SE439025B - Sett att avlegsna oxidskikt fran ytan av varmvalsat rostfritt stal - Google Patents

Sett att avlegsna oxidskikt fran ytan av varmvalsat rostfritt stal

Info

Publication number: SE439025B
Authority: SE; Sweden
Prior art keywords: solution; stainless steel; sulfuric acid; remove; rolled stainless
Prior art date: 1979-09-13

Application number

SE7907610A

Other languages

English (en)

Swedish (sv)

Other versions

SE7907610L (sv

Inventor

L Stromberg

K Berglund

Original Assignee

Fagersta 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.)

1979-09-13

Filing date

1979-09-13

Publication date

1985-05-28

1979-09-13 Application filed by Fagersta Ab filed Critical Fagersta Ab

1979-09-13 Priority to SE7907610A priority Critical patent/SE439025B/sv

1980-08-04 Priority to DE19803029525 priority patent/DE3029525A1/de

1980-08-12 Priority to GB8026245A priority patent/GB2058140B/en

1980-08-20 Priority to ES494393A priority patent/ES494393A0/es

1980-08-29 Priority to NL8004889A priority patent/NL8004889A/nl

1980-09-02 Priority to JP12072980A priority patent/JPS5641012A/ja

1980-09-05 Priority to IT24478/80A priority patent/IT1132666B/it

1980-09-12 Priority to BE0/202093A priority patent/BE885220A/fr

1980-09-12 Priority to FR8019698A priority patent/FR2465012A1/fr

1981-03-14 Publication of SE7907610L publication Critical patent/SE7907610L/

1985-05-28 Publication of SE439025B publication Critical patent/SE439025B/sv

Links

229910001220 stainless steel Inorganic materials 0.000 title claims description 11
239000010935 stainless steel Substances 0.000 title claims description 6
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 21
238000000034 method Methods 0.000 claims description 11
235000016068 Berberis vulgaris Nutrition 0.000 claims description 7
241000335053 Beta vulgaris Species 0.000 claims description 7
238000005096 rolling process Methods 0.000 claims description 2
238000009210 therapy by ultrasound Methods 0.000 claims description 2
238000001816 cooling Methods 0.000 claims 1
238000005554 pickling Methods 0.000 description 8
239000000203 mixture Substances 0.000 description 6
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
238000002474 experimental method Methods 0.000 description 4
239000007789 gas Substances 0.000 description 4
230000008901 benefit Effects 0.000 description 3
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
239000002253 acid Substances 0.000 description 2
230000000052 comparative effect Effects 0.000 description 2
230000000694 effects Effects 0.000 description 2
239000011521 glass Substances 0.000 description 2
229910052500 inorganic mineral Inorganic materials 0.000 description 2
239000011707 mineral Substances 0.000 description 2
235000011149 sulphuric acid Nutrition 0.000 description 2
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
239000000654 additive Substances 0.000 description 1
229910000147 aluminium phosphate Inorganic materials 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
229910052804 chromium Inorganic materials 0.000 description 1
239000011651 chromium Substances 0.000 description 1
239000012141 concentrate Substances 0.000 description 1
238000010908 decantation Methods 0.000 description 1
230000007613 environmental effect Effects 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
229910052742 iron Inorganic materials 0.000 description 1
238000009533 lab test Methods 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
229910044991 metal oxide Inorganic materials 0.000 description 1
150000004706 metal oxides Chemical class 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
238000010327 methods by industry Methods 0.000 description 1
239000003595 mist Substances 0.000 description 1
229910052759 nickel Inorganic materials 0.000 description 1
229910017604 nitric acid Inorganic materials 0.000 description 1
GQPLMRYTRLFLPF-UHFFFAOYSA-N nitrous oxide Inorganic materials [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 1
230000001590 oxidative effect Effects 0.000 description 1
238000000746 purification Methods 0.000 description 1
238000011084 recovery Methods 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
239000010802 sludge Substances 0.000 description 1
239000000126 substance Substances 0.000 description 1
230000002110 toxicologic effect Effects 0.000 description 1
231100000027 toxicology Toxicity 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/081—Iron or steel solutions containing H2SO4

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

SE7907610A 1979-09-13 1979-09-13 Sett att avlegsna oxidskikt fran ytan av varmvalsat rostfritt stal SE439025B (sv)

Priority Applications (9)

