ISO/TR 9721:1992
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Nickel and nickel alloys Rules for material description based on chemical symbols
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16-07-2021
English, French
12-11-1992
Applies to the description of refined nickel as well as of wrought and cast nickel and nickel alloys. The description for nickel alloys shall consist of the chemical symbols of the base element (Ni) and the alloying elements, followed preferably by whole numbers indicating their amount (the chemical symbols being listed in decreasing order according to the nominal alloy contents). Varieties of an alloy are specified by letter suffixes.
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