Pho-copper-silver alloys have good wettability, high strength and toughness of toughness of brazing seam and lower melting point. The heating speed should be as quick as possible while brazing.The joint is to be bright grey and will reture to the original color of bronze into 10% sulphuric acid.
|
Product Number
|
Related Standard
|
Chemical Composition
|
Melting Range(℃)
|
Application
|
|||
|
Ag
|
P
|
Cu
|
Solidus
|
Liquidus
|
|||
|
GWY-2B
|
BCu91PAg
|
1.8-2.2
|
6.8-7.2
|
Bal.
|
645
|
788
|
For brazing copper parts in airconditioners, freezers, refrigerators and motors. The brazing performance is excellent.
|
|
BCuP-6
|
1.8-2.2
|
6.8-7.2
|
Bal.
|
645
|
788
|
||
|
L-Ag2P
|
2.0
|
6.2
|
Bal.
|
645
|
825
|
||
|
GWY-5B
|
BCu89PAg
|
4.8-5.2
|
5.8-6.7
|
Bal.
|
645
|
815
|
|
|
BCuP-3
|
4.8-5.2
|
5.8-6.2
|
Bal.
|
645
|
815
|
||
|
BCuP-7
|
4.8-5.2
|
6.5-7.0
|
Bal.
|
645
|
785
|
||
|
L-Ag5P
|
5.0
|
6.0
|
Bal.
|
645
|
815
|
||
|
GWY-6B
|
BCu87PAg
|
5.8-6.2
|
7.0-7.5
|
Bal.
|
645
|
724
|
|
|
BCuP-4
|
5.8-6.2
|
7.0-7.5
|
Bal.
|
645
|
724
|
||
|
GWY-15B
|
BCu80AgP
|
14.5-15.5
|
4.8-5.2
|
Bal.
|
645
|
800
|
|
|
BCuP-5
|
14.5-15.5
|
4.8-5.2
|
Bal.
|
645
|
800
|
||
|
L-Ag15P
|
15.0
|
5.0
|
Bal.
|
645
|
800
|
||
|
GWY-18B
|
BCu75PAg
|
17.5-18.5
|
6.0-6.5
|
Bal.
|
645
|
680
|
For brazing copper and copper alloys in motors, transformation equipment and spectacles.
|
|
18M
|
18.0
|
6.3
|
Bal.
|
645
|
680
|
||
|
L-Ag18P
|
18.0
|
7.05
|
Bal.
|
645
|
645
|
||