KR100860172B1 - 합금화 용융아연도금강판의 제조방법 - Google Patents
합금화 용융아연도금강판의 제조방법 Download PDFInfo
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 64
- 239000010959 steel Substances 0.000 title claims abstract description 64
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims description 17
- 238000005275 alloying Methods 0.000 claims abstract description 123
- 238000011282 treatment Methods 0.000 claims abstract description 52
- 229910001335 Galvanized steel Inorganic materials 0.000 claims abstract description 40
- 239000008397 galvanized steel Substances 0.000 claims abstract description 40
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 16
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 14
- 239000012535 impurity Substances 0.000 claims abstract description 6
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 5
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 5
- 238000007747 plating Methods 0.000 claims description 54
- 229910052750 molybdenum Inorganic materials 0.000 claims description 9
- 229910052804 chromium Inorganic materials 0.000 claims description 8
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- 229910052758 niobium Inorganic materials 0.000 claims description 8
- 229910052720 vanadium Inorganic materials 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 229910052796 boron Inorganic materials 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 238000012545 processing Methods 0.000 abstract description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract description 2
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 11
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- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
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- 229910052716 thallium Inorganic materials 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000794 TRIP steel Inorganic materials 0.000 description 1
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- C22C—ALLOYS
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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
- C23C2/26—After-treatment
- C23C2/261—After-treatment in a gas atmosphere, e.g. inert or reducing atmosphere
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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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Abstract
Description
Claims (4)
- 질량%로, C: 0.05∼0.30%,Si: 0.01∼2.0%,Mn: O.08∼3.0%,P: 0.003∼0.1%,S: 0.07% 이하,Al: 0.01∼2.5%,N: 0.007% 이하, 나머지가 Fe 및 불가피 불순물을 포함하는 용융아연도금강판을 준비하는 공정;상기 용융아연도금강판을 합금화 처리하는 공정;합금화 처리의 처리시간과 처리온도를, Si 및 Al의 함유량에 따라, 하기의 식에 근거하여 제어하고, 합금화 처리를 하지 않은 경우의 인장강도와 합금화 처리를 한 경우의 인장강도의 차이를 2kgf/mm2 이내로, 합금화 처리를 하지 않은 경우의 전체 신장과 합금화 처리를 한 경우의 전체 신장의 차이를 2% 이내로 제어하는 공정;Si+Al≥1.5×10-7×t0.75×(T-465)3+0.117t는 강판상의 도금층을 합금화할 때에 465℃ 이상으로 유지되는 전체시간t(초)T는 강판상의 도금층을 합금화할 때에 465℃ 이상으로 유지되는 전체시간t(초)에서의 평균온도 T(℃)를 갖는 합금화 용융아연도금강판의 제조방법.
- 질량%로, C: 0.05∼0.30%,Si: 0.01∼2.0%,Mn: 0.08∼3.0%,P: 0.003∼0.1%, S: 0.07% 이하,Al: O.01∼2.5%,N: 0.007% 이하, 또한, Cr: 0.01∼2.0%,V: 0.005∼2.0%,Mo: 0.005∼2.0%로 이루어지는 군에서 선택된 적어도 하나, 나머지가 Fe 및 불가피 불순물을 포함하는 용융아연도금강판을 준비하는 공정;상기 용융아연도금강판을 합금화 처리하는 공정;합금화 처리의 처리시간과 처리온도를, Si, Al, Cr, Mo 및 V의 함유량에 따라, 하기의 식에 근거하여 제어하고, 합금화 처리를 하지 않은 경우의 인장강도와 합금화 처리를 한 경우의 인장강도의 차이를 2kgf/mm2 이내로, 합금화 처리를 하지 않은 경우의 전체 신장과 합금화 처리를 한 경우의 전체 신장의 차이를 2% 이내로 제어하는 공정;Si+Al+5×Cr+15×Mo+15×V≥1.5×10-7×t0.75×(T-465)3+0.117t는 강판상의 도금층을 합금화할 때에 465℃ 이상으로 유지되는 전체시간t(초)T는 강판상의 도금층을 합금화할 때에 465℃ 이상으로 유지되는 전체시간t(초)에서의 평균온도 T(℃)를 갖는 것을 특징으로 하는 합금화 용융아연도금강판의 제조방법.
