FI90668B - Förfarande för beläggning av en stålskiva med aluminium - Google Patents
Förfarande för beläggning av en stålskiva med aluminium Download PDFInfo
- Publication number
- FI90668B FI90668B FI894015A FI894015A FI90668B FI 90668 B FI90668 B FI 90668B FI 894015 A FI894015 A FI 894015A FI 894015 A FI894015 A FI 894015A FI 90668 B FI90668 B FI 90668B
- Authority
- FI
- Finland
- Prior art keywords
- plate
- temperature
- furnace
- coating
- heated
- Prior art date
Links
- 238000000576 coating method Methods 0.000 title claims description 78
- 239000011248 coating agent Substances 0.000 title claims description 74
- 229910000831 Steel Inorganic materials 0.000 title claims description 56
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims description 56
- 239000010959 steel Substances 0.000 title claims description 56
- 229910052782 aluminium Inorganic materials 0.000 title claims description 55
- 238000000034 method Methods 0.000 title claims description 31
- 239000012298 atmosphere Substances 0.000 claims description 54
- 239000001257 hydrogen Substances 0.000 claims description 36
- 229910052739 hydrogen Inorganic materials 0.000 claims description 36
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 35
- 229910000599 Cr alloy Inorganic materials 0.000 claims description 29
- 239000000788 chromium alloy Substances 0.000 claims description 29
- 230000001681 protective effect Effects 0.000 claims description 27
- 229910052751 metal Inorganic materials 0.000 claims description 26
- 239000002184 metal Substances 0.000 claims description 26
- 239000003546 flue gas Substances 0.000 claims description 18
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 15
- 229910052804 chromium Inorganic materials 0.000 claims description 15
- 239000011651 chromium Substances 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
- 238000002485 combustion reaction Methods 0.000 claims description 12
- 239000001301 oxygen Substances 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- 239000000567 combustion gas Substances 0.000 claims description 11
- 239000000446 fuel Substances 0.000 claims description 11
- 239000011247 coating layer Substances 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 238000005253 cladding Methods 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 18
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 10
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 9
- 230000003647 oxidation Effects 0.000 description 9
- 238000007254 oxidation reaction Methods 0.000 description 9
- 229910001220 stainless steel Inorganic materials 0.000 description 9
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 7
- 238000000137 annealing Methods 0.000 description 6
- 230000001603 reducing effect Effects 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000007598 dipping method Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000009736 wetting Methods 0.000 description 4
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 229910000423 chromium oxide Inorganic materials 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 229910001092 metal group alloy Inorganic materials 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000010953 base metal Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 102100038026 DNA fragmentation factor subunit alpha Human genes 0.000 description 1
- 101000950906 Homo sapiens DNA fragmentation factor subunit alpha Proteins 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 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
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/12—Aluminium or alloys based thereon
-
- 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
-
- 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
- C23C2/40—Plates; Strips
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coating With Molten Metal (AREA)
Claims (8)
1. Förfarande för beläggning av en stälskiva med aluminium under användning av oavbruten varmdoppning, kanne- 5. e c k n a t därav, att förfarandet omfattar följande ske-den : upphettning av en ferritisk kromlegeringsstalskiva i en atmosfär av gasformiga produkter frän förbränning av ett bränsle och luft, varvid atmosfären icke innehäller fritt syre och ski-10 vans temperatur är oti.llräcklig för att för mycket oxidera krommen i skivan, och vidare upphettning av skivan tili en temperatur minst ungefär temperaturen för aluminiumbelägg-ningsmetallens smältpunkt, samt följande i och för sig kända sked en: 15 kylning av skivan vid behov tili närheten av nämnda smältpunkt eller nägot över denna, transport av skivan igenom en skyddande atmosfär av minst 95 volymprocent väte, doppning av skivan i ett bad av beläggningsmeta 11smä11a för utfällning av ett beläggningsskikt pa skivans yta; 20 varvid beläggningsskiktet icke har väsentligen bara omräden och beläggningsskiktet häftar härt fast vid skivan.
2. Förfarande enligt patentkravet 1, kännetecknat därav, att skivan först upphettas tili en temperatur av högst 25 ca 650°C, och skivan upphettas vidare tili en temperatur av minst ca 830°C.
3. Förfarande enligt patentkravet 2, kännetecknat därav, att skivan upphettas tili högst ca 621°C temperatur di- 30 rekt genom förbränning av ett bränsle och luft.
