Reference number
ISO 431:1981
ISO 431:1981
© ISO 2024
ISO 431:1981
Copper refinery shapes
Edition 2
1981-12
1981-12
Retirada
Resumen
Specifies the requirements of refined copper listed in table 1, in the form of refinery shapes (unwrought products). The refinery shapes included are cathodes, horizontally, vertically and continuously cast wire bars, cakes, billets and ingots. This second edition cancels and replaces the first edition (i.e. ISO 431-1972), the ISO Recommendations R 1428, R 1429, and R 1430, and the International Standard ISO 2311.
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