ALUMINUM SHEET FOR AUTOMOBILE HAVING REDUCED OR NO SURFACE ROPING AND CAPABLE OF BEING MOLDED AT HIGH LEVEL, AND MANUFACTURING METHOD THEREFOR

To provide a method for enhancing productivity of continuous anneal and solution heat treatment line of an automobile aluminum sheet product high in T4 and burning strength after coating, and having reduced roping, and capable of heat treatment.SOLUTION: There is provided a method including: homogen...

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Main Authors RAJEEV G KAMAT, AUDE DESPOIS, DAVID CUSTERS, ALOK GUPTA
Format Patent
LanguageEnglish
Japanese
Published 10.10.2019
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Abstract To provide a method for enhancing productivity of continuous anneal and solution heat treatment line of an automobile aluminum sheet product high in T4 and burning strength after coating, and having reduced roping, and capable of heat treatment.SOLUTION: There is provided a method including: homogenizing and hot rolling an ingot having a composition of about 0.20 to 1.0 wt.% of Si, 0.11 to 0.40 wt.% of Fe, 0.0 to 0.23 wt.% of Cu, 0.0 to 0.22 wt.% of Mn, 0.50 to 0.83 wt.% of Mg, 0.0 to 0.25 wt.% of Cr, 0.0 to 0.006 wt.% of Ni, 0.0 to 0.15 wt.% of Zn, 0.0 to 0.17 wt.% of Ti, maximum 0.15 wt.% of impurities, and the balance Al to manufacture an intermediate product, cold rolling the hot rolled intermediate product, annealing, cold rolling, and conducting continuously anneal and solution heat treatment process on the sheet.SELECTED DRAWING: Figure 1 【課題】高いT4及び塗装後焼成強度及び減少したローピングを有する熱処理可能な自動車アルミニウムシート製品の連続アニール及び溶体化熱処理ラインの生産性を高める方法を提供する。【解決手段】約0.20〜1.0重量%のSi、0.11〜0.40重量%のFe、0.0〜0.23重量%のCu、0.0〜0.22重量%のMn、0.50〜0.83重量%のMg、0.0〜0.25重量%のCr、0.0〜0.006重量%のNi、0.0〜0.15重量%のZn、0.0〜0.17重量%のTi、最大0.15重量%の不純物、残りはAl、の組成を有するインゴットを均質化して、熱間圧延して中間製品を製造することと、熱間圧延された中間製品を冷間圧延することと、アニールすることと、冷間圧延することと、そのシートを連続的なアニール及び溶体化熱処理プロセスにかけることと、を含む、方法。【選択図】図1
AbstractList To provide a method for enhancing productivity of continuous anneal and solution heat treatment line of an automobile aluminum sheet product high in T4 and burning strength after coating, and having reduced roping, and capable of heat treatment.SOLUTION: There is provided a method including: homogenizing and hot rolling an ingot having a composition of about 0.20 to 1.0 wt.% of Si, 0.11 to 0.40 wt.% of Fe, 0.0 to 0.23 wt.% of Cu, 0.0 to 0.22 wt.% of Mn, 0.50 to 0.83 wt.% of Mg, 0.0 to 0.25 wt.% of Cr, 0.0 to 0.006 wt.% of Ni, 0.0 to 0.15 wt.% of Zn, 0.0 to 0.17 wt.% of Ti, maximum 0.15 wt.% of impurities, and the balance Al to manufacture an intermediate product, cold rolling the hot rolled intermediate product, annealing, cold rolling, and conducting continuously anneal and solution heat treatment process on the sheet.SELECTED DRAWING: Figure 1 【課題】高いT4及び塗装後焼成強度及び減少したローピングを有する熱処理可能な自動車アルミニウムシート製品の連続アニール及び溶体化熱処理ラインの生産性を高める方法を提供する。【解決手段】約0.20〜1.0重量%のSi、0.11〜0.40重量%のFe、0.0〜0.23重量%のCu、0.0〜0.22重量%のMn、0.50〜0.83重量%のMg、0.0〜0.25重量%のCr、0.0〜0.006重量%のNi、0.0〜0.15重量%のZn、0.0〜0.17重量%のTi、最大0.15重量%の不純物、残りはAl、の組成を有するインゴットを均質化して、熱間圧延して中間製品を製造することと、熱間圧延された中間製品を冷間圧延することと、アニールすることと、冷間圧延することと、そのシートを連続的なアニール及び溶体化熱処理プロセスにかけることと、を含む、方法。【選択図】図1
Author DAVID CUSTERS
AUDE DESPOIS
ALOK GUPTA
RAJEEV G KAMAT
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Snippet To provide a method for enhancing productivity of continuous anneal and solution heat treatment line of an automobile aluminum sheet product high in T4 and...
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SubjectTerms ALLOYS
CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
Title ALUMINUM SHEET FOR AUTOMOBILE HAVING REDUCED OR NO SURFACE ROPING AND CAPABLE OF BEING MOLDED AT HIGH LEVEL, AND MANUFACTURING METHOD THEREFOR
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