Code

Related Standard

Chemical Composition

Impurity Amount

Melting Temperature

Major Characteristic

Typical Application

Ag %

Cu %

P %

Solidus℃

Liquidus℃

JAgP-1

CWA:BCu92PAg

0.9- 1.1

REM

6.8- 7.2

≤0.15

643

796

Lower solidus than Phos-copper brazing alloy. Improve wettability, strength and toughness.

Suitable for brazing copper and copper alloy parts.

JAgP-2

CWA:BCu91PAg
AWS:BCuP-6

1.8- 2.2

REM

6.8- 7.2

645

790

Good fluidity and brazing property, improve strength and good plasticity.

Suitable for brazing copper with copper alloy joints in freezer and air conditioner, suitable for brazing medium gap joints.

JAgP-3

CWA:BCu90PAg

2.8- 3.2

REM

6.5- 6.8

645

800

Improve strength, low phosphorus content result to liquidus with high temperature

Suitable for brazing copper and copper alloy parts, and brazing large gap joints.

JAgP-5A

CWA:BCu88PAg
AWS:BCuP-7

4.6- 5.2

REM

6.8- 7.1

645

765

Increase silver content can improve strength

Suitable for brazing shake copper with copper, copper with brass in air conditioner and freezer; brazing copper with copper alloy joints in electric motor and meter. With low phosphorus content suitable for brazing large gap joints; with high phosphorus content suitable for brazing small gap joints.

JAgP-6

CWA:BCu87PAg
AWS:BCuP-4

5.8- 6.2

REM

6.8- 7.5

645

724

Excellent fluidity and brazing property, can substitute for SAgP-15（204）

With high phosphorus content suitable for brazing small gap joints. Suitable for brazing spectacle frame with flat wire and brazing ERW.

With low phosphorus content suitable for brazing large gap joints

JAgP-10

CWA:BCu84PAg

9.0- 11.0

REM

5.5- 6.5

645

790

Good fluidity and toughness.

Suitable for brazing copper with copper alloy in spectacle frame. Can be made into flat wire.

JAgP-15

CWA:BCu80PAg

14.5-15.5

REM

4.8- 5.3

645

800

Good fluidity.

Suitable for brazing copper and copper alloy joints with medium gap in air conditioner, freezer, compressor, electric motor etc.

JAgP-18

AWS:HgHSil-FOS

17.5-18.5

REM

6.2- 6.5

645

680

Eutectic solder, low melting point, good fluidity, poor plasticity.

Suitable for brazing copper with copper alloy joints in electrical appliance and electric motor.

JAgP-20

19.5-20.5

REM

4.5- 5.5

645

740

Low temperature, good fluidity.

Suitable for brazing copper with copper alloy in electric motor and spectacle frame, can be made into kinds of flat wires.

JAgP-25

Russia: Ncp25Ф

24.5-25.5

REM

4.8- 5.3

645

710

Low temperature, good fluidity.

Suitable for brazing copper with copper alloy in electric motor and spectacle frame, can be made into kinds of flat wires.

JAgP-5B

CWA:BCu89PAg
AWS:BCuP-3

4.8- 5.2

REM

5.8- 6.7

645

785

Increase silver content can improve strength

Suitable for brazing copper with copper alloy joints which cannot keep closely mate.