KR100766165B1 - 고강도 합금화 용융아연 도금 강판의 제조 방법 및 제조 설비 - Google Patents
고강도 합금화 용융아연 도금 강판의 제조 방법 및 제조 설비 Download PDFInfo
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- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
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- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
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- 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
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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Abstract
Description
Claims (5)
- 0.4 내지 2.0 wt%의 Si 성분을 함유하는 고강도 강판을 연속 용융아연 도금하는 단계를 포함하는 고강도 합금화 용융아연 도금 강판을 제조하는 방법이며, 환원대의 대기를, 1 내지 60wt% 까지의 H2를 포함하고 나머지 N2, H2O, O2, CO2, CO 및 불가피한 불순물로 구성되는 대기로 형성하는 단계와, 상기 대기 중에서, 이산화탄소의 분압과 수소의 분압의 log(PCO2/PH2)를 log(PCO2/PH2)≤-0.5로 제어하고, 물 분압과 수소 분압의 log(PH2O/PH2)를 log(PH20/PH2)≤-0.5로 제어하고, 이산화탄소 분압 PCO2와 물의 분압 PH2O의 총 분압 PT와 수소 분압의 log(PT/PH2)를 -3≤log(PT/PH2)≤-0.5로 제어하는 단계와, 상기 환원대에서의 어닐링을 720℃ 내지 880℃의 페라이트-오스테나이트 이상 온도 영역에서 수행하는 단계와, 도금 배스까지 냉각하고 용융아연 도금을 수행하여 상기 냉연강판의 표면에 용융아연 도금 층을 형성하는 단계와, 상기 용융아연 도금 층이 형성된 강판에 460 내지 550℃에서 합금화 열처리를 수행하는 단계를 포함하는 고강도 합금화 용융아연 도금 강판의 제조방법.
- 제1항에 있어서, 상기 용융아연 도금은 0.07wt% 이상의 배스 내 유효 Al 농도와 나머지 Zn과 불가피한 불순물로 구성된 조성성분의 용융아연 도금 배스 내에서 수행하고, 상기 합금화는450≤T≤410×exp(2×[Al%])여기서, [Al%]: 용융아연 도금 배스 내의 유효 Al 농도(wt%)를 만족하는 온도 T에서 수행하는 것을 특징으로 하는 고강도 합금화 용융아연 도금 강판의 제조방법.
- 제1항 또는 제2항에 있어서,[Al%]≤0.092-0.01×[Si%]2여기서, [Si%] : 강판의 Si 함유량(wt%)을 만족하는 배스 내의 유효 Al 유효농도에서 수행하는 것을 특징으로 하는 밀착성이 뛰어난 고강도 합금화 용융아연 도금 강판의 제조방법.
- 제1항의 고강도 합금화 용융아연 도금 강판의 제조 방법을 실시하기 위해, 용융아연 도금 배스를 배치하고, 강판에 연속적으로 용융아연 도금을 실시하는 용융아연 도금 강판 제조 설비이며,올 레이디언트 튜브 방식의 어닐링 로와,상기 어닐링 로에 CO2로 구성된 가스 또는 CO2를 포함하고, N2, H2O, O2, CO 및 불가피한 불순물로 구성된 가스를 도입하는 장치를 포함하는 것을 특징으로 하는 용융아연 도금 강판 제조설비.
- 제1항의 고강도 합금화 용융아연 도금 강판의 제조 방법을 실시하기 위해, 용융아연 도금 배스를 배치하고, 강판에 연속적으로 용융아연 도금을 실시하는 용융아연 도금 강판 제조 설비이며,올 레이디언트 튜브 방식의 어닐링 로와,상기 어닐링 로 중에서 CO 또는 탄화수소를 연소시키고, CO2로 구성된 가스 또는 CO2를 포함하고, N2, H2O, O2, CO 및 불가피한 불순물로 구성된 가스를 발생시키는 장치를 포함하는 것을 특징으로 하는 용융아연 도금 강판 제조설비.
