International Organization for Standardization (ISO)
Latest
ISO 1190-1:1982
Scope
The material designations shall be based on the chemical composition limits. All material designations shall have the prefix "ISO". International chemical symbols shall be used for the designation of the base element and the major alloying elements, followed by letters indicating the metal grade or by numbers indicating the nominal alloy content. Cast alloys shall have the prefix G.
ISO 1190-1:1982 history
1982ISO 1190-1:1982 Copper and copper alloys; Code of designation; Part 1 : Designation of materials