4. Förfarande enligt patentkravet 2, k ä n n e t e c k n a f därav, att skivan upphettas vidare tili en temperatur 845 - ‘1 > °(' i n li m n tl a a 1 mos f ä r . 35 lii: 2i 90668
5. Förfarande enligt patentkravet 2, kännetecknat därav, att skivan innehäller minst 10 viktprocent krom.
6. Förfarande enligt patentkravet 1, k ä n n e t e c k n a t 5 därav, att den ferritiska krcmlegeringsstälskivans upphettning sker i en första ugnsavdelning i en med förbränningsgaserupp-hettad ugn och skivans upphettning vidare sker i en andra ugnsavdelning , varvid upphettningen i den första ugnsavdel-ningen producerar mindre än 80 % av skivans totala värmcinne-10 hali efter upphettningen vidare i den andra ugnsavdelningen.
7. Förfarande enligt patentkravet 6, k a n n e t e c k n a I därav, att skivan mjukglödgas i den andra ugnsavdelningen vid en temperatur, som är minst ca 830°C. 15
8. Förfarande enligt patentkravet 1, kännetecknat därav, att den ferritiska krcmlegeringsstälskivans upphettning ut-förs i en med förbränningsgaser upphettad ugns första avdel-ning tili en temperatur högst ca 650°C, skivans upphettning 20 vidare tili en temperatur minst ca 830°C i en andra ugnsavdelning, som innehäller en skyddande atmosfär av minst 95 volym-procent väte, varvid daggpunkten är högst -18°C, skivans kyl-ning utförs i nämnda atmosfär tili närmelsevis eller nägot över aluminiumbeläggningsmetallens smältpunkt, skivans trans-25 port utförs igenom ett kapslat rör , som innehäller nämnda atmosfär, varvid rörets atmosfär innehäller minst ca 97 volym-T. väte, medan daggpunkten är högst -29°C.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/237,915 US5023113A (en) | 1988-08-29 | 1988-08-29 | Hot dip aluminum coated chromium alloy steel |
| US23791588 | 1988-08-29 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI894015A0 FI894015A0 (sv) | 1989-08-28 |
| FI894015L FI894015L (sv) | 1990-03-01 |
| FI90668B true FI90668B (sv) | 1993-11-30 |
| FI90668C FI90668C (sv) | 1994-03-10 |
Family
ID=22895771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI894015A FI90668C (sv) | 1988-08-29 | 1989-08-28 | Förfarande för beläggning av en stålskiva med aluminium |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US5023113A (sv) |
| EP (1) | EP0356783B1 (sv) |
| JP (1) | JP2516259B2 (sv) |
| KR (1) | KR0152978B1 (sv) |
| CN (1) | CN1020928C (sv) |
| AR (1) | AR245228A1 (sv) |
| AT (1) | ATE100153T1 (sv) |
| BR (1) | BR8904258A (sv) |
| CA (1) | CA1330506C (sv) |
| DE (1) | DE68912243T2 (sv) |
| ES (1) | ES2048795T3 (sv) |
| FI (1) | FI90668C (sv) |
| IN (1) | IN171867B (sv) |
| NO (1) | NO178977C (sv) |
| YU (1) | YU46769B (sv) |
| ZA (1) | ZA896221B (sv) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0328359A (ja) * | 1989-06-23 | 1991-02-06 | Kawasaki Steel Corp | 溶融アルミニウムめっきクロム含有鋼板の製造方法 |
| 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. |
| US5175026A (en) * | 1991-07-16 | 1992-12-29 | Wheeling-Nisshin, Inc. | Method for hot-dip coating chromium-bearing steel |
| KR930019848A (ko) * | 1992-01-04 | 1993-10-19 | 존 알. 코렌 | 내후성 박편 지붕재료 및 제조방법 |
| US5314758A (en) * | 1992-03-27 | 1994-05-24 | The Louis Berkman Company | Hot dip terne coated roofing material |
