BR0204681A - Método de produção para tubos de aço sem costura - Google Patents
Método de produção para tubos de aço sem costuraInfo
- Publication number
- BR0204681A BR0204681A BR0204681-4A BR0204681A BR0204681A BR 0204681 A BR0204681 A BR 0204681A BR 0204681 A BR0204681 A BR 0204681A BR 0204681 A BR0204681 A BR 0204681A
- Authority
- BR
- Brazil
- Prior art keywords
- round bar
- steel
- lamination
- steel pipes
- central segregation
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 3
- 229910000831 Steel Inorganic materials 0.000 abstract 4
- 239000010959 steel Substances 0.000 abstract 4
- 238000003475 lamination Methods 0.000 abstract 3
- 238000005204 segregation Methods 0.000 abstract 3
- 239000000498 cooling water Substances 0.000 abstract 2
- 238000005266 casting Methods 0.000 abstract 1
- 238000009749 continuous casting Methods 0.000 abstract 1
- 238000005553 drilling Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000013021 overheating Methods 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 238000007711 solidification Methods 0.000 abstract 1
- 230000008023 solidification Effects 0.000 abstract 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
- B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
- B21B19/04—Rolling basic material of solid, i.e. non-hollow, structure; Piercing, e.g. rotary piercing mills
-
- 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
- B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
- B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
- B21B19/06—Rolling hollow basic material, e.g. Assel mills
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Heat Treatment Of Steel (AREA)
- Metal Rolling (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001090890 | 2001-03-27 | ||
JP2002040741A JP4045813B2 (ja) | 2001-03-27 | 2002-02-18 | 継目無鋼管の製造方法 |
PCT/JP2002/002756 WO2002076654A1 (fr) | 2001-03-27 | 2002-03-22 | Procede de fabrication d'un tube en acier sans soudure |
Publications (1)
Publication Number | Publication Date |
---|---|
BR0204681A true BR0204681A (pt) | 2003-06-10 |
Family
ID=26612234
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR0204681-4A BR0204681A (pt) | 2001-03-27 | 2002-03-22 | Método de produção para tubos de aço sem costura |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1284167B1 (ja) |
JP (1) | JP4045813B2 (ja) |
BR (1) | BR0204681A (ja) |
DE (1) | DE60224243T2 (ja) |
MX (1) | MXPA02011715A (ja) |
WO (1) | WO2002076654A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4045813B2 (ja) * | 2001-03-27 | 2008-02-13 | Jfeスチール株式会社 | 継目無鋼管の製造方法 |
JP4517811B2 (ja) * | 2004-10-14 | 2010-08-04 | 住友金属工業株式会社 | 継目無鋼管の製造方法 |
CN101983800B (zh) * | 2010-11-17 | 2012-09-05 | 中冶南方工程技术有限公司 | 方坯连铸机二冷配水控制方法 |
CN102019389B (zh) * | 2010-11-30 | 2013-02-13 | 攀钢集团钢铁钒钛股份有限公司 | P91钢圆坯连铸方法 |
JP5012992B2 (ja) * | 2010-12-08 | 2012-08-29 | 住友金属工業株式会社 | 継目無管の製造方法 |
CN102310178A (zh) * | 2011-07-08 | 2012-01-11 | 南阳汉冶特钢有限公司 | 一种解决铸坯中心偏析的方法 |
CN102632102A (zh) * | 2012-04-16 | 2012-08-15 | 常熟市无缝钢管有限公司 | 电梯控制开关用异型管材的加工方法 |
CN103586436B (zh) * | 2013-10-19 | 2015-09-02 | 甘肃酒钢集团宏兴钢铁股份有限公司 | 板坯连铸机的动态配水方法 |
CN105234365B (zh) * | 2015-11-10 | 2017-05-31 | 攀钢集团攀枝花钢铁研究院有限公司 | 重轨钢铸坯的铸造方法 |
CN105215310A (zh) * | 2015-11-17 | 2016-01-06 | 攀钢集团攀枝花钢铁研究院有限公司 | 一种大断面重轨钢铸坯中心疏松控制的方法 |
CN105880496B (zh) * | 2016-04-29 | 2016-12-07 | 马鞍山尚元冶金科技有限公司 | 一种数字化无结晶器异形坯连铸装置 |
CN112605361B (zh) * | 2020-12-11 | 2022-01-28 | 湖南华菱涟钢特种新材料有限公司 | 75Cr1钢表面横裂纹缺陷的控制方法 |
CN112935000B (zh) * | 2021-01-26 | 2023-07-14 | 合肥实华管件有限责任公司 | 一种制氢装置用超高压厚壁四通成形工艺 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU1221270A (en) * | 1969-03-14 | 1971-09-09 | Armco Steel Corporation | Process forthe production of oriented silicon iron by vacuum degassing and continuous casting |
JPS5033926A (ja) * | 1973-07-31 | 1975-04-02 | ||
JPH02182347A (ja) * | 1989-01-07 | 1990-07-17 | Nippon Steel Corp | 中心部の健全な鋼材及びその製造方法 |
JPH03104819A (ja) * | 1989-09-18 | 1991-05-01 | Kawasaki Steel Corp | 高クロム鋼の製造方法 |
JP3129064B2 (ja) * | 1993-12-10 | 2001-01-29 | 住友金属工業株式会社 | 継目無鋼管の製造方法 |
JP3033446B2 (ja) * | 1994-08-12 | 2000-04-17 | 住友金属工業株式会社 | 継目無鋼管素材の偏心凝固連続鋳造方法及び継目無鋼管の製造方法 |
JP2947098B2 (ja) * | 1994-11-28 | 1999-09-13 | 住友金属工業株式会社 | 継目無鋼管素材用連続鋳造鋳片の製造方法 |
JP3305604B2 (ja) * | 1996-12-20 | 2002-07-24 | 山陽特殊製鋼株式会社 | 継目無鋼管の製造方法 |
JP2000102847A (ja) * | 1998-09-25 | 2000-04-11 | Nippon Steel Corp | クロム溶鋼の鋳造方法 |
JP4045813B2 (ja) * | 2001-03-27 | 2008-02-13 | Jfeスチール株式会社 | 継目無鋼管の製造方法 |
-
2002
- 2002-02-18 JP JP2002040741A patent/JP4045813B2/ja not_active Expired - Fee Related
- 2002-03-22 WO PCT/JP2002/002756 patent/WO2002076654A1/ja active IP Right Grant
- 2002-03-22 BR BR0204681-4A patent/BR0204681A/pt not_active Application Discontinuation
- 2002-03-22 EP EP02705439A patent/EP1284167B1/en not_active Expired - Lifetime
- 2002-03-22 DE DE60224243T patent/DE60224243T2/de not_active Expired - Fee Related
- 2002-11-27 MX MXPA02011715 patent/MXPA02011715A/es not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP1284167A1 (en) | 2003-02-19 |
JP2002361384A (ja) | 2002-12-17 |
EP1284167A4 (en) | 2005-11-09 |
EP1284167B1 (en) | 2007-12-26 |
DE60224243D1 (de) | 2008-02-07 |
DE60224243T2 (de) | 2008-05-08 |
MXPA02011715A (es) | 2003-03-27 |
JP4045813B2 (ja) | 2008-02-13 |
WO2002076654A1 (fr) | 2002-10-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B25D | Requested change of name of applicant approved | ||
B25G | Requested change of headquarter approved | ||
B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
B11B | Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements |