QBe1.9 1.9铍青铜 - GB /T 5231-2001

Grade	QBe1.9
Other Names
Corresponding Standard	GB /T 5231-2001 Designation and Chemical Composition of Wrought Copper and Copper Alloys
Classification	Copper and Copper Alloys

QBe1.9 Chemical Element Composition Content (%)

Component	Fe	Si	Be	Ni	Ti	Pb	Al	Other Total	More
Minimum Value	-	-	1.85	0.2	0.1	-	-	-	Cu: Balance
Maximum Value	0.15	0.15	2.1	0.4	0.25	0.005	0.15	0.5	Cu: Balance

"Other individual elements or other totals": The chemical composition includes elements not specified in the table. Analysis should only be conducted if these elements are suspected to be present, or if routine analysis suggests that their content may exceed the prescribed limits.

New and Old Grade Replacement List

Corresponding Standard	Grade
GB /T 5231-2001	Grade Other Name
GB /T 5231-2012	Grade China ISC Old Grade

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

QBe1.9 Corresponding Standards(Same grade name, different standards)

1	GB /T 5231-2012
	(QBe1.9) TBe1.9 T17710
2	GB /T 5231-2001
	QBe1.9 1.9铍青铜
3	YS /T 323-2012
	(QBe1.9) TBe1.9 T17710

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