| US5491036A (en) * | 1992-03-27 | 1996-02-13 | The Louis Berkman Company | Coated strip |
| US6794060B2 (en) | 1992-03-27 | 2004-09-21 | The Louis Berkman Company | Corrosion-resistant coated metal and method for making the same |
| US6080497A (en) * | 1992-03-27 | 2000-06-27 | The Louis Berkman Company | Corrosion-resistant coated copper metal and method for making the same |
| US6861159B2 (en) | 1992-03-27 | 2005-03-01 | The Louis Berkman Company | Corrosion-resistant coated copper and method for making the same |
| US5597656A (en) * | 1993-04-05 | 1997-01-28 | The Louis Berkman Company | Coated metal strip |
| US6652990B2 (en) | 1992-03-27 | 2003-11-25 | The Louis Berkman Company | Corrosion-resistant coated metal and method for making the same |
| US5447754A (en) * | 1994-04-19 | 1995-09-05 | Armco Inc. | Aluminized steel alloys containing chromium and method for producing same |
| FR2775297B1 (fr) * | 1998-02-25 | 2000-04-28 | Lorraine Laminage | Tole dotee d'un revetement d'aluminium resistant a la fissuration |
| JP4014907B2 (ja) * | 2002-03-27 | 2007-11-28 | 日新製鋼株式会社 | 耐食性に優れたステンレス鋼製の自動車用燃料タンクおよび給油管 |
| WO2004024974A1 (ja) * | 2002-09-13 | 2004-03-25 | Jfe Steel Corporation | 溶融めっき金属帯の製造方法および製造装置 |
| JP2004124144A (ja) * | 2002-10-01 | 2004-04-22 | Chugai Ro Co Ltd | 連続溶融金属めっき設備 |
| KR101105986B1 (ko) | 2004-04-29 | 2012-01-18 | 포스코강판 주식회사 | 가스 분압비 조절을 통하여 도금조건을 제어하는용융알루미늄 도금 스테인레스 강판의 제조방법 |
| AT500686B1 (de) * | 2004-06-28 | 2007-03-15 | Ebner Ind Ofenbau | Verfahren zur wärmebehandlung eines metallbandes vor einer metallischen beschichtung |
| DE102004059566B3 (de) | 2004-12-09 | 2006-08-03 | Thyssenkrupp Steel Ag | Verfahren zum Schmelztauchbeschichten eines Bandes aus höherfestem Stahl |
| BRPI0621610A2 (pt) | 2006-04-26 | 2011-12-13 | Thyssenkrupp Steel Ag | método para revestimento por imersão em fundição de um produto de aço plano feito de aço de maior resistência |
| HUE058929T2 (hu) | 2006-10-30 | 2022-09-28 | Arcelormittal | Bevonattal ellátott acélszalagok |
| AT505289B1 (de) * | 2007-07-18 | 2008-12-15 | Ebner Instrieofenbau Ges M B H | Verfahren zur wärmebehandlung eines metallbandes |
| DE102010037254B4 (de) * | 2010-08-31 | 2012-05-24 | Thyssenkrupp Steel Europe Ag | Verfahren zum Schmelztauchbeschichten eines Stahlflachprodukts |
| DE102011056823A1 (de) | 2011-12-21 | 2013-06-27 | Thyssen Krupp Steel Europe AG | Düseneinrichtung für einen Ofen zum Wärmebehandeln eines Stahlflachprodukts und mit einer solchen Düseneinrichtung ausgestatteter Ofen |
| DE102012101018B3 (de) | 2012-02-08 | 2013-03-14 | Thyssenkrupp Nirosta Gmbh | Verfahren zum Schmelztauchbeschichten eines Stahlflachprodukts |
| CN103243286B (zh) * | 2013-04-18 | 2015-10-21 | 辽宁科技大学 | 一种金属工件真空热浸镀铝或铝合金的方法及其装置 |
| JP6052464B2 (ja) * | 2014-02-25 | 2016-12-27 | Ｊｆｅスチール株式会社 | 還元炉の露点制御方法および還元炉 |
| KR20210055508A (ko) | 2019-11-07 | 2021-05-17 | 포스코강판 주식회사 | 용융 알루미늄 도금 페라이트계 스테인리스 강판의 미도금 방지를 위한 Fe-P 선도금 용액 및 선도금 방법 |
| CN113319046A (zh) * | 2021-06-18 | 2021-08-31 | 江苏南鑫特种焊材有限公司 | 焊接钢带清洗装置 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3320085A (en) * | 1965-03-19 | 1967-05-16 | Selas Corp Of America | Galvanizing |
| JPS5233579B2 (sv) * | 1972-12-25 | 1977-08-29 | ||
