Description: Bar SR 99.99 is the type of a silver solder representing a continuous flat profile which has thickness from 0.10 to 10.0 mm.
Normative documents: Bar SR 99.99 is produced according to GHOST 7221-2014.
Chemical content of silver bar:
|
Index of metal, alloy |
Chemical content, % |
||||||||
|
Ag |
Cu |
Fe |
Mn |
Sb |
Pb |
Bi |
Te |
Pd |
|
|
SR 99,99 |
≥99,99 |
≤0,008 |
≤0,004 |
- |
≤0,001 |
≤0,003 |
≤0,002 |
- |
- |
Dimensions of silver bar:
|
Index of metal, alloy |
Thickness, mm |
Width, mm |
Length, mm |
|||
|
Min |
Max |
Min |
Max |
Min |
Max |
|
|
SR 99,99 |
0,10 |
10,0 |
50,0 |
250,0 |
200,0 |
500,0 |
Fusing temperature, density and specific electrical resistance:
|
Index of metal, alloy |
Theoretical density, 1·103 kg/m3 |
Hardness HV МPa (kgf/mm2), not less than |
Fusing temperature, К (°С) |
Specific electrical resistance, 10-6 Ohm·m, not more than |
|
|
Top critical thermal point |
Bottom critical thermal point |
||||
|
SR 99,99 |
10,50 |
550 (55) |
1233,5 |
1233,5 |
0,016 |
Areas of use:
Bar SR 99.99 is used in the electrotechnical industry, to production of fusible inserts, explosive contacts, products of technical appointment, decorative products.