Silver-Based Filler Metals

Model

Essential Components(%)

Melting

Temperature(℃)

Features and Application

Ag

Cu

P

Zn

BCu93P(HL201 BCuP-2)

   -

Remainder

6.6-7.4

710-820

Have very goog fluidity under high soldering temperatuie,and mainly using for soldering copper and copper alloy parts without impact load in various industries such as electromechanical industry,instrument and refrigeration.

BCu91PAg(HL209 BCuP-6)

1.8-2.2

Remainder

6.8-7.2

643-788

Combine performances of BCu93P and BCU89PAg,have good fluidity under high soldering temperatur,and suitable for soldering copper and copper alloy.

BCu89PAg(HL205 BCuP-3)

4.8-5.2

Remainder

5.8-6.2

645-815

Good strength,plasticity and conductivity of soldering joint,and suitable for soldering copper and copper alloy.

BCu80PAg(HL204 BCuP-5)

14.5-15.5

Remainder

4.8-5.2

645-800

Suitable for soldering parts with high requirements on joint conductivity,plasticity anf strength,place on ioints in the form of prefabricating ring,and is widely used for soldering pipe joint of heat exchanger.

BAg25CuP

24.0-26.0

Remainder

4.8-5.3

690-775

Low melting point and good fluidity ,have strong caulking capacity,its tenacity and conductivity are the best in silver/phosphor/copper solder,and suitable for soldering electric joint with high conductivty requirement.

BAg10CuZn (HL301)

9.0-11.0

52.0-54.0

35.0-39.0

815-850

Belong to low silver solver,price is economic,soldering temperature is high,and tenacity of soldering joint is bad.Mainly using for copper,copper alloy,stainless steel,etc.with low soldering requirement.

BAg25CuZn (HL302)

24.0-26.0

39.0-41.0

33.0-37.0

700-790

Soldering temperature is high,but have good moistening function and clearance filling capacity,and suitable for soldering copper,copper alloy,steel,hard alloy,etc.

BAg45CuZn (HL303)

44.0-46.0

29.0-31.0

23.0-27.0

665-745

Low melting point,normally using for work piece that has low soldering seam surface roughness and high strength and can bear vibration load,and application range is very wide.

BAg50CuZn (HL304)

49.0-51.0

33.0-35.0

14.0-18.0

690-775

Have good overflow performance and capacity,soldering joint has high strength and good plasticity,and suitable for soldering copper,copper alloy,steel,stainless steel,etc.

BAg50Cu

49.5-50.5

Remainder

-

779-870

Without volatile element,and suitable for protective atmosphere or vacuum soldering of electronic part.it is widely used in motor industry due to its good conductivity.