KR100586437B1 - 내식성이 우수한 Zn-Al-Mg-Si 합금 도금 강재 및 그 제조 방법 - Google Patents
내식성이 우수한 Zn-Al-Mg-Si 합금 도금 강재 및 그 제조 방법 Download PDFInfo
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Abstract
Description
Claims (10)
- 질량%로,Al: 45% 이상 68% 이하,Mg: 3% 이상 10% 미만,Si: 3% 이상 10% 미만, 및In: 0.01∼1.0%, Sn: 0.1∼10.0%, Ca: 0.01∼0.5%, Be: 0.01∼0.2%, Ti: 0.01∼0.2%, Cu: 0.1∼l.0%, Ni: 0.01∼0.2%, Co: 0.01∼0.3%, Cr: 0.01∼0.2%, Mn: 0.01∼0.5%, Fe: 0.01∼3.0%, Sr: 0.01∼0.5%의 1종 또는 2종 이상을 함유하고,나머지 부분이 Zn 및 불가피한 불순물로 이루어지고, 또한, Al/Zn: 0.89∼2.75를 만족하고, 또한, 도금층중에 괴상 Mg2Si상을 포함하는 것을 특징으로 하는 내식성이 우수한 Zn-Al-Mg-Si 합금 도금 강재.
- 질량%로,Al: 45% 이상 70% 이하,Mg: l% 이상 5% 미만,Si: 0.5% 이상 3% 미만, 및In: 0.01∼1.0%, Sn: 0.1∼10.0%, Ca: 0.01∼0.5%, Be: 0.01∼0.2%, Ti: 0.01∼0.2%, Cu: 0.1∼l.0%, Ni: 0.01∼0.2%, Co: 0.01∼0.3%, Cr: 0.01∼0.2%, Mn: 0.01∼0.5%, Fe: 0.01∼3.0%, Sr: 0.01∼0.5%의 1종 또는 2종 이상을 함유하고,나머지 부분이 Zn 및 불가피한 불순물로 이루어지고, 또한, Al/Zn: 0.89∼2.75를 만족하며, 또한, 도금층중에 비늘 조각상 Mg2Si상을 포함하는 것을 특징으로 하는 내식성이 우수한 Zn-Al-Mg-Si 합금 도금 강재.
- 삭제
- 제 1항에 기재된 괴상 Mg2Si상은, 도금면에 대하여 5°의 단면 경사 연마로 관찰한 때의 장경 평균 입경이 3∼50μm이고, 장경이 100μm을 넘는 것의 면적율이 괴상 Mg2Si상 중에 10% 이하이고, 단경의 장경에 대한 비율이 0.4 이상임을 특징으로 하는 내식성이 우수한 Zn-Al-Mg-Si 합금 도금 강재.
- 제 2항에 기재된 비늘 조각상 Mg2Si상은, 도금면에 대하여 5°의 단면 경사 연마로 관찰한 때의 장경의 평균 입경이 3∼50μm이고, 단경의 장경에 대한 비율이 0.4 미만임을 특징으로 하는 내식성이 우수한 Zn-Al-Mg-Si 합금 도금 강재.
- 제 1항에 있어서,도금층중에서의 괴상과 비늘 조각상 Mg2Si상의 합계 함유율이 도금면에 대하여 5°의 단면 경사 연마로 관찰한 때의 면적율로 10∼30%이고, Mg2Si상 전체에 대한 괴상 Mg2Si의 면적율이 1% 이상임을 특징으로 하는 내식성이 우수한 Zn-Al-Mg-Si 합금 도금 강재.
- 제 2항에 있어서,도금층중에서의 비늘 조각상 Mg2Si상의 함유율이 도금면에 대하여 5°의 단면 경사 연마로 관찰한 때의 면적율로 3% 이상임을 특징으로 하는 내식성이 우수한 Zn-Al-Mg-Si 합금 도금 강재.
- 제 1항 또는 제 2항에 있어서,Ni, Co, Zn, Sn, Fe, Cu의 1종 이상을 함유하는 프리 도금층, 및, Ni, Co, Zn, Sn, Fe, Cu의 2종 이상으로 이루어지는 금속간 화합물상의, 일방 또는 양방을, 도금층과 강재의 계면에 가지는 것을 특징으로 하는 내식성이 우수한 Zn-Al-Mg-Si 합금 도금 강재.
- 제 1항 또는 제 2항에 있어서,편면당 도금 부착량이 20∼130g/m2 임을 특징으로 하는 내식성이 우수한 Zn-Al-Mg-Si 합금 도금 강재.
