Soldering wire for cooper

Solder Materials
Low lead impurity, Good fluidity, Low generation of solder dross, High mechanical streng
Solder Materials

It accords with RA Grade standard of GB/T3131-2001 Standard; it is widely used in capacitor manufacturing, directly realizing soft soldering connection on the galvanized coating and gold alloy coating on the head face of capacitor, and suitable for braze welding of metal base which is hard to weld, such as nickel plating part, galvanized part, Dumet wire, and copper, etc; and it is of high soldering speed, brightness, nice appearance, and reliable joint quality, etc.


Low lead impurity
Good fluidity
Low generation of solder dross
High mechanical strength
Low aggressive to solder pot material

Alloy
metaling range
Sn63/Pb37
183C
Sn60/Pb40
183-190C
Sn55/Pb45
183-203C
Sn50/Pb50
183-216C
Sn45/Pb55
183-227C
Sn40/Pb60
183-238C
Sn35/Pb65
183-247C
Sn30/Pb70
183-255C
Sn25/Pb75
183-266C
Sn20/Pb80
183-280C

Standard Wire Diameters
x
Diameter (inch)
0.125
0.092
0.062
0.050
0.040
0.031
0.025
0.020

Diameter (mm)

3.18
2.33
1.57
1.27
1.01
0.80
0.63
0.50

Standard Wire Gauge

11
13
16
18
19
21
23
25