Application Number	Priority Date	Filing Date	Title
SE7907610A SE439025B (sv)	1979-09-13	1979-09-13	Sett att avlegsna oxidskikt fran ytan av varmvalsat rostfritt stal
DE19803029525 DE3029525A1 (de)	1979-09-13	1980-08-04	Verfahren zur entfernung von oxidschichten von der oberflaeche von warmgewalztem, nichtrostendem stahl
GB8026245A GB2058140B (en)	1979-09-13	1980-08-12	Removing oxide scale from surface of stainless steel
ES494393A ES494393A0 (es)	1979-09-13	1980-08-20	Metodo de eliminar cascarilla de oxidos de la superficie de aceros inoxidables laminados en caliente
NL8004889A NL8004889A (nl)	1979-09-13	1980-08-29	Werkwijze voor het verwijderen van de oxydehuid van roestvrij staal.
JP12072980A JPS5641012A (en)	1979-09-13	1980-09-02	Method of removing oxide scale from surface of stainless steel hot rolled
IT24478/80A IT1132666B (it)	1979-09-13	1980-09-05	Metodo per eliminare scaglie di ossido dalla superficie di acciai inossidabili laminati a caldo
BE0/202093A BE885220A (fr)	1979-09-13	1980-09-12	Procede d'elimination de couches oxydees a partir de la surface d'acier
FR8019698A FR2465012A1 (fr)	1979-09-13	1980-09-12	Procede d'elimination de couches oxydees a partir de la surface d'acier

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE7907610A SE439025B (sv)	1979-09-13	1979-09-13	Sett att avlegsna oxidskikt fran ytan av varmvalsat rostfritt stal

Publications (2)

Publication Number	Publication Date
SE7907610L SE7907610L (sv)	1981-03-14
SE439025B true SE439025B (sv)	1985-05-28

Family

ID=20338819

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7907610A SE439025B (sv)	1979-09-13	1979-09-13	Sett att avlegsna oxidskikt fran ytan av varmvalsat rostfritt stal

Country Status (9)

Country	Link
JP (1)	JPS5641012A (it)
BE (1)	BE885220A (it)
DE (1)	DE3029525A1 (it)
ES (1)	ES494393A0 (it)
FR (1)	FR2465012A1 (it)
GB (1)	GB2058140B (it)
IT (1)	IT1132666B (it)
NL (1)	NL8004889A (it)
SE (1)	SE439025B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NO175906C (no) *	1992-05-18	1995-01-04	Leif Inge Aanestad	Fremgangsmåte for metallbelegging av innvendige flater i tanker og rör
TW416996B (en) *	1996-05-24	2001-01-01	Armco Inc	Hydrogen peroxide pickling of stainless steel

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB385429A (en) *	1931-12-31	1932-12-29	Wiggin & Co Ltd Henry	Improvements relating to the treatment of corrosion or heat-resisting alloys to remove oxide scale therefrom
US2605775A (en) *	1947-02-21	1952-08-05	Superior Steel Corp	Process of teating cold rolled straight chrome type stainless steel
US2895856A (en) *	1955-12-15	1959-07-21	United States Steel Corp	Method of pickling chromium-containing steel tubes
US2981643A (en) *	1958-02-19	1961-04-25	Russell D Baybarz	Process for descaling and decontaminating metals

1979
- 1979-09-13 SE SE7907610A patent/SE439025B/sv not_active IP Right Cessation
1980
- 1980-08-04 DE DE19803029525 patent/DE3029525A1/de not_active Withdrawn
- 1980-08-12 GB GB8026245A patent/GB2058140B/en not_active Expired
- 1980-08-20 ES ES494393A patent/ES494393A0/es active Granted
- 1980-08-29 NL NL8004889A patent/NL8004889A/nl not_active Application Discontinuation
- 1980-09-02 JP JP12072980A patent/JPS5641012A/ja active Pending
- 1980-09-05 IT IT24478/80A patent/IT1132666B/it active
- 1980-09-12 BE BE0/202093A patent/BE885220A/fr not_active IP Right Cessation
- 1980-09-12 FR FR8019698A patent/FR2465012A1/fr active Pending

Also Published As

Publication number	Publication date
IT8024478A0 (it)	1980-09-05
BE885220A (fr)	1981-03-12
NL8004889A (nl)	1981-03-17
FR2465012A1 (fr)	1981-03-20
GB2058140A (en)	1981-04-08
ES8202065A1 (es)	1982-02-01
SE7907610L (sv)	1981-03-14
ES494393A0 (es)	1982-02-01
IT1132666B (it)	1986-07-02
GB2058140B (en)	1982-12-22
JPS5641012A (en)	1981-04-17
DE3029525A1 (de)	1981-04-02

Legal Events

Date

Code

Title

Description

1995-01-31

NUG

Patent has lapsed

Ref document number: 7907610-5

Effective date: 19880622

Format of ref document f/p: F

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