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.

General information

  • Status :  Published
    Publication date : 1981-12
  • Edition : 2
    Number of pages : 7
  • :
    ISO/TC 26
    Copper and copper alloys
  • 77.150.30
    Copper products

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Format Language
  • CHF58

Life cycle

A standard is reviewed every 5 years

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