- 제 1항 또는 제 2항에 기재된 Zn-Al-Mg-Si 합금 도금 강재를 제조하는 방법에 있어서, 도금욕의 욕온을 500∼650℃로 하고, 도금 후의 냉각 속도를 10℃/초 이상으로 제어하는 것을 특징으로 하는 내식성이 우수한 Zn-Al-Mg-Si 합금 도금 강재의 제조 방법.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22502399 | 1999-08-09 | ||
JPJP-P-1999-00225023 | 1999-08-09 | ||
JP2000218318A JP4136286B2 (ja) | 1999-08-09 | 2000-07-19 | 耐食性に優れたZn−Al−Mg−Si合金めっき鋼材およびその製造方法 |
JPJP-P-2000-00218318 | 2000-07-19 |
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Publication Number | Publication Date |
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KR20020040771A KR20020040771A (ko) | 2002-05-30 |
KR100586437B1 true KR100586437B1 (ko) | 2006-06-08 |
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KR1020027001835A KR100586437B1 (ko) | 1999-08-09 | 2000-08-09 | 내식성이 우수한 Zn-Al-Mg-Si 합금 도금 강재 및 그 제조 방법 |
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US (1) | US6635359B1 (ko) |
EP (2) | EP2108712B1 (ko) |
JP (1) | JP4136286B2 (ko) |
KR (1) | KR100586437B1 (ko) |
CN (1) | CN100334250C (ko) |
AT (1) | ATE508212T1 (ko) |
AU (1) | AU763740B2 (ko) |
DE (1) | DE60045924D1 (ko) |
ES (1) | ES2483969T3 (ko) |
WO (1) | WO2001011100A1 (ko) |
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- 2000-08-09 KR KR1020027001835A patent/KR100586437B1/ko active IP Right Grant
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KR101807927B1 (ko) * | 2011-08-24 | 2017-12-11 | 신닛테츠스미킨 카부시키카이샤 | 표면 처리 용융 도금 강재 |
KR101807926B1 (ko) * | 2011-08-24 | 2017-12-11 | 신닛테츠스미킨 카부시키카이샤 | 도장 도금 강재 |
KR20170005510A (ko) * | 2012-08-01 | 2017-01-13 | 블루스코프 스틸 리미티드 | 금속 코팅된 강철 스트립 |
KR20190100441A (ko) * | 2012-08-01 | 2019-08-28 | 블루스코프 스틸 리미티드 | 금속 코팅된 강철 스트립 |
KR102014204B1 (ko) * | 2012-08-01 | 2019-10-23 | 블루스코프 스틸 리미티드 | 금속 코팅된 강철 스트립 |
KR102212395B1 (ko) * | 2012-08-01 | 2021-02-05 | 블루스코프 스틸 리미티드 | 금속 코팅된 강철 스트립 |
KR20160057418A (ko) * | 2013-09-13 | 2016-05-23 | 티센크루프 스틸 유럽 악티엔게젤샤프트 | 부식에 대한 보호를 제공하는 금속성 코팅이 제공된 강 부품의 제조 방법, 및 강 부품 |
KR102301116B1 (ko) * | 2013-09-13 | 2021-09-10 | 티센크루프 스틸 유럽 악티엔게젤샤프트 | 부식에 대한 보호를 제공하는 금속성 코팅이 제공된 강 부품의 제조 방법, 및 강 부품 |
DE112016006868T5 (de) | 2016-05-17 | 2019-03-07 | Dongkuk Steel Mill Co., Ltd. | Vorrichtung zum Bilden einer Stickstoffwolke zur Herstellung eines schmelzbadbeschichteten Stahlblechs mit hervorragender Oberflächenqualität und Verfahren zur Herstellung eines mit Zink-Aluminium schmelztauchbeschichteten Stahlblechs unter Verwendung desselben |
DE112016006868B4 (de) | 2016-05-17 | 2022-10-20 | Dongkuk Steel Mill Co., Ltd. | Vorrichtung zum Bilden einer Stickstoffwolke zur Herstellung eines schmelztauchbeschichteten Stahlblechs mit hervorragender Oberflächenqualität und Verfahren zur Herstellung eines mit Zink-Aluminium schmelztauchbeschichteten Stahlblechs unter Verwendung desselben |
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US6635359B1 (en) | 2003-10-21 |
CN100334250C (zh) | 2007-08-29 |
WO2001011100A1 (fr) | 2001-02-15 |
ATE508212T1 (de) | 2011-05-15 |
AU763740B2 (en) | 2003-07-31 |
EP1225246B1 (en) | 2011-05-04 |
EP2108712A2 (en) | 2009-10-14 |
AU6473000A (en) | 2001-03-05 |
EP2108712B1 (en) | 2014-07-02 |
EP2108712A3 (en) | 2010-12-29 |
ES2483969T3 (es) | 2014-08-08 |
DE60045924D1 (de) | 2011-06-16 |
CN1369020A (zh) | 2002-09-11 |
JP4136286B2 (ja) | 2008-08-20 |
EP1225246A1 (en) | 2002-07-24 |
JP2001115247A (ja) | 2001-04-24 |
KR20020040771A (ko) | 2002-05-30 |
EP1225246A4 (en) | 2005-02-09 |
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