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JP2003207881A JP4192051B2 (ja) | 2003-08-19 | 2003-08-19 | 高強度合金化溶融亜鉛めっき鋼板の製造方法と製造設備 |
JPJP-P-2003-00207881 | 2003-08-19 |
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KR20060026970A KR20060026970A (ko) | 2006-03-24 |
KR100766165B1 true KR100766165B1 (ko) | 2007-10-10 |
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KR1020067003273A KR100766165B1 (ko) | 2003-08-19 | 2004-08-19 | 고강도 합금화 용융아연 도금 강판의 제조 방법 및 제조 설비 |
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US (1) | US8491734B2 (ko) |
EP (1) | EP1658387B1 (ko) |
JP (1) | JP4192051B2 (ko) |
KR (1) | KR100766165B1 (ko) |
CN (1) | CN100385019C (ko) |
AT (1) | ATE550447T1 (ko) |
BR (1) | BRPI0413708B1 (ko) |
CA (1) | CA2536153C (ko) |
ES (1) | ES2381364T3 (ko) |
PL (1) | PL1658387T3 (ko) |
RU (1) | RU2323266C2 (ko) |
TW (1) | TWI268964B (ko) |
WO (1) | WO2005017214A1 (ko) |
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JP4741376B2 (ja) * | 2005-01-31 | 2011-08-03 | 新日本製鐵株式会社 | 外観が良好な高強度合金化溶融亜鉛めっき鋼板及びその製造方法と製造設備 |
WO2007043273A1 (ja) * | 2005-10-14 | 2007-04-19 | Nippon Steel Corporation | Siを含有する鋼板の連続焼鈍溶融めっき方法及び連続焼鈍溶融めっき装置 |
JP4912684B2 (ja) * | 2006-01-18 | 2012-04-11 | 新日本製鐵株式会社 | 高強度溶融亜鉛めっき鋼板およびその製造装置ならびに高強度合金化溶融亜鉛めっき鋼板の製造方法 |
JP4837459B2 (ja) * | 2006-06-30 | 2011-12-14 | 新日本製鐵株式会社 | 外観が良好な耐食性に優れた高強度溶融亜鉛めっき鋼板及びその製造方法 |
PL1980638T3 (pl) * | 2006-01-30 | 2014-03-31 | Nippon Steel & Sumitomo Metal Corp | Wysokowytrzymała blacha cynkowana ogniowo o doskonałej podatności na formowanie i nadająca się do platerowania, wysokowytrzymała stopowa blacha cynkowana ogniowo oraz procesy i urządzenie do ich wytwarzania |
JP4932363B2 (ja) * | 2006-07-20 | 2012-05-16 | 新日本製鐵株式会社 | 高強度合金化溶融亜鉛めっき鋼板及びその製造方法 |
JP4932376B2 (ja) * | 2006-08-02 | 2012-05-16 | 新日本製鐵株式会社 | めっき性に優れた高強度溶融亜鉛めっき鋼板及びその製造方法 |
DE102006039307B3 (de) * | 2006-08-22 | 2008-02-21 | Thyssenkrupp Steel Ag | Verfahren zum Beschichten eines 6-30 Gew.% Mn enthaltenden warm- oder kaltgewalzten Stahlbands mit einer metallischen Schutzschicht |
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TWI396772B (zh) * | 2009-02-03 | 2013-05-21 | Nippon Steel & Sumitomo Metal Corp | 合金化熔融鍍鋅鋼板及其製造方法 |
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JP4192051B2 (ja) | 2008-12-03 |
BRPI0413708A (pt) | 2006-10-17 |
TW200510567A (en) | 2005-03-16 |
CN1839210A (zh) | 2006-09-27 |
TWI268964B (en) | 2006-12-21 |
WO2005017214A1 (en) | 2005-02-24 |
EP1658387A1 (en) | 2006-05-24 |
CN100385019C (zh) | 2008-04-30 |
BRPI0413708B1 (pt) | 2012-12-11 |
PL1658387T3 (pl) | 2012-08-31 |
RU2323266C2 (ru) | 2008-04-27 |
US8491734B2 (en) | 2013-07-23 |
RU2006108544A (ru) | 2006-07-27 |
CA2536153A1 (en) | 2005-02-24 |
EP1658387B1 (en) | 2012-03-21 |
CA2536153C (en) | 2009-10-06 |
JP2005060743A (ja) | 2005-03-10 |
KR20060026970A (ko) | 2006-03-24 |
US20070051438A1 (en) | 2007-03-08 |
ATE550447T1 (de) | 2012-04-15 |
ES2381364T3 (es) | 2012-05-25 |
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