CA1054031A - Method of coating low alloy steel - Google Patents
Method of coating low alloy steelInfo
- Publication number
- CA1054031A CA1054031A CA225,652A CA225652A CA1054031A CA 1054031 A CA1054031 A CA 1054031A CA 225652 A CA225652 A CA 225652A CA 1054031 A CA1054031 A CA 1054031A
- Authority
- CA
- Canada
- Prior art keywords
- atmosphere
- aluminum
- temperature
- stock
- furnace
- Prior art date
- 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
Links
- 239000011248 coating agent Substances 0.000 title claims abstract description 65
- 238000000576 coating method Methods 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 51
- 229910000851 Alloy steel Inorganic materials 0.000 title claims abstract description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 85
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 60
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 57
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000012298 atmosphere Substances 0.000 claims abstract description 42
- 229910052742 iron Inorganic materials 0.000 claims abstract description 42
- 229910052751 metal Inorganic materials 0.000 claims abstract description 39
- 239000002184 metal Substances 0.000 claims abstract description 39
- 238000005275 alloying Methods 0.000 claims abstract description 37
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 230000001590 oxidative effect Effects 0.000 claims abstract description 24
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- 239000010703 silicon Substances 0.000 claims abstract description 18
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000011651 chromium Substances 0.000 claims abstract description 16
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 16
- 239000010936 titanium Substances 0.000 claims abstract description 16
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 16
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002344 surface layer Substances 0.000 claims abstract description 14
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 239000011159 matrix material Substances 0.000 claims abstract description 9
- 239000006185 dispersion Substances 0.000 claims abstract description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 22
- 239000000956 alloy Substances 0.000 claims description 22
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 22
- 239000001301 oxygen Substances 0.000 claims description 22
- 229910052760 oxygen Inorganic materials 0.000 claims description 22
- 239000001257 hydrogen Substances 0.000 claims description 17
- 229910052739 hydrogen Inorganic materials 0.000 claims description 17
- 238000011282 treatment Methods 0.000 claims description 17
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 15
- 238000002485 combustion reaction Methods 0.000 claims description 12
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 10
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 9
- 229910052725 zinc Inorganic materials 0.000 claims description 9
- 239000011701 zinc Substances 0.000 claims description 9
- 239000006104 solid solution Substances 0.000 claims description 5
- 239000000446 fuel Substances 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 description 24
- 230000008569 process Effects 0.000 description 24
- 230000003647 oxidation Effects 0.000 description 22
- 238000007254 oxidation reaction Methods 0.000 description 22
- 235000013980 iron oxide Nutrition 0.000 description 17
- 239000010410 layer Substances 0.000 description 16
- 229910000975 Carbon steel Inorganic materials 0.000 description 11
- 239000010962 carbon steel Substances 0.000 description 11
- 229940107218 chromium Drugs 0.000 description 9
- 235000012721 chromium Nutrition 0.000 description 9
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000001228 spectrum Methods 0.000 description 6
- 150000002739 metals Chemical class 0.000 description 5
- 238000009736 wetting Methods 0.000 description 5
- 239000010953 base metal Substances 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 229910000640 Fe alloy Inorganic materials 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 238000000992 sputter etching Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000005269 aluminizing Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000003618 dip coating Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000005246 galvanizing Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- -1 zinc Chemical class 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241001600451 Chromis Species 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- KCZFLPPCFOHPNI-UHFFFAOYSA-N alumane;iron Chemical compound [AlH3].[Fe] KCZFLPPCFOHPNI-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- XKRFYHLGVUSROY-UHFFFAOYSA-N argon Substances [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004453 electron probe microanalysis Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000001995 intermetallic alloy Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005211 surface analysis Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229910000648 terne Inorganic materials 0.000 description 1
