본 발명은, AlMgSi 합금으로 이루어진 압연 잉곳을 주조하고, 압연 잉곳을 균질화 처리하고, 압연 온도에 이른 압연 잉곳을 열간-압연하고 그 후에 선택적으로 최종 두께까지 냉간-압연함으로써, AlMgSi 합금으로 이루어진 스트립을 제조하기 위한 방법에 관한 것이다. AlMgSi 합금으로 이루어진 알루미늄 스트립을 제조함에 있어서, 성형 거동이 매우 양호한 AlMgSi 스트립을 신뢰성 있게 제조할 수 있는 개선된 방법을 제공하는 과제는, 최종 압연 패스로부터의 출구 직후에 열간 스트립의 온도가 130℃를 초과, 바람직하게는 135℃를 초과하고 최대 250℃, 바람직하게는 최대 230℃이고, 이 온도에서 열간 스트립이 권취되는 것으로 해결된다.
The method comprises cast rolling bars (1) from an aluminum-magnesium-silicon (AlMgSi) alloy, where during rolling, the rolling bars are subjected to homogenization, are hot-rolled to a hot-rolling temperature and are optionally cold-rolled to a final thickness. The finished rolled tape is solution-annealed and deterred. The hot-rolled strip has, according to the discharge from the last hot-rolling stitch, a temperature of more than 230[deg] C. The hot-rolled strip is deterred using a circuit board radiator and an emulsion-subjected hot-rolling stitch on a discharge temperature. The method comprises cast rolling bars (1) from an aluminum-magnesium-silicon (AlMgSi) alloy, where during rolling, the rolling bars are subjected to homogenization, are hot-rolled to a hot-rolling temperature and are optionally cold-rolled to a final thickness. The finished rolled tape is solution-annealed and deterred. The hot-rolled strip has, according to the discharge from the last hot-rolling stitch, a temperature of more than 230[deg] C. The hot-rolled strip is deterred using a circuit board radiator and an emulsion-subjected hot-rolling stitch on a discharge temperature. The temperature of the hot-rolled strip: before starting the cooling process is more than 400[deg] C; during the last rolling stitch is more than 250[deg] C; and during the last rolling stitch and before recoiling is 200-230[deg] C. A thickness of the finished hot-rolled strip is 5-8 mm. The finished rolled aluminum strip is subjected to heat treatment, with which the aluminum strip is heated to more than 100[deg] C according to solutionizing and deterring and subsequently rolled up and outsourced with a temperature of more than 85[deg] C.
METHOD FOR PRODUCING ALMGSI ALUMINUM STRIP
ALMGSI 알루미늄 스트립 제조 방법
2015-11-13
Patent
Electronic Resource
Korean
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