Cu 681 - ISO 17672-2024

Cu 681 Chemical Element Composition Content (%)

Component	Fe	Si	Mn	Cu	As ^①	Pb ^①	Al ^①	Sn	Bi ^①	Sb ^①	Cd ^①	More
Minimum Value	0.2	0.04	0.01	56	-	-	-	0.8	-	-	-	Zn:Rem
Maximum Value	1.2	0.15	0.5	60	0.01	0.025	0.01	1.1	0.01	0.01	0.01	Zn:Rem

Approximate Comparison Table Copper and copper alloy brazing solder

United States	International Organization for Standardization
AWS	ISO
RBCuZn-C	Cu 681 B-Cu58ZnSn(Fe)(Mn)(Si)-866/888

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!