CA2525147A1 - Fe-cr alloy billet and method for production thereof - Google Patents
Fe-cr alloy billet and method for production thereof Download PDFInfo
- Publication number
- CA2525147A1 CA2525147A1 CA002525147A CA2525147A CA2525147A1 CA 2525147 A1 CA2525147 A1 CA 2525147A1 CA 002525147 A CA002525147 A CA 002525147A CA 2525147 A CA2525147 A CA 2525147A CA 2525147 A1 CA2525147 A1 CA 2525147A1
- Authority
- CA
- Canada
- Prior art keywords
- alloy
- manufacturing
- billet
- steel pipes
- seamless steel
- 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
- 238000004519 manufacturing process Methods 0.000 title abstract 5
- 229910000599 Cr alloy Inorganic materials 0.000 title 1
- 229910017060 Fe Cr Inorganic materials 0.000 abstract 4
- 229910002544 Fe-Cr Inorganic materials 0.000 abstract 4
- 229910000831 Steel Inorganic materials 0.000 abstract 4
- UPHIPHFJVNKLMR-UHFFFAOYSA-N chromium iron Chemical compound [Cr].[Fe] UPHIPHFJVNKLMR-UHFFFAOYSA-N 0.000 abstract 4
- 239000010959 steel Substances 0.000 abstract 4
- 229910045601 alloy Inorganic materials 0.000 abstract 3
- 239000000956 alloy Substances 0.000 abstract 3
- 229910000851 Alloy steel Inorganic materials 0.000 abstract 1
- 229910001208 Crucible steel Inorganic materials 0.000 abstract 1
- 238000007373 indentation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000004381 surface treatment Methods 0.000 abstract 1
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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- 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
- B21B1/02—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 heavy work, e.g. ingots, slabs, blooms, or billets, in which the cross-sectional form is unimportant ; Rolling combined with forging or pressing
- B21B1/026—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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- 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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- 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
- B21B1/02—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 heavy work, e.g. ingots, slabs, blooms, or billets, in which the cross-sectional form is unimportant ; Rolling combined with forging or pressing
- B21B2001/022—Blooms or billets
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B9/00—Measures for carrying out rolling operations under special conditions, e.g. in vacuum or inert atmosphere to prevent oxidation of work; Special measures for removing fumes from rolling mills
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Metal Rolling (AREA)
- Heat Treatment Of Steel (AREA)
- Metal Extraction Processes (AREA)
- Forging (AREA)
Abstract
Fe-Cr alloy billet manufacturing method according to the present invention, since the blooming is carried out with the high reduction rate surface of the cast steel covered with a scale layer of a large area rate as 70 %
or more and without the descaling applied, can reduce the indentation and inclusion of the scale. Thereby, in the case of a billet for use in seamless steel pipes being manufactured from a steel strip of a Fe-Cr alloy, surface treatment before tube-making can be largely reduced. Thereby, when the Fe-Cr alloy billet is adopted in manufacturing seamless steel pipes, since even the Fe-Cr alloy steel pipe relatively hard to process can be manufactured at low manufacturing cost and efficiently, it can be widely applied in a field of manufacturing hot seamless steel pipes.