- 230000007704 transition Effects 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/38—Wires; Tubes
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
- C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
- C23C2/0222—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating in a reactive atmosphere, e.g. oxidising or reducing atmosphere
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
- C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
- C23C2/0224—Two or more thermal pretreatments
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
- C23C2/026—Deposition of sublayers, e.g. adhesion layers or pre-applied alloying elements or corrosion protection
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Coating With Molten Metal (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US473142A US3925579A (en) | 1974-05-24 | 1974-05-24 | Method of coating low alloy steels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1054031A true CA1054031A (en) | 1979-05-08 |
Family
ID=23878370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA225,652A Expired CA1054031A (en) | 1974-05-24 | 1975-04-28 | Method of coating low alloy steel |
Country Status (12)
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU509460B2 (en) * | 1976-12-23 | 1980-05-15 | Armco Steel Corporation | Treating steel strip prior to metal coating |
| US4140552A (en) * | 1976-12-23 | 1979-02-20 | Armco Steel Corporation | Method of treating aluminum-killed and low alloy steel strip and sheet surfaces, in sulfur-bearing atmosphere, for metallic coating |
| DE3201475A1 (de) * | 1981-05-22 | 1982-12-09 | Hermann Huster GmbH & Co, 5800 Hagen | Verfahren zum feuerverzinken metallischer werkstuecke |
| BE892218A (fr) * | 1982-02-19 | 1982-08-19 | Centre Rech Metallurgique | Procede de galvanisation en continu de bandes d'acier |
| GB2125437B (en) * | 1982-08-17 | 1985-12-04 | Standard Telephones Cables Ltd | Soldering process |
| US4500605A (en) * | 1983-02-17 | 1985-02-19 | Olin Corporation | Electrical component forming process |
| US4624895A (en) * | 1984-06-04 | 1986-11-25 | Inland Steel Company | Aluminum coated low-alloy steel foil |
| FR2593831B1 (fr) * | 1986-02-06 | 1994-01-21 | Irsid | Procede de revetement protecteur d'un produit en fer ou en acier et produit revetu |
| US4675214A (en) * | 1986-05-20 | 1987-06-23 | Kilbane Farrell M | Hot dip aluminum coated chromium alloy steel |
| US5066549A (en) * | 1986-05-20 | 1991-11-19 | Armco Inc. | Hot dip aluminum coated chromium alloy steel |
| US4800135A (en) * | 1986-05-20 | 1989-01-24 | Armco Inc. | Hot dip aluminum coated chromium alloy steel |
| US4829655A (en) * | 1987-03-24 | 1989-05-16 | W. R. Grace & Co.-Conn. | Catalyst support and method for making same |
| US5116645A (en) * | 1988-08-29 | 1992-05-26 | Armco Steel Company, L.P. | Hot dip aluminum coated chromium alloy steel |
| US5023113A (en) * | 1988-08-29 | 1991-06-11 | Armco Steel Company, L.P. | Hot dip aluminum coated chromium alloy steel |
| US5217943A (en) * | 1989-01-25 | 1993-06-08 | The University Of Arkansas | Process for making composite ceramic superconducting wires |
| FR2664617B1 (fr) * | 1990-07-16 | 1993-08-06 | Lorraine Laminage | Procede de revetement d'aluminium par trempe a chaud d'une bande d'acier et bande d'acier obtenue par ce procede. |
| US5447754A (en) * | 1994-04-19 | 1995-09-05 | Armco Inc. | Aluminized steel alloys containing chromium and method for producing same |
| US6335062B1 (en) * | 1994-09-13 | 2002-01-01 | The United States Of America As Represented By The Secretary Of The Navy | Reactive oxygen-assisted ion implantation into metals and products made therefrom |
| US6386127B1 (en) * | 2000-02-07 | 2002-05-14 | Case Corporation | Disc opener assembly for a seed planter |
| FR2828888B1 (fr) * | 2001-08-21 | 2003-12-12 | Stein Heurtey | Procede de galvanisation a chaud de bandes metalliques d'aciers a haute resistance |
