ISO/TR 9721:1992
Nickel and nickel alloys; rules for material description based on chemical symbols
- Standard No.
- ISO/TR 9721:1992
- Release Date
- 1992
- Published By
- International Organization for Standardization (ISO)
- Status
- Latest
- ISO/TR 9721:1992
- Scope
- 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.
ISO/TR 9721:1992 history
- 1992 ISO/TR 9721:1992 Nickel and nickel alloys; rules for material description based on chemical symbols
