US3442644A - Ferro-alloys containing niobium and titanium - Google Patents

Ferro-alloys containing niobium and titanium Download PDF

Info

Publication number: US3442644A
Authority: US; United States
Prior art keywords: ferro; titanium; niobium; alloy; alloys containing
Prior art date: 1966-01-26
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 - Lifetime

Application number

US610503A

Other languages

English (en)

Inventor

Fritz Stadler

Buderich Dusseldorf

Rudolf Fichte

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.)

GfE Gesellschaft fuer Elektrometallurgie mbH

Original Assignee

Elektrometallurgie Gmbh

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.)

1966-01-26

Filing date

1967-01-20

Publication date

1969-05-06

1967-01-20 Application filed by Elektrometallurgie Gmbh filed Critical Elektrometallurgie Gmbh

1969-05-06 Application granted granted Critical

1969-05-06 Publication of US3442644A publication Critical patent/US3442644A/en

1986-05-06 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

229910001021 Ferroalloy Inorganic materials 0.000 title description 18
RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title description 17
229910052758 niobium Inorganic materials 0.000 title description 17
239000010955 niobium Substances 0.000 title description 17
GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 title description 17
239000010936 titanium Substances 0.000 title description 17
229910052719 titanium Inorganic materials 0.000 title description 17
229910000831 Steel Inorganic materials 0.000 description 11
239000010959 steel Substances 0.000 description 11
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
238000005275 alloying Methods 0.000 description 7
239000004411 aluminium Substances 0.000 description 7
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
229910052782 aluminium Inorganic materials 0.000 description 7
229910052799 carbon Inorganic materials 0.000 description 7
XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
239000010703 silicon Substances 0.000 description 6
229910052710 silicon Inorganic materials 0.000 description 6
229910045601 alloy Inorganic materials 0.000 description 5
239000000956 alloy Substances 0.000 description 5
229910052742 iron Inorganic materials 0.000 description 5
230000003647 oxidation Effects 0.000 description 5
238000007254 oxidation reaction Methods 0.000 description 5
238000000034 method Methods 0.000 description 4
229910000592 Ferroniobium Inorganic materials 0.000 description 3
ZFGFKQDDQUAJQP-UHFFFAOYSA-N iron niobium Chemical compound [Fe].[Fe].[Nb] ZFGFKQDDQUAJQP-UHFFFAOYSA-N 0.000 description 3
238000002844 melting Methods 0.000 description 3
230000008018 melting Effects 0.000 description 3
229910001200 Ferrotitanium Inorganic materials 0.000 description 2
238000009826 distribution Methods 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
239000005864 Sulphur Substances 0.000 description 1
238000005266 casting Methods 0.000 description 1
238000004090 dissolution Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
239000012535 impurity Substances 0.000 description 1
238000010348 incorporation Methods 0.000 description 1
239000004615 ingredient Substances 0.000 description 1
WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
RJSRQTFBFAJJIL-UHFFFAOYSA-N niobium titanium Chemical compound [Ti].[Nb] RJSRQTFBFAJJIL-UHFFFAOYSA-N 0.000 description 1
238000009628 steelmaking Methods 0.000 description 1
229910052715 tantalum Inorganic materials 0.000 description 1
GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
238000009827 uniform distribution Methods 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C35/00—Master alloys for iron or steel
- C22C35/005—Master alloys for iron or steel based on iron, e.g. ferro-alloys
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- 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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium

Definitions

This invention relates to a ferro-alloy containing niobium and titanium.
structural steels such as are used for example in fabricating large diameter tubes, may have a low carbon content of about 0.2% so that the steels are weldable.
about 0.02% of niobium is added to make good the consequent reduction in tensile and yield strength, and the incorporation of about 0.07% titanium has also proved to be useful for grain refinement.
Such steels are cast semi-killed or completely deoxidised with aluminium, and the alloying elements niobium and titanium are added in the ladle.
ferroalloys are used, namely a ferro-titanium containing 30 to 40% titanium, and a ferro-niobium containing 60% niobium and 2 to 6% tantalum, as well as certain quantities of silicon and aluminium.
This conventional procedure results in a considerable loss by oxidation of the alloying components, and the distribution of the alloying elements in the final steel is not always uniform, as is desirable, and the steel may contain occlusions.
the manner in which the alloying elements are added has a considerable effect on the uniformity of their distribution in the steel and upon oxidation loss, and the invention provides a ferro-alloy which is capable of ensuring a uniform distribution of the alloying elements in the steel and reducing oxidation loss to a surprising extent, and which without precautions is capable of dissolution in the ladle by virtue of the heat content thereof.
the invention comprises a ferro-alloy consisting essentially of 25 to 50% titanium, to 25% niobium, 1 to 10% aluminium, 1 to 5% silicon and 0 to 0.5% carbon, the remainder being iron.
a ferro-alloy consisting essentially of 25 to 50% titanium, to 25% niobium, 1 to 10% aluminium, 1 to 5% silicon and 0 to 0.5% carbon, the remainder being iron.
the titanium-niobium ratio is preferably between 5 :1 and 1:1
the oxidation loss occasioned by the use of the ferro- 3,442,644 Patented May 6, 1969 alloys of the invention is less and the titanium and niobium yield is therefore greater than when using ferroalloys which contain either only titanium or only niobium.
the melting range of the ferro-alloys of the invention is lower than that of conventional ferro-niobium, being from to C. lower.
An alloy which is particularly effective for the stated purpose consists essentially of 35 to 40% titanium, 12 to 15% niobium, 5 to 10% aluminium, 2 to 5% silicon and about 0.1% carbon, the remainder being iron.
the melting range of the said preferred ferro-alloy is between 1430 and 1450 C.
a ferro-alloy consisting essentially of 25 to 50%. titanium, 5 to 25% niobium, 1 to 10% aluminium, 1 to 5% silicon and 0 to 0.5% carbon, the remainder being iron.
a ferro-alloy according to claim 1 consisting essentially of 35 to 40% titanium, 12 to 15% niobium, 5 to 10% aluminium, 2 to 5% silicon, and about 0.1% carbon, the remainder being iron.

