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1.1 This specification establishes requirements for copper-alloy die castings. The alloys are designated as follows:

Copper Alloy Former Designation Former Designation UNS No. 2 ASTM Standard alloys C85700 ... C85800 Z30A C86500 ... C87800 ZS144A Special alloys C99700 ... C99750 ...

1.2 The values stated in inch-pound units are standard. SI values in parentheses are for information only.