Copper brazing filler metal is used to braze copper alloy to copper alloy, copper alloy to steel, steel to steel. Two main kinds of copper alloy brazing filler metal, copper-zinc alloy and copper-phosphorous alloy, there are also copper-aluminum, copper-tin alloys. It can be crafted to many forms, such as, rod, wire, ring, sheet, powder, paste, etc. Copper alloy brazing filler metal, especially in the industries of refrigerator, glasses, tools, etc.
Copper alloy brazing filler metal is usually used together with copper brazing flux.
Trade Mark |
Component |
Melting Temp |
Standard AWS A5.8 |
||||||
Ag |
Cu |
Zn |
P |
Si |
Others |
Solidus |
Liquidus |
||
BCu93P |
|
93 |
|
7 |
|
<1 |
710 |
800 |
B-Cu-P-2 |
BCu86P |
|
86 |
|
7 |
7 |
<1 |
650 |
700 |
BCuP-9 |
BCu91AgP |
|
91 |
|
7 |
|
<1 |
643 |
788 |
BCuP-6 |
BCu88AgP |
|
88 |
|
7 |
|
<1 |
650 |
780 |
BCuP-7 |
BCu89AgP |
|
89 |
|
6 |
|
<1 |
650 |
810 |
BCuP-3 |
BCu87AgP |
|
87.5 |
|
6.5 |
|
<1 |
650 |
740 |
BCuP-4 |
BCu84AgP |
|
84 |
|
6 |
|
<1 |
650 |
750 |
|
BCu80AgP |
|
80 |
|
5 |
|
<1 |
650 |
800 |
BCuP-5 |
Trade Mark |
Component |
Melting Temp |
Standard AWS A5.8 |
||||||
Cu |
Zn |
Sn |
Mn |
Si |
Others |
Solidus |
Liquidus |
||
B-Cu |
99.9 |
|
|
|
|
<1 |
1083 |
|
BCu-1 |
B-Cu60ZnSn |
60 |
Remain |
1 |
|
0.3 |
<1 |
890 |
905 |
BcuZn-A |
BCu58ZnMn |
58 |
|
|
|
|
<1 |
940 |
960 |
|
B-Cu47ZnMnNi |
47 |
|
|
|
|
<1 |
855 |
865 |
|