Chemical ingredient(%)

Temperature

Principal areas of application

AWS 

Ag

Cu

Zn

Sn

Ni

Solidus

Liquidus

Use temp

Bag-18BSn

17-19

44-46

31-35

1.5-2.5

/

770

810

810-880

High melting point ,and braze copper and steel without cadmium

Bag-25B

24-26

40-42

32-36

/

/

700

800

800-890

Good wetness and filling property ,suited for brazing copper,copper alloy and steel with higher melting point

Bag-20

29-31

37-39

30-34

/

/

677

766

760-840

Suited for brazing copper,copper alloy and steel with low melting point and good techniac

Bag-35B

34-36

31-33

31-35

/

/

621

732

730-810

Suited for brazing copper ,copper alloy and steel with low melting point and good technics, the melting point lower than 30silver

Bag-28

39-41

29-31

31-35

1.5-2.5

/

650

710

710-790

It is the fine flow-ability. It ie applicable for ferrite steel and none ferrite steel welding

Bag-4

39-41

31-33

26-30

/

/

677

732

730-810

Mid-level melding range ,good ductility and penetrability economicaland penetrability economical

Bag-36

44-46

26-28

23-27

2.5-3.5

/

645

680

680-760

Used generally for brazing the part required cleanliness face in mechanical-electricaland food industries due to its perfect general features,good ductility and penetrability

Bag-6

49-51

33-35

14-18

/

/

690

775

770-850

Used for brazing these materials under vibration load in electrical and food industries

Bag-24

49-51

19-21

26-30

/

1.5-

660

707

710-790

Suited for brazing stainless steel with improved capability of resistance of crevice corrosion

2.5

Bag-7

55-57

21-23

15-19

4.5-5.5

/

618

652

650-720

Suited for brazing stainless steel in food and other industries with low melting point,high penetrability good ductility and corrosion resistance property