〔90〕铍铜合金线
(Copper Beryllium Alloy Wires)
标准代号	规格号码	记号	化学成分（%)Chemical composition
			Cu	Be	Ni+Co	Ni+Co+Fe	Al	Si	Cu+Be+Fe+Ni+Co
CNS	11188	C1720W	-	1.8-2.0	≧0.2	≦0.6	≦0.2	≦0.2	≧99.5
JIS	H3270	C1720W	-	1.8-2.0	≧0.2	≦0.6	-	-	≧99.5
ASTM	B197	C17200	其余	1.8-2.0	≧0.2	≦0.6	≦0.2	≦0.2	-
DIN	17666	CuBe2	其余	1.8-2.1	≦0.2	≦0.6	-	-	-