YB/T 6540-2026Steel strip for traction battery enclosure (English PDF)

YB/T 6540-2026 is the English-translated version of 动力蓄电池外壳用钢带.

The document sets out the classification and designation, grade designation method, ordering information, manufacturing process, technical requirements, test methods, inspection rules, packaging, marking and quality certificate for steel strip used for traction battery enclosures. It applies to cold-rolled steel strip and nickel-plated steel strip with a thickness from 0.30 mm to 0.80 mm, mainly used for the housings of automotive traction battery cells. The strip is the thin steel sheet formed into the outer casing of a battery cell, and the document covers how it is described, made, tested and delivered.

Strip producers, battery cell and housing manufacturers, automotive suppliers and testing laboratories are the typical users. It is a voluntary standard (code with /T), issued by the Ministry of Industry and Information Technology on 15 July 2026 and effective from 1 February 2027. It is a new standard.

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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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