RBCuZn-A C47000 - ASTM A5.8/A5.8M-2019

Grade	RBCuZn-A
USA UNS	C47000
Corresponding Standard	ASTM A5.8/A5.8M-2019 Specifcation for Filler Metals for Brazing and Braze Welding
Classification	Copper and Copper Alloys

RBCuZn-A Chemical Element Composition Content (%)

Component	Cu	Pb ^*	Al ^*	Sn	Other Total	More
Minimum Value	57	-	-	0.25	-	Zn:Rem
Maximum Value	61	0.05	0.01	1	0.5	Zn:Rem

"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.

◎ Includes residual silver.
* The brazing filler metal shall be analyzed for Fe, Mn, Pb, Al, Si. If other elements are detected, their content shall be determined to ensure that their total, together with the starred elements, does not exceed the “Total Other Elements” limit.

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