YS/T 1879-2026High purity aluminium and aluminium alloy round ingots used for semiconductor (English PDF)

YS/T 1879-2026 is the English-translated version of 半导体用高纯铝及铝合金圆铸锭.

YS/T 1879-2026 specifies the product classification, technical requirements, test methods, product qualification, process control, inspection rules, marking, packaging, transport, storage and accompanying documents, and the contents of the order form, for high purity aluminium and aluminium alloy round ingots. It applies to high purity aluminium and aluminium alloy round ingots used in the semiconductor industry.

Aluminium producers and casters, semiconductor equipment and material makers that process the ingots, test laboratories and buyers can use it to specify the product, qualify a supplier and check deliveries. It is a voluntary standard (code with /T). It was approved and issued by the Ministry of Industry and Information Technology on 15 July 2026 and takes effect on 1 February 2027. The translated edition lets foreign semiconductor supply chain buyers read the product qualification and process control provisions that apply to Chinese suppliers.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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