or more and without the descaling applied, can reduce the indentation and inclusion of the scale. Thereby, in the case of a billet for use in seamless steel pipes being manufactured from a steel strip of a Fe-Cr alloy, surface treatment before tube-making can be largely reduced. Thereby, when the Fe-Cr alloy billet is adopted in manufacturing seamless steel pipes, since even the Fe-Cr alloy steel pipe relatively hard to process can be manufactured at low manufacturing cost and efficiently, it can be widely applied in a field of manufacturing hot seamless steel pipes.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-144557 | 2003-05-22 | ||
JP2003144557 | 2003-05-22 | ||
PCT/JP2004/007223 WO2004103589A1 (en) | 2003-05-22 | 2004-05-20 | Fe-Cr ALLY BILLET AND METHOD FOR PRODUCTION THEREOF |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2525147A1 true CA2525147A1 (en) | 2004-12-02 |
CA2525147C CA2525147C (en) | 2009-08-18 |
Family
ID=33475208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002525147A Expired - Fee Related CA2525147C (en) | 2003-05-22 | 2004-05-20 | Fe-cr alloy billet and method for production thereof |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP1637241B1 (en) |
JP (1) | JP4265603B2 (en) |
CN (1) | CN100417460C (en) |
BR (1) | BRPI0410554B1 (en) |
CA (1) | CA2525147C (en) |
MX (1) | MXPA05012509A (en) |
RU (1) | RU2313409C2 (en) |
WO (1) | WO2004103589A1 (en) |
ZA (1) | ZA200510009B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5320084B2 (en) * | 2008-04-16 | 2013-10-23 | 株式会社神戸製鋼所 | Manufacturing method of high Cr content steel with good descalability |
CN101856669B (en) * | 2010-06-02 | 2012-01-04 | 东北大学 | Control method of softness of oxide scales on surface of hot-rolling strip steel |
JP5423641B2 (en) * | 2010-10-13 | 2014-02-19 | 新日鐵住金株式会社 | Split rolling method for high purity ferritic stainless steel |
JP6314785B2 (en) * | 2014-10-14 | 2018-04-25 | 新日鐵住金株式会社 | Split rolling method |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2720693B2 (en) * | 1992-02-19 | 1998-03-04 | 住友金属工業株式会社 | Blast rolling of austenitic stainless steel continuous cast slab. |
JPH06100931A (en) * | 1992-09-17 | 1994-04-12 | Kawasaki Steel Corp | Production of round billet for producing martenstic stainless seamless pipe |
JPH06306455A (en) * | 1993-04-26 | 1994-11-01 | Nippon Steel Corp | Manufacture of ferritic stainless steel having little surface flaw |
JP2738281B2 (en) * | 1993-12-22 | 1998-04-08 | 日本鋼管株式会社 | Hot rolling method of stainless steel slab |
JPH07204703A (en) * | 1994-01-21 | 1995-08-08 | Sumitomo Metal Ind Ltd | Manufacture of hot rolled stainless steel sheet |
JPH08174034A (en) * | 1994-12-21 | 1996-07-09 | Nippon Steel Corp | Manufacture of cr stainless steel sheet |
JPH10277912A (en) | 1997-04-04 | 1998-10-20 | Nippon Steel Corp | Surface flaw treatment method for steel piece |
JP3552579B2 (en) * | 1998-03-31 | 2004-08-11 | Jfeスチール株式会社 | Hot rolling method of stainless steel slab and chemicals for applying stainless steel slab before hot rolling |
-
2004
- 2004-05-20 EP EP04734124A patent/EP1637241B1/en not_active Expired - Fee Related
- 2004-05-20 MX MXPA05012509A patent/MXPA05012509A/en active IP Right Grant
- 2004-05-20 JP JP2005506403A patent/JP4265603B2/en not_active Expired - Lifetime
- 2004-05-20 CA CA002525147A patent/CA2525147C/en not_active Expired - Fee Related
- 2004-05-20 BR BRPI0410554-0B1A patent/BRPI0410554B1/en not_active IP Right Cessation
- 2004-05-20 CN CNB2004800138904A patent/CN100417460C/en not_active Expired - Fee Related
- 2004-05-20 RU RU2005140109/02A patent/RU2313409C2/en active
- 2004-05-20 WO PCT/JP2004/007223 patent/WO2004103589A1/en active Application Filing
-
2005
- 2005-12-09 ZA ZA2005/10009A patent/ZA200510009B/en unknown
Also Published As
Publication number | Publication date |
---|---|
WO2004103589A1 (en) | 2004-12-02 |
CA2525147C (en) | 2009-08-18 |
EP1637241A1 (en) | 2006-03-22 |
RU2313409C2 (en) | 2007-12-27 |
ZA200510009B (en) | 2006-12-27 |
MXPA05012509A (en) | 2006-02-08 |
BRPI0410554A (en) | 2006-06-20 |
JPWO2004103589A1 (en) | 2006-07-20 |
BRPI0410554B1 (en) | 2014-04-08 |
CN1791477A (en) | 2006-06-21 |
EP1637241B1 (en) | 2012-09-12 |
EP1637241A4 (en) | 2007-03-28 |
JP4265603B2 (en) | 2009-05-20 |
RU2005140109A (en) | 2007-07-10 |
CN100417460C (en) | 2008-09-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20210520 |