Products

Silver-Copper-Zinc(Tin) Series

Primary parameter

Leading products: Rod、wire、Preform ring、Strips&foil Etc
Standard specifications :
rod: Diameter of rod Φ0.8-Φ6.0mm, Length of rod 500mm、750mm、1000mm
Wire : diameter of wireΦ0.4-Φ3.0mm
Some of these alloys are aslo available in strip、foil、rings and short rods. Other delivery forms according to customer's request.
The detail specifications and special requirements please contact with our customer service system on line or call our sales center: 0086-579-82371896 82374321
Details

Product Number

GB Code

Chemical Composition(%)

Melting Range(℃)

Brazing Temperature(℃)

Application

Property Characteristic

Ag

Cu

Zn

Sn

Solidus

Liquidus

QJY-18A(Sn)

 

17~19

45~47

32~36

1.5~2.5

780

810

800~900

Applicable for brazing Copper, Copper Alloy, Steel and stainless steel.

High melting point and brazing temperature, High joint strength, low price.

QJY-25A

BAg25CuZn

24~26

39~41

33~37

 

700

800

800~890

Excellent brazing? ?p?r?o?p?e?r?t?i?e?s?, high joint strength, moderate brazing temperature

QJY-25A(Sn)

BAg25CuZnSn

24~26

39~41

32~34

1.5~2.5

680

760

770~843

QGY-30A(Sn)

BAg30CuZnSn

29~31

35~37

31~33

1.5~2.5

650

750

740~810

First choice for brazing incrwasei of refrigerator manufacture, Applicable for brazing Copper alloy and stainless steel parts.

Low melting point, Excellent brazing structure and properties, excellent over-all joint properties.

QGY-34A(Sn)

BAg34CuZnSn

33~35

35~37

25.5~29.5

2.0~3.0

630

730

730~820

QGY-40A(Sn)

BAg40CuZnSn

39~41

29~31

26~30

1.5~2.5

650

700

710~801

QGY-45A

BAg45CuZn

44~46

29~31

23~27

 

665

745

745~816

Moderate brazing temperature, excellent brazing properties, excellent over-all joint properties.

QGY-45A(Sn)

BAg45CuZnSn

44~46

23~27

23~27

2.0~3.0

640

680

685~787

QGY-50A

BAg50CuZn

49~51

33~35

14~18

 

688

774

774~843

QGY-55A(Sn)

BAg55CuZnSn

54~56

20~22

20~24

1.5~2.5

630

660

660~770

Low brazing temperature, excellent brazing properties, Brazing seam color match the stainless steel.

QGY-56A(Sn)

BAg56CuZnSn

55~57

21~23

15~19

4.5~5.5

620

650

650~760

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