C17200 Alloy 25 - ASTM B196/196M-2018

USA UNS	C17200
Old Grade
Corresponding Standard	ASTM B196/196M-2018 Standard Specification for Copper-Beryllium Alloy Rod and Bar
Classification	Other metal materials

Chemical Element Composition Content (%)

Component	Si	Be	Al	More
Minimum Value	-	1.8	-	Cu:余量；Ni+Co≥0.2；Ni+Co+Fe≤0.6
Maximum Value	0.2	2	0.2	Cu:余量；Ni+Co≥0.2；Ni+Co+Fe≤0.6

1 Approximate Comparison Table Processing of High Copper Alloys

China		Japan	United States		International Organization for Standardization		Russia
GB	ISC	JIS	ASTM	UNS	ISO	Numerical Grade	GOST
TBe1.9 QBe1.9	T17710	C1720 C17200	97.5Cu-1.9Be-.3Co-.2Ti	C17200	CuBe1.9CoTi	C17200	БрБНТ1.9

2 Approximate Comparison Table Processing of High Copper Alloys

China		Japan	United States		International Organization for Standardization		Germany		European Standard		Russia
GB	ISC	JIS	ASTM	UNS	ISO	Numerical Grade	DIN EN/DIN	W-Nr.	EN	Numerical Grade	GOST
TBe2 QBe2	T17720	C1720 C17200	97.8Cu-1.9Be-.3Co	C17200	CuBe2	C17200	CuBe2	C17200 2.1247	CuBe2	CW101C	БрБН2

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