CA977556A - Method of reducing a carbon content of iron, cobalt or nickel based melts containing at least 10% chromium - Google Patents

Method of reducing a carbon content of iron, cobalt or nickel based melts containing at least 10% chromium

Info

Publication number: CA977556A
Authority: CA; Canada
Prior art keywords: cobalt; chromium; iron; reducing; carbon content
Prior art date: 1971-10-06
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

Application number

CA153,345A

Other versions

CA153345S (en

Inventor

Mans K.O. Johnsson

Lars A. Eriksson

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Uddeholms AB

Original Assignee

Uddeholms 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.)

1971-10-06

Filing date

1972-10-05

Publication date

1975-11-11

1972-06-09 Priority claimed from SE7207583A external-priority patent/SE386205C/en

1972-10-05 Application filed by Uddeholms AB filed Critical Uddeholms AB

1975-11-11 Application granted granted Critical

1975-11-11 Publication of CA977556A publication Critical patent/CA977556A/en

Status Expired legal-status Critical Current

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
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/068—Decarburising
- 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
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/068—Decarburising
- C21C7/0685—Decarburising of stainless steel

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)
Manufacture And Refinement Of Metals (AREA)
Carbon Steel Or Casting Steel Manufacturing (AREA)
Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

CA153,345A 1971-10-06 1972-10-05 Method of reducing a carbon content of iron, cobalt or nickel based melts containing at least 10% chromium Expired CA977556A (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
GB4650771		1971-10-06
GB916272*[A GB1396317A (en)	1971-10-06	1972-02-28	Process for decarbu''sing chromium containing alloys
SE7207583A SE386205C (en)	1971-10-06	1972-06-09	SETTING TO REDUCE THE CARBON CONTENT IN CHROME-CONTAINED METAL MELTS

Publications (1)

Publication Number	Publication Date
CA977556A true CA977556A (en)	1975-11-11

Family

ID=27255318

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA153,345A Expired CA977556A (en)	1971-10-06	1972-10-05	Method of reducing a carbon content of iron, cobalt or nickel based melts containing at least 10% chromium

Country Status (13)

Country	Link
US (1)	US3867135A (en)
JP (1)	JPS5545610B2 (en)
AT (1)	AT338855B (en)
AU (1)	AU477134B2 (en)
BE (1)	BE789083A (en)
CA (1)	CA977556A (en)
DE (1)	DE2243779C2 (en)
ES (1)	ES406431A1 (en)
FI (1)	FI53597C (en)
FR (1)	FR2158859A5 (en)
GB (1)	GB1396317A (en)
IT (1)	IT964235B (en)
LU (1)	LU66234A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4188206A (en) *	1971-10-06	1980-02-12	Uddeholms Aktiebolag	Metallurgical process
FR2340375A2 (en) *	1976-02-04	1977-09-02	Creusot Loire	PROCESS FOR THE PREPARATION OF CHROME STEELS
US4187474A (en) *	1977-08-11	1980-02-05	Xerox Corporation	Metal vapor laser discharge tube
US4260415A (en) *	1979-12-12	1981-04-07	Allegheny Ludlum Steel Corporation	Decarburizing molten metal
US4451288A (en) *	1982-06-29	1984-05-29	Union Carbide Corporation	Method for producing low hydrogen content in steels produced by subsurface pneumatic refining
US5055253A (en) *	1990-07-17	1991-10-08	Nelson & Associates Research, Inc.	Metallic composition
US5182079A (en) *	1990-07-17	1993-01-26	Nelson & Associates Research, Inc.	Metallic composition and processes for use of the same
US5505798A (en) *	1994-06-22	1996-04-09	Jerry L. Nelson	Method of producing a tool or die steel
US6146033A (en)	1998-06-03	2000-11-14	Printronix, Inc.	High strength metal alloys with high magnetic saturation induction and method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2079901A (en) *	1934-07-05	1937-05-11	Burtner Fleeger	Metallurgical addition agent and process
US2855293A (en) *	1955-03-21	1958-10-07	Air Liquide	Method and apparatus for treating molten metal with oxygen
US2864689A (en) *	1956-07-24	1958-12-16	Electro Chimie Metal	Process of successively desulphurizing and desiliconizing a bath of pig iron
US3076703A (en) *	1958-04-28	1963-02-05	Arbed	Manufacture of steel
BE610265A (en) *	1960-11-18
BE635868A (en) *	1962-08-07
GB1182959A (en) *	1967-12-08	1970-03-04	Steel Co Of Wales Ltd	Improvements in and relating to the Refining of Iron.
GB1253581A (en) *	1968-02-24	1971-11-17	Maximilianshuette Eisenwerk	Improvements in processes and apparatus for making steel

0
- BE BE789083D patent/BE789083A/en not_active IP Right Cessation
1972
- 1972-02-28 GB GB916272*[A patent/GB1396317A/en not_active Expired
- 1972-07-28 FI FI2128/72A patent/FI53597C/en active
- 1972-08-24 IT IT28475/72A patent/IT964235B/en active
- 1972-09-06 ES ES72406431A patent/ES406431A1/en not_active Expired
- 1972-09-06 DE DE2243779A patent/DE2243779C2/en not_active Expired
- 1972-10-02 AT AT845572A patent/AT338855B/en not_active IP Right Cessation
- 1972-10-04 AU AU47399/72A patent/AU477134B2/en not_active Expired
- 1972-10-04 FR FR7235109A patent/FR2158859A5/fr not_active Expired
- 1972-10-04 JP JP9972072A patent/JPS5545610B2/ja not_active Expired
- 1972-10-04 LU LU66234A patent/LU66234A1/xx unknown
- 1972-10-05 US US295355A patent/US3867135A/en not_active Expired - Lifetime
- 1972-10-05 CA CA153,345A patent/CA977556A/en not_active Expired

Also Published As

Publication number	Publication date
FI53597B (en)	1978-02-28
AT338855B (en)	1977-09-26
ES406431A1 (en)	1975-07-16
AU477134B2 (en)	1976-10-14
JPS5545610B2 (en)	1980-11-19
ATA845572A (en)	1977-01-15
AU4739972A (en)	1974-04-11
DE2243779A1 (en)	1973-04-12
GB1396317A (en)	1975-06-04
LU66234A1 (en)	1973-02-01
US3867135A (en)	1975-02-18
FI53597C (en)	1978-06-12
DE2243779C2 (en)	1985-06-27
IT964235B (en)	1974-01-21
BE789083A (en)	1973-01-15
JPS4845413A (en)	1973-06-29
FR2158859A5 (en)	1973-06-15

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