ASTM B570-16

Standard Specification for Copper-Beryllium Alloy (UNS Nos. C17000 and C17200) Forgings and Extrusions

1.1 ,This specification establishes the requirements for copper-beryllium alloy forgings and extrusions produced from the following alloys.

Copper Alloy UNS No.	Nominal % Composition Beryllium
,	,
C17000 C17200	1.7 1.9