ for plastic shaping of strands
-
- 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
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/13—Modifying the physical properties of iron or steel by deformation by hot working
-
- 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
- B21B3/003—Rolling non-ferrous metals immediately subsequent to continuous casting, i.e. in-line rolling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Metal Rolling (AREA)
- Forging (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US34588582A | 1982-02-04 | 1982-02-04 | |
US345885 | 1999-07-01 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0105368A1 EP0105368A1 (en) | 1984-04-18 |
EP0105368A4 true EP0105368A4 (en) | 1984-07-03 |
EP0105368B1 EP0105368B1 (en) | 1988-06-01 |
Family
ID=23356930
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP83902518A Expired EP0105368B1 (en) | 1982-02-04 | 1983-02-04 | Method of hot-forming metals prone to crack during rolling |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0105368B1 (en) |
GB (1) | GB2124939B (en) |
WO (1) | WO1983002783A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9014437D0 (en) * | 1990-06-28 | 1990-08-22 | Holton Machinery Ltd | Continuous casting and extruding |
TW297788B (en) * | 1994-12-15 | 1997-02-11 | Sumitomo Metal Ind | |
DE19915624A1 (en) * | 1999-04-03 | 2000-10-05 | Sms Demag Ag | Process and arrangement for the continuous production of finished profiles from metal |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2019700A1 (en) * | 1969-05-09 | 1970-11-19 | Voest Ag | Process for the production of heavy plates |
FR2223114A1 (en) * | 1973-03-26 | 1974-10-25 | Nippon Kokan Kk | |
GB2014071A (en) * | 1978-02-13 | 1979-08-22 | Nippon Kokan Kk | Continuous casting of steel |
FR2461010A1 (en) * | 1979-07-12 | 1981-01-30 | Doryokuro Kakunenryo | PROCESS FOR IMPROVING RESISTANCE TO DECARBURIZATION OF CHROME-MOLYBDENE STEEL |
GB1596395A (en) * | 1977-12-14 | 1981-08-26 | Jernkontoret Forskningsavdelni | Method of continuous casting of steels or metal alloys with segregation tendancy and apparatus for carrying out the method |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1816849C3 (en) * | 1968-12-24 | 1973-12-13 | Demag Ag, 4100 Duisburg | Process for continuous casting and subsequent rolling from the casting heat of steel |
DE2441795C2 (en) * | 1974-08-31 | 1982-12-09 | Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover | Endless metallic casting belt for the casting groove of a casting wheel for continuous casting |
US4352697A (en) * | 1979-10-01 | 1982-10-05 | Southwire Company | Method of hot-forming metals prone to crack during rolling |
US4354880A (en) * | 1979-10-01 | 1982-10-19 | Southwire Company | Method of forge-conditioning non-ferrous metals prior to rolling |
-
1983
- 1983-02-04 EP EP83902518A patent/EP0105368B1/en not_active Expired
- 1983-02-04 WO PCT/US1983/000194 patent/WO1983002783A1/en active IP Right Grant
- 1983-02-04 GB GB08326523A patent/GB2124939B/en not_active Expired
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2019700A1 (en) * | 1969-05-09 | 1970-11-19 | Voest Ag | Process for the production of heavy plates |
FR2223114A1 (en) * | 1973-03-26 | 1974-10-25 | Nippon Kokan Kk | |
GB1596395A (en) * | 1977-12-14 | 1981-08-26 | Jernkontoret Forskningsavdelni | Method of continuous casting of steels or metal alloys with segregation tendancy and apparatus for carrying out the method |
GB2014071A (en) * | 1978-02-13 | 1979-08-22 | Nippon Kokan Kk | Continuous casting of steel |
FR2461010A1 (en) * | 1979-07-12 | 1981-01-30 | Doryokuro Kakunenryo | PROCESS FOR IMPROVING RESISTANCE TO DECARBURIZATION OF CHROME-MOLYBDENE STEEL |
Non-Patent Citations (1)
Title |
---|
See also references of WO8302783A1 * |
Also Published As
Publication number | Publication date |
---|---|
GB8326523D0 (en) | 1983-11-02 |
EP0105368A1 (en) | 1984-04-18 |
EP0105368B1 (en) | 1988-06-01 |
WO1983002783A1 (en) | 1983-08-18 |
GB2124939A (en) | 1984-02-29 |
GB2124939B (en) | 1986-02-05 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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17P | Request for examination filed |
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STAA | Information on the status of an ep patent application or granted ep patent |
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