金属和合金编号

This SAE Recommended Practice describes a unified numbering system (UNS) for metals and alloys which have a "commercial standing" (see 6.1 ), and covers the procedure by which such numbers are assigned.Section 2 describes the system of alphanumeric designations or "numbers" established for each family of metals and alloys.Section 3 outlines the organization established for administering the system.Section 4 describes the procedure for requesting number assignment to metals and alloys for which UNS numbers have not previously been assigned.Cross Reference: ASTMDS56,HS-1086,HS-1086/97,HS1086