NL8000724A - Werkwijze voor het vervaardigen van staal, voorwerpen. - Google Patents

Werkwijze voor het vervaardigen van staal, voorwerpen. Download PDF

Info

Publication number: NL8000724A
Authority: NL; Netherlands
Prior art keywords: steel; carbon content; bath; iron carbide; iron
Prior art date: 1979-02-15

Application number

NL8000724A

Other languages

English (en)

Dutch (nl)

Original Assignee

Luossavaara Kiirunavaara Ab

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.)

1979-02-15

Filing date

1980-02-05

Publication date

1980-08-19

1980-02-05 Application filed by Luossavaara Kiirunavaara Ab filed Critical Luossavaara Kiirunavaara Ab

1980-08-19 Publication of NL8000724A publication Critical patent/NL8000724A/nl

Links

229910000831 Steel Inorganic materials 0.000 title claims description 50
239000010959 steel Substances 0.000 title claims description 50
238000000034 method Methods 0.000 title claims description 19
238000004519 manufacturing process Methods 0.000 title claims description 4
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 52
229910052799 carbon Inorganic materials 0.000 claims description 50
229910001567 cementite Inorganic materials 0.000 claims description 22
239000012159 carrier gas Substances 0.000 claims description 4
239000003795 chemical substances by application Substances 0.000 claims description 4
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 17
229910052742 iron Inorganic materials 0.000 description 9
229910000805 Pig iron Inorganic materials 0.000 description 8
238000000746 purification Methods 0.000 description 7
239000003245 coal Substances 0.000 description 5
MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 4
239000000571 coke Substances 0.000 description 4
229910001882 dioxygen Inorganic materials 0.000 description 4
239000012535 impurity Substances 0.000 description 4
238000002360 preparation method Methods 0.000 description 4
-1 Iron carbides Chemical class 0.000 description 3
239000000463 material Substances 0.000 description 3
239000000203 mixture Substances 0.000 description 3
238000005303 weighing Methods 0.000 description 3
239000000654 additive Substances 0.000 description 2
238000005275 alloying Methods 0.000 description 2
238000001816 cooling Methods 0.000 description 2
229910002804 graphite Inorganic materials 0.000 description 2
239000010439 graphite Substances 0.000 description 2
239000000155 melt Substances 0.000 description 2
239000000126 substance Substances 0.000 description 2
229910001209 Low-carbon steel Inorganic materials 0.000 description 1
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
241001304248 Progne modesta Species 0.000 description 1
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
239000000956 alloy Substances 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
238000000137 annealing Methods 0.000 description 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
238000007664 blowing Methods 0.000 description 1
239000006227 byproduct Substances 0.000 description 1
239000003575 carbonaceous material Substances 0.000 description 1
239000004568 cement Substances 0.000 description 1
238000005261 decarburization Methods 0.000 description 1
238000004090 dissolution Methods 0.000 description 1
239000001301 oxygen Substances 0.000 description 1
229910052760 oxygen Inorganic materials 0.000 description 1
239000002245 particle Substances 0.000 description 1
229910052698 phosphorus Inorganic materials 0.000 description 1
239000011574 phosphorus Substances 0.000 description 1
230000002250 progressing effect Effects 0.000 description 1
239000007858 starting material Substances 0.000 description 1
229910052717 sulfur Inorganic materials 0.000 description 1
239000011593 sulfur Substances 0.000 description 1
239000000725 suspension Substances 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0025—Adding carbon material

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Treatment Of Steel In Its Molten State (AREA)
Carbon Steel Or Casting Steel Manufacturing (AREA)
Investigating And Analyzing Materials By Characteristic Methods (AREA)
Heat Treatment Of Steel (AREA)

NL8000724A 1979-02-15 1980-02-05 Werkwijze voor het vervaardigen van staal, voorwerpen. NL8000724A (nl)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
SE7901372A SE7901372L (sv)	1979-02-15	1979-02-15	Sett vid framstellning av stal
SE7901372		1979-02-15

Publications (1)

Publication Number	Publication Date
NL8000724A true NL8000724A (nl)	1980-08-19

Family

ID=20337312

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL8000724A NL8000724A (nl)	1979-02-15	1980-02-05	Werkwijze voor het vervaardigen van staal, voorwerpen.

