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Silver-Copper-Zinc(Tin) Series
Primary parameter
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
|
Product Number |
GB Code |
Chemical Composition（%） |
Melting Range（℃） |
Brazing Temperature（℃） |
Application |
Property Characteristic |
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|
Ag |
Cu |
Zn |
Sn |
Solidus |
Liquidus |
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|
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 properties, high joint strength, moderate brazing temperature |
|
|
QJY-25A(Sn) |
BAg25CuZnSn |
24～26 |
39～41 |
32～34 |
1.5～2.5 |
680 |
760 |
770～843 |
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|
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 |
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|
QGY-40A(Sn) |
BAg40CuZnSn |
39～41 |
29～31 |
26～30 |
1.5～2.5 |
650 |
700 |
710～801 |
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|
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 |
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|
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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