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Phos-Copper-Sliver Brazing Alloy

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LOW-Silver Brazing Alloy Welding Rods & Rings
 
(1)low-silver solder has characteristic of well wettability,good intensity and toughness, low melting point ,it can be substitute of high-silver brazing alloy, speed of heat as fast as possible when welding .welding joint maybe bright-grey color ,it can renew color into copper when put in 10% vitriol.
(2)Application : For brazing copper and copper alloys in motors and spectacles
Item
Composition(%)
Impurities Total
Melting Range(oC)
Principal areas of application
Applicablescope
Ag
Cu
P
Sn
 
Solidus
Liquidus
 
 
AgP-1
0.9-1.1
Balance
6.8-7.2
 
��0.15
643
796
Solidus better than Cu-p low brazing wetting property to improve strength, toughness is increased,
Copper to copper alloy parts
AgP-2A
1.8-2.2
Balance
7.2-7.4
 
645
763
Low melting point, good fluidity,
for small space joint
AgP-2
1.8-2.2
Balance
6.8-7.2
 
645
790
Good fluidity, and plastic character,
The brazing performance is excellent
For brazing copper parts in air-conditioners, freezers, refrigerators and motor
AgP-2B
1.8-2.2
Balance
6.6-6.8
 
645
816
Higher melting point, good fluidity
Copper to copper alloy parts
AgP-2Sn
1.8-2.2
Balance
7.1-7.2
6.8-7.1
650
690
Low melting point, good fluidity
Suitable for use air-conditioners, refrigerators, sanitary ware, copper to copper brazing alloy joints, for small space joint
AgP-3
2.8-3.2
Balance
6.5-6.8
 
645
800
High Strength low P due to higher liquidus temperature
For Copper in copper brazing alloy parts, for large gap joints
AgP-5
4.6-5.2
Balance
6.8-7.1
 
643
765
Content of Ag is gradual increase Higher strength
For brazing copper parts in air-conditioners ,freezers, refrigerators and motors, low-P is suitable for joint large gap higher P for small gap joints
AgP-5A
4.8-5.2
Balance
5.8-6.7
 
645
785
AgP-5B
4.5-5.5
Balance
5.5-5.7
 
645
835
AgP-6
5.8-6.2
Balance
6.8-7.5
 
645
724
Better fluidity,
, The brazing performance is excellent SAgP-15 (materials 204)
 
low-P is suitable for joint large gap, For brazing glasses to made flat, for the flow resistance, higher P for small gap joints
 
AgP-6A
5.8-6.2
Balance
6.5-6.7
 
645
714
AgP-6B
5.8-6.2
Balance
6.1-6.3
 
645
791
AgP-10
9-11
Balance
5.5-6.5
 
645
790
Good fluidity,
, The brazing performance is excellent
Make flat shape For brazing copper parts in glasses
AgP-15A
14.5-15.5
Balance
7.1-7.4
 
645
652
Good fluidity,
, The brazing performance is excellent
suitable for small gap joints ,Motor copper parts to copper
AgP-15
14.5-15.5
Balance
4.8-5.3
 
645
800, ,
Good fluidity
For brazing copper parts in air-conditioners ,freezers, refrigerators, compressor and motor
AgP-18
17.5-18.5
Balance
6.2-6.5
 
645
645
Eutectic solder Low melting point, good fluidity Bad plastic character
For brazing copper parts in electrical equipment and motor
 
AgP-20
19.5-20.5
Balance
4.5-5.5
 
645
740
Low melting point, good fluidity
For brazing copper parts in electrical equipment, and motor to make kinds of flat shape
AgP-25
24.5-25.5
Balance
4.8-5.3
 
645
710
Low melting point, good fluidity
For brazing copper parts in motor and glasses to make kinds of flat shape

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