- 제1항에 있어서,용융아연도금강판이 질량%로, Ti: O.01∼0.1%,Nb: 0.01∼0.1%,B: 0.0003∼0.0050%, Ni: 0.005∼2.0%, Cu: 0.005∼2.0%로 이루어지는 군에서 선택된 적어도 하나를 더 함유하는 것을 특징으로 하는 합금화 용융아연도금강판의 제조방법.
- 제2항에 있어서,용융아연도금강판이 질량%로, Ti: 0.01∼0.1%, Nb: 0.01∼0.1%, B: 0.0003∼0.0050%,Ni: 0.005∼2.0%,Cu: 0.005∼2.0%로 이루어지는 군에서 선택된 적어도 하나를 더 함유하는 것을 특징으로 하는 합금화 용융아연도금강판의 제조방법.
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US (1) | US20070122554A1 (ko) |
EP (1) | EP1696048A4 (ko) |
KR (1) | KR100860172B1 (ko) |
CN (1) | CN100545295C (ko) |
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EP2516151B1 (en) * | 2009-12-21 | 2017-12-13 | Tata Steel IJmuiden BV | High strength hot dip galvanised steel strip |
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CN105039844A (zh) * | 2015-08-17 | 2015-11-11 | 攀钢集团攀枝花钢铁研究院有限公司 | 含钒tam钢及其制造方法 |
CN107747033A (zh) * | 2017-10-23 | 2018-03-02 | 攀钢集团攀枝花钢铁研究院有限公司 | 优良成形的烘烤硬化热镀锌钢板及其制备方法 |
CN107739982A (zh) * | 2017-10-23 | 2018-02-27 | 攀钢集团攀枝花钢铁研究院有限公司 | 烘烤硬化热镀锌钢板及其制备方法 |
CN108823507B (zh) * | 2018-06-28 | 2020-12-11 | 武汉钢铁有限公司 | 一种抗拉强度800MPa级热镀锌高强钢及其减量化生产方法 |
CN109763085B (zh) * | 2019-02-11 | 2021-07-09 | 宝钢湛江钢铁有限公司 | 一种热镀锌线合金化段温度控制的方法 |
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JP2001303178A (ja) * | 2000-04-20 | 2001-10-31 | Sumitomo Metal Ind Ltd | 成形性に優れた高張力溶融亜鉛系めっき鋼板およびその製造方法 |
JP2002047547A (ja) * | 2000-07-27 | 2002-02-15 | Kawasaki Steel Corp | 溶融めっき高張力鋼板の製造方法 |
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US5897967A (en) * | 1996-08-01 | 1999-04-27 | Sumitomo Metal Industries, Ltd. | Galvannealed steel sheet and manufacturing method thereof |
WO2000050658A1 (fr) * | 1999-02-22 | 2000-08-31 | Nippon Steel Corporation | Plaque d'acier galvanise a haute resistance, d'excellent comportement pour l'adhesion des placages de metal et la mise en forme sous presse, et plaque d'acier allie galvanise a haute resistance, et procede de production correspondant |
CA2387322C (en) * | 2001-06-06 | 2008-09-30 | Kawasaki Steel Corporation | High-ductility steel sheet excellent in press formability and strain age hardenability, and method for manufacturing the same |
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- 2004-12-16 CN CNB2004800358317A patent/CN100545295C/zh not_active Expired - Fee Related
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- 2004-12-16 WO PCT/JP2004/019280 patent/WO2005061750A1/ja not_active Application Discontinuation
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JP2001303178A (ja) * | 2000-04-20 | 2001-10-31 | Sumitomo Metal Ind Ltd | 成形性に優れた高張力溶融亜鉛系めっき鋼板およびその製造方法 |
JP2002047547A (ja) * | 2000-07-27 | 2002-02-15 | Kawasaki Steel Corp | 溶融めっき高張力鋼板の製造方法 |
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CA2542828A1 (en) | 2005-07-07 |
KR20060101768A (ko) | 2006-09-26 |
CN1890397A (zh) | 2007-01-03 |
US20070122554A1 (en) | 2007-05-31 |
EP1696048A4 (en) | 2009-03-18 |
WO2005061750A1 (ja) | 2005-07-07 |
CN100545295C (zh) | 2009-09-30 |
CA2542828C (en) | 2009-07-07 |
EP1696048A1 (en) | 2006-08-30 |
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