Silver solder PSrОSu 8 (VPr-6)

Description: Solder____ is the two-component alloy consisting of ___% of silver and ___% of copper. Solder ____ is eutectic alloy with a melting temperature___ оС.

Normative documents: Solder is produced according to GHOST 19746-74.

Chemical content of silver solders:

Index of solder

Chemical content, %

Ag

Cu

Zn

Sn

Mn

Sb

P

Cd

Ni

Pb

Impurity no more

Pb

Fe

Bi

The sum of the defined impurity

PSrOSu 8 (VPr-6)

8,0±0,5

-

-

Remains

-

7,5±0,5

-

-

-

-

0,200

0,20

0,015

0,40

Dimensions of solder:

Index of solder

Thickness, mm

Width, mm

Length, mm

Min

Max

Min

Max

Min

Max

PSrOSu 8 (VPr-6)

0,1

5

50

200

100

400

Diameter of wire:

Index of wire

Diameter, mm

Min

Max

PSrOSu 8 (VPr-6)

0,5

6

Fusing temperature, density and specific electrical resistance:

Index of solder

Density, kg/m3

Fusing temperature, К (°С)

Specific electrical resistance,

10-3 Ohm·m

Top critical thermal point

Bottom critical thermal point

PSrOSu 8 (VPr-6)

7400

523 (250)

508 (235)

19,7

Areas of use:

Solder is used when soldering copper, copper and copper-nickel alloys, nickel, covar, a German silver, latuny and бронз, soldering of iron-nickel alloy with the silvered details, soldering was become with copper, nickel, copper and copper-nickel alloys, soldering of copper with the nickelized tungsten, soldering and tinning of jewelry.