| CA2459134C (en) * | 2002-03-01 | 2009-09-01 | Jfe Steel Corporation | Coated steel sheet and method for manufacturing the same |
| FR2852330B1 (fr) * | 2003-03-12 | 2007-05-11 | Stein Heurtey | Procede d'oxydation controlee de bandes avant galvanisation en continu et ligne de galvanisation |
| DE102004059566B3 (de) * | 2004-12-09 | 2006-08-03 | Thyssenkrupp Steel Ag | Verfahren zum Schmelztauchbeschichten eines Bandes aus höherfestem Stahl |
| BE1017086A3 (fr) * | 2006-03-29 | 2008-02-05 | Ct Rech Metallurgiques Asbl | Procede de recuit et preparation en continu d'une bande en acier a haute resistance en vue de sa galvanisation au trempe. |
| DE502006006289D1 (de) | 2006-04-26 | 2010-04-08 | Thyssenkrupp Steel Europe Ag | Verfahren zum schmelztauchbeschichten eines stahlflachproduktes aus höherfestem stahl |
| EP2009129A1 (en) * | 2007-06-29 | 2008-12-31 | ArcelorMittal France | Process for manufacturing a galvannealed steel sheet by DFF regulation |
| KR101079472B1 (ko) * | 2008-12-23 | 2011-11-03 | 주식회사 포스코 | 도금표면품질이 우수한 고망간강의 용융아연도금강판의 제조방법 |
| DE102009018577B3 (de) | 2009-04-23 | 2010-07-29 | Thyssenkrupp Steel Europe Ag | Verfahren zum Schmelztauchbeschichten eines 2-35 Gew.-% Mn enthaltenden Stahlflachprodukts und Stahlflachprodukt |
| DE102010037254B4 (de) | 2010-08-31 | 2012-05-24 | Thyssenkrupp Steel Europe Ag | Verfahren zum Schmelztauchbeschichten eines Stahlflachprodukts |
| DE102011050243A1 (de) | 2011-05-10 | 2012-11-15 | Thyssenkrupp Steel Europe Ag | Vorrichtung und Verfahren zum im Durchlauf erfolgenden Behandeln eines Stahlflachprodukts |
| DE102011051731B4 (de) | 2011-07-11 | 2013-01-24 | Thyssenkrupp Steel Europe Ag | Verfahren zur Herstellung eines durch Schmelztauchbeschichten mit einer metallischen Schutzschicht versehenen Stahlflachprodukts |
| DE102013105378B3 (de) | 2013-05-24 | 2014-08-28 | Thyssenkrupp Steel Europe Ag | Verfahren zur Herstellung eines durch Schmelztauchbeschichten mit einer metallischen Schutzschicht versehenen Stahlflachprodukts und Durchlaufofen für eine Schmelztauchbeschichtungsanlage |
| JP6356808B2 (ja) * | 2013-12-10 | 2018-07-11 | アルセロールミタル | 鋼板の焼鈍方法 |
| US10821706B2 (en) * | 2016-05-30 | 2020-11-03 | Jfe Steel Corporation | Ferritic stainless steel sheet |
| DE102019108459B4 (de) * | 2019-04-01 | 2021-02-18 | Salzgitter Flachstahl Gmbh | Verfahren zur Herstellung eines Stahlbandes mit verbesserter Haftung metallischer Schmelztauchüberzüge |
| DE102019108457B4 (de) * | 2019-04-01 | 2021-02-04 | Salzgitter Flachstahl Gmbh | Verfahren zur Herstellung eines Stahlbandes mit verbesserter Haftung metallischer Schmelztauchüberzüge |
| CN118880023B (zh) * | 2024-09-26 | 2025-01-10 | 大连胜光科技发展有限公司 | 一种用于退火炉的炉区露点控制方法及系统 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2197622A (en) * | 1937-04-22 | 1940-04-16 | American Rolling Mill Co | Process for galvanizing sheet metal |
| US3295199A (en) * | 1961-10-19 | 1967-01-03 | Inland Steel Co | Process of making soft, ductile, galvanized material |
| US3320085A (en) * | 1965-03-19 | 1967-05-16 | Selas Corp Of America | Galvanizing |
-
1974
- 1974-05-24 US US473142A patent/US3925579A/en not_active Expired - Lifetime
-
1975
- 1975-04-28 CA CA225,652A patent/CA1054031A/en not_active Expired
- 1975-05-08 GB GB19401/75A patent/GB1496398A/en not_active Expired
- 1975-05-21 DE DE2522485A patent/DE2522485C3/de not_active Expired
- 1975-05-21 IT IT49698/75A patent/IT1035805B/it active
- 1975-05-22 SE SE7505849A patent/SE434959B/xx not_active IP Right Cessation
- 1975-05-22 YU YU1312/75A patent/YU36996B/xx unknown
- 1975-05-22 BR BR4121/75A patent/BR7503219A/pt unknown
- 1975-05-22 JP JP6026975A patent/JPS5649989B2/ja not_active Expired
- 1975-05-23 BE BE156630A patent/BE829402A/xx not_active IP Right Cessation
- 1975-05-23 ES ES437895A patent/ES437895A1/es not_active Expired
- 1975-05-23 FR FR7516245A patent/FR2272193B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5649989B2 (enrdf_load_stackoverflow) | 1981-11-26 |
| JPS5129324A (enrdf_load_stackoverflow) | 1976-03-12 |
| ES437895A1 (es) | 1977-01-01 |
| FR2272193A1 (enrdf_load_stackoverflow) | 1975-12-19 |
| BE829402A (fr) | 1975-11-24 |
| US3925579A (en) | 1975-12-09 |
| DE2522485A1 (de) | 1975-12-04 |
| SE7505849L (sv) | 1975-11-25 |
| SE434959B (sv) | 1984-08-27 |
| FR2272193B1 (enrdf_load_stackoverflow) | 1978-09-22 |
| DE2522485C3 (de) | 1981-09-24 |
| DE2522485B2 (de) | 1980-10-02 |
| YU131275A (en) | 1982-06-18 |
| IT1035805B (it) | 1979-10-20 |
| BR7503219A (pt) | 1976-04-27 |
| GB1496398A (en) | 1977-12-30 |
| YU36996B (en) | 1984-08-31 |
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