Country Status (9)

Country	Link
JP (1)	JPS55113823A (fr)
BE (1)	BE881720A (fr)
DE (1)	DE3003915A1 (fr)
FR (1)	FR2449126A1 (fr)
GB (1)	GB2043696A (fr)
IT (1)	IT1129686B (fr)
LU (1)	LU82160A1 (fr)
NL (1)	NL8000724A (fr)
SE (1)	SE7901372L (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AUPO426396A0 (en) *	1996-12-18	1997-01-23	Technological Resources Pty Limited	A method of producing iron
AUPO426096A0 (en)	1996-12-18	1997-01-23	Technological Resources Pty Limited	Method and apparatus for producing metals and metal alloys
AUPO944697A0 (en)	1997-09-26	1997-10-16	Technological Resources Pty Limited	A method of producing metals and metal alloys
MY119760A (en)	1998-07-24	2005-07-29	Tech Resources Pty Ltd	A direct smelting process
AUPP483898A0 (en)	1998-07-24	1998-08-13	Technological Resources Pty Limited	A direct smelting process & apparatus
AUPP570098A0 (en)	1998-09-04	1998-10-01	Technological Resources Pty Limited	A direct smelting process
AUPP647198A0 (en)	1998-10-14	1998-11-05	Technological Resources Pty Limited	A process and an apparatus for producing metals and metal alloys
AUPP805599A0 (en)	1999-01-08	1999-02-04	Technological Resources Pty Limited	A direct smelting process
AUPQ083599A0 (en)	1999-06-08	1999-07-01	Technological Resources Pty Limited	Direct smelting vessel
AUPQ152299A0 (en)	1999-07-09	1999-08-05	Technological Resources Pty Limited	Start-up procedure for direct smelting process
AUPQ205799A0 (en)	1999-08-05	1999-08-26	Technological Resources Pty Limited	A direct smelting process
AUPQ213099A0 (en)	1999-08-10	1999-09-02	Technological Resources Pty Limited	Pressure control
AUPQ308799A0 (en)	1999-09-27	1999-10-21	Technological Resources Pty Limited	A direct smelting process
AUPQ346399A0 (en)	1999-10-15	1999-11-11	Technological Resources Pty Limited	Stable idle procedure
AUPQ365799A0 (en)	1999-10-26	1999-11-18	Technological Resources Pty Limited	A direct smelting apparatus and process
US6602321B2 (en)	2000-09-26	2003-08-05	Technological Resources Pty. Ltd.	Direct smelting process

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR320682A (fr) *	1902-04-25	1902-12-17	Electro Metallurg Francaise	Un procédé pour désoxyder et carburer l'acier liquide
FR1451587A (fr) *	1964-08-04	1966-01-07	Forges De Thy Marcinelle	Procédé et installation pour la recarburation de l'acier
JPS5223039B2 (fr) *	1973-05-31	1977-06-21

1979
- 1979-02-15 SE SE7901372A patent/SE7901372L/ not_active Application Discontinuation
1980
- 1980-01-29 GB GB8003030A patent/GB2043696A/en not_active Withdrawn
- 1980-01-31 IT IT19582/80A patent/IT1129686B/it active
- 1980-02-04 DE DE19803003915 patent/DE3003915A1/de not_active Withdrawn
- 1980-02-05 NL NL8000724A patent/NL8000724A/nl not_active Application Discontinuation
- 1980-02-07 FR FR8002659A patent/FR2449126A1/fr not_active Withdrawn
- 1980-02-12 LU LU82160A patent/LU82160A1/fr unknown
- 1980-02-14 BE BE0/199397A patent/BE881720A/fr unknown
- 1980-02-15 JP JP1676680A patent/JPS55113823A/ja active Pending

Also Published As

Publication number	Publication date
GB2043696A (en)	1980-10-08
FR2449126A1 (fr)	1980-09-12
IT8019582A0 (it)	1980-01-31
JPS55113823A (en)	1980-09-02
DE3003915A1 (de)	1980-08-21
IT1129686B (it)	1986-06-11
BE881720A (fr)	1980-08-14
SE7901372L (sv)	1980-08-16
LU82160A1 (fr)	1980-05-07

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Legal Events

Date	Code	Title	Description
1983-10-03	BV	The patent application has lapsed