National Standard Phosphorus Copper Brazing Filler Metal |
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Standard |
Correlative |
Composition (by mass)/% |
Melting |
Working |
Characteristic & Application |
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DIN |
AWS |
Cu |
P |
Ag |
Other |
Sol. |
Liq. |
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BCu95P |
|
BCuP-1 |
Rem. |
4.8-5.3 |
- |
- |
710 |
925 |
790 |
Brazing Filler metal has good plasticity,big crystallization interval,bad fluidity,suitable for resistance brazing of copper and copper alloy. |
BCu94P |
CP203 |
|
Rem. |
5.9-6.5 |
- |
- |
710 |
890 |
760 |
Braze the joints of copper and brass with larger gap. |
BCu93P |
CP202 |
BCuP-2 |
Rem. |
6.6-7.5 |
- |
- |
710 |
820 |
730 |
Good fluidity,can fill the joint with small space,widely used for brazing the copper and brass parts in refrigeration,electromechanical and instrument etc.industries |
BCu92P |
CP201 |
|
Rem. |
7.5-8.1 |
- |
- |
710 |
770 |
720 |
Low melting point,good fluidity,brazing filler metal is more brittle,braze the copper and brass parts with good resistance to impact load. |