铝的标准

氧化铝国家标准GB/T 24487-2022
https://std.samr.gov.cn/gb/search/gbDetailed?id=DAB8B400467E896BE05397BE0A0A0B32

重熔用铝锭国家标准GB/T 1196-2017
https://std.samr.gov.cn/gb/search/gbDetailed?id=71F772D81AE4D3A7E05397BE0A0AB82A