| JPS50143708A (sv) * | 1974-05-10 | 1975-11-19 | ||
| US3925579A (en) * | 1974-05-24 | 1975-12-09 | Armco Steel Corp | Method of coating low alloy steels |
| US4155235A (en) * | 1977-07-13 | 1979-05-22 | Armco Steel Corporation | Production of heavy pure aluminum coatings on small diameter tubing |
| AU538925B2 (en) * | 1979-04-16 | 1984-09-06 | Ak Steel Corporation | Finishing of hop dip coating of ferrous base metal |
| JPS6043476A (ja) * | 1983-08-17 | 1985-03-08 | Nippon Steel Corp | 連続溶融アルミメツキ法 |
| JPS61147865A (ja) * | 1984-12-18 | 1986-07-05 | Nisshin Steel Co Ltd | 溶融アルミめつき鋼板およびその製造法 |
| JPS62185865A (ja) * | 1986-02-13 | 1987-08-14 | Nippon Steel Corp | 耐食性にすぐれた溶融アルミメツキ鋼板の製造法 |
| US4675214A (en) * | 1986-05-20 | 1987-06-23 | Kilbane Farrell M | Hot dip aluminum coated chromium alloy steel |
-
1988
- 1988-08-29 US US07/237,915 patent/US5023113A/en not_active Expired - Lifetime
-
1989
- 1989-08-04 CA CA000607616A patent/CA1330506C/en not_active Expired - Fee Related
- 1989-08-07 IN IN639/CAL/89A patent/IN171867B/en unknown
- 1989-08-10 AT AT89114828T patent/ATE100153T1/de not_active IP Right Cessation
- 1989-08-10 EP EP89114828A patent/EP0356783B1/en not_active Expired - Lifetime
- 1989-08-10 DE DE68912243T patent/DE68912243T2/de not_active Expired - Fee Related
- 1989-08-10 ES ES89114828T patent/ES2048795T3/es not_active Expired - Lifetime
- 1989-08-15 ZA ZA896221A patent/ZA896221B/xx unknown
- 1989-08-18 YU YU161889A patent/YU46769B/sh unknown
- 1989-08-24 BR BR898904258A patent/BR8904258A/pt not_active IP Right Cessation
- 1989-08-24 JP JP1216179A patent/JP2516259B2/ja not_active Expired - Fee Related
- 1989-08-25 CN CN89106964A patent/CN1020928C/zh not_active Expired - Fee Related
- 1989-08-25 NO NO893424A patent/NO178977C/no unknown
- 1989-08-28 FI FI894015A patent/FI90668C/sv not_active IP Right Cessation
- 1989-08-29 KR KR1019890012310A patent/KR0152978B1/ko not_active Expired - Lifetime
- 1989-08-29 AR AR89314792A patent/AR245228A1/es active
Also Published As
| Publication number | Publication date |
|---|---|
| EP0356783A2 (en) | 1990-03-07 |
| CN1040828A (zh) | 1990-03-28 |
| FI894015L (sv) | 1990-03-01 |
| NO893424D0 (no) | 1989-08-25 |
| NO178977B (no) | 1996-04-01 |
| EP0356783A3 (en) | 1991-02-20 |
| FI894015A0 (sv) | 1989-08-28 |
| JPH02104650A (ja) | 1990-04-17 |
| FI90668C (sv) | 1994-03-10 |
| NO893424L (no) | 1990-03-01 |
| IN171867B (sv) | 1993-01-30 |
| CA1330506C (en) | 1994-07-05 |
| YU46769B (sh) | 1994-05-10 |
| AR245228A1 (es) | 1993-12-30 |
| YU161889A (en) | 1991-02-28 |
| KR0152978B1 (ko) | 1998-11-16 |
| CN1020928C (zh) | 1993-05-26 |
| ZA896221B (en) | 1990-05-30 |
| ES2048795T3 (es) | 1994-04-01 |
| DE68912243D1 (de) | 1994-02-24 |
| DE68912243T2 (de) | 1994-06-30 |
| US5023113A (en) | 1991-06-11 |
| KR900003397A (ko) | 1990-03-26 |
| EP0356783B1 (en) | 1994-01-12 |
| JP2516259B2 (ja) | 1996-07-24 |
| NO178977C (no) | 1996-07-10 |
| ATE100153T1 (de) | 1994-01-15 |
| BR8904258A (pt) | 1990-04-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BB | Publication of examined application | ||
| FG | Patent granted |
Owner name: AK STEEL CORPORATION |
|
| MA | Patent expired |