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Treatment Of Steel In Its Molten State (AREA)

US610503A 1966-01-26 1967-01-20 Ferro-alloys containing niobium and titanium Expired - Lifetime US3442644A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DEG45821A DE1288792B (de)	1966-01-26	1966-01-26	Ferrotitanlegierung

Publications (1)

Publication Number	Publication Date
US3442644A true US3442644A (en)	1969-05-06

Family

ID=7127845

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
US610503A Expired - Lifetime US3442644A (en)	1966-01-26	1967-01-20	Ferro-alloys containing niobium and titanium

Country Status (5)

Country	Link
US (1)	US3442644A (de)
AT (1)	AT266896B (de)
DE (1)	DE1288792B (de)
FR (1)	FR1508876A (de)
GB (1)	GB1099609A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
RU2416659C1 (ru) *	2010-02-24	2011-04-20	Иван Васильевич Рябчиков	Способ получения ферросиликотитана

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2269407A (en) *	1938-04-14	1942-01-06	Electro Metallurg Co	Addition agent and its use in the treatment of iron and steel
US2339357A (en) *	1942-06-05	1944-01-18	Charles J Schafer	Tool alloy
US2822268A (en) *	1956-08-01	1958-02-04	Du Pont	Compositions of matter
US3215526A (en) *	1962-11-02	1965-11-02	Union Carbide Corp	Columbium containing composition

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB782564A (en) *	1952-12-22	1957-09-11	Rem Cru Titanium Inc	Improvements in or relating to titanium-aluminium base alloys

1966
- 1966-01-26 DE DEG45821A patent/DE1288792B/de active Pending
- 1966-12-27 AT AT1188366A patent/AT266896B/de active
1967
- 1967-01-03 GB GB350/67A patent/GB1099609A/en not_active Expired
- 1967-01-20 US US610503A patent/US3442644A/en not_active Expired - Lifetime
- 1967-01-25 FR FR92395A patent/FR1508876A/fr not_active Expired

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2269407A (en) *	1938-04-14	1942-01-06	Electro Metallurg Co	Addition agent and its use in the treatment of iron and steel
US2339357A (en) *	1942-06-05	1944-01-18	Charles J Schafer	Tool alloy
US2822268A (en) *	1956-08-01	1958-02-04	Du Pont	Compositions of matter
US3215526A (en) *	1962-11-02	1965-11-02	Union Carbide Corp	Columbium containing composition

Also Published As

Publication number	Publication date
GB1099609A (en)	1968-01-17
DE1288792B (de)	1969-02-06
AT266896B (de)	1968-12-10
FR1508876A (fr)	1968-01-05

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US2950187A (en)	1960-08-23	Iron-calcium base alloy
IE43069B1 (en)	1980-12-17	Free machining steel
US2643949A (en)	1953-06-30	Method for the production of iron and steel
US3442644A (en)	1969-05-06	Ferro-alloys containing niobium and titanium
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US3107995A (en)	1963-10-22	Refining material for iron and steel and method of producing same
US2295706A (en)	1942-09-15	Alloy for treatment of steel
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US3306737A (en)	1967-02-28	Magnesium and rare earth metal containing prealloy for the treatment of iron and steel melts
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US2803539A (en)	1957-08-20	Fe-cr-ni alloys
US2834666A (en)	1958-05-13	Method for the production of metal powders
US1955791A (en)	1934-04-24	High-strength cast iron and method of making same
US2842437A (en)	1958-07-08	Austenitic nodular iron
CN1995407A (zh)	2007-07-11	用于钢脱氧与合金化的微碳铝锰铁合金及其制备方法
US2221784A (en)	1940-11-19	Method and agent for treating molten iron and steel
SU1705390A1 (ru)	1992-01-15	Лигатура дл стали
US2255016A (en)	1941-09-02	Process for treating iron and steel
AT105032B (de)	1926-12-27	Verfahren zur Herstellung von nichtrostendem Chromstahl und anderen Eisenlegierungen.