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案件記録

METHOD OF MANUFACTURING ALUMINUM ALLOY SHEET FOR CAN LID

発明審査中
1閲覧数
6請求項 · 3 独立
§ Ⅰ

案件概要

発明者

Tomoyuki KUDO; Tomotaro EZAKI; Yusuke SATO; Daichi TAKAI

IPC分類

C22F 1/47C22C 21/8

CPC分類

C22F1/47C22C21/8

One aspect of the present disclosure is a method of manufacturing an aluminum alloy sheet for a can lid. The method includes a process of casting an ingot that includes an Si content of 0.20 mass % or more and 0.47 mass % or less, an Fe content of 0.30 mass % or more and 0.59 mass % or less, a Cu content of 0.11 mass % or more and 0.40 mass % or less, an Mn content of 0.70 mass % or more and 0.98 mass % or less, and an Mg content of 1.3 mass % or more and 3.7 mass % or less; a process of homogenizing treatment on the ingot; and a process of rolling the ingot. In the process of rolling, cold rolling is completed without performing heat treatment after performing hot rolling on the ingot.

原文(中国語)

One aspect of the present disclosure is a method of manufacturing an aluminum alloy sheet for a can lid. The method includes a process of casting an ingot that includes an Si content of 0.20 mass % or more and 0.47 mass % or less, an Fe content of 0.30 mass % or more and 0.59 mass % or less, a Cu content of 0.11 mass % or more and 0.40 mass % or less, an Mn content of 0.70 mass % or more and 0.98 mass % or less, and an Mg content of 1.3 mass % or more and 3.7 mass % or less; a process of homogenizing treatment on the ingot; and a process of rolling the ingot. In the process of rolling, cold rolling is completed without performing heat treatment after performing hot rolling on the ingot.

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