Alloy

Corresponding

Alloy

Chemical Composition

Melting Rang

Features

Typical Application

P%

Sn%

Cu%

Solidus°C

Liquidus°C

JcuP-1

China: Bcu92P

Japan: TC-310D

7.5-8.5

-

balance

710

780

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: BCu93P

USA: BCuP-2

Japan: TC-310A

6.5-7.5

-

balance

701

800

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: 202

6.1-6.8

-

balance

710

820

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: Bcu88Pag

German: Degussa86

6.5-7.5

6.5-7.5

balance

640

680

Good spread ability

Good caulding ablity

Use for many kinds of copper and

copper alloy

JcuP-5Sn

China: Bcu86SnP

4.8-5.8

7-87

balance

620

670

Low melting point,

Easy flow

Use for the water heater of copper

Or brass, radiant heating, ect.

JcuP-6Sn

Zhong: 208

5-6

5-6

balance

650

800

Low melting point,

Easy flow

Use for copper or brass parts of

Water heater, radiant heating,

Brazing ample clearance tie-in.

JcuP-7Sn

EU: CP302

6.5-7.5

6.5-7.5

balance

640

680

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.