Alloy

Corresponding

Alloy

Chemical Composition

Melting Rang

Features

Typical Application

P%

Sn%

Cu%

Solidus°C

Liquidus°C

JcuP*1

China: Bcu*2P

Japan: TC***0D

7.**8.5

-

balance

**0

**0

Close to eutectic

 crystal composition,

Low melting point, easy

Flow, can flow into a

Small cleatance of

Brazing seam.

Use for copper allou parts, refrigration

Compressor,not suitable for brazing

Attacking shocking bend parts.

JcuP*2

China: BCu*3P

USA: BCuP*2

Japan: TC***0A

6.**7.5

-

balance

**1

**0

Contain a little less

Phosphorus, has better

Plastic nature, a little

Higher melting point. 

Use for copper and copper alloy

Parts, suitable for air Conditioning,

refrigerator, evaporator, heat

Exchanger and water heater ect.

JcuP*3

Zhong: **2

6.**6.8

-

balance

**0

**0

Contain less

Phosphorus, good

Platic nature, a little

Higher melting point.

Can make into many kinds of brazing

Ring, wires, brazing copper and

Copper alloy parts, brazing clearance

Tie-in

JcuP*3Sn

China: Bcu*8Pag

German: Degussa*6

6.**7.5

6.**7.5

balance

**0

**0

Good spread ability

Good caulding ablity

Use for many kinds of copper and

copper alloy

JcuP*5Sn

China: Bcu*6SnP

4.**5.8

***7

balance

**0

**0

Low melting point,

Easy flow

Use for the water heater of copper

Or brass, radiant heating, ect.

JcuP*6Sn

Zhong: **8

**6

**6

balance

**0

**0

Low melting point,

Easy flow

Use for copper or brass parts of

Water heater, radiant heating,

Brazing ample clearance tie-in.

JcuP*7Sn

EU: CP**2

6.**7.5

6.**7.5

balance

**0

**0

Low melting point,

Easy flow

Use for copper and copper parts

Of water heater, water fountain,

Fuel gas ware, radiant heating

And cleaners, polishes ect.

JIS

Spec

chemical ingredient%

Temperature)

Cu

Sn

Fe

Ni

Pd

Al

Si

Others

Zn

Coagulation

Liquefication

Welding temperature

BCuZn*2

****1

0.**1.5

-

-

0.5Below

0.*2Below

-

-

Rem

**5

**0

******5

BCuZn*0

****6

-

0.*0Below

-

0.5Below

-

-

-

Rem

**0

**0

******0

BCuZn*5

****3

3.**4.5

0.*0Below

-

0.5Below

-

-

-

Rem

**0

**5

******5

BCuZn*6

****0

-

-

***1

0.5Below

-

0.*5Below

(P)0.*5Below

Rem s

**0

**5

******0

BCuZn*7

****9

-

-

****1

-

-

0.*5Below

(Ag)0.**1.0

Rem

**0

**0

******0

BCuZn*3

****0

1.0Above

0.***1.*5

1.0 More

0.5Below

0.*1Below

0.*5Below

(Mn)1.0Below

Rem

**0

**0

******0