Solder POS40
Designation
| Name |
The value |
| Designation GOST Cyrillic |
ПОС40 |
| Designation GOST Latin |
POC40 |
| Transliteration |
POS40 |
| The chemical elements |
ПSnPb40 |
Description
Solder POS40 used: for the production of ingots, round wire, round rods filled with flux tubes, powder used for tinning and soldering of electrical equipment, parts of galvanized iron with sealed seams.
Note
Tin-lead solder antimony free.
Standards
| Name |
Code |
Standards |
| Non-ferrous metals, including rare metals, and their alloys |
В51 |
GOST 21930-76, GOST 21931-76, GOST 28873-90, STP М288-82 |
| Norms of calculation and design |
В02 |
OST 107.460091.001-86 |
| Sheets and stripes |
В53 |
TU 48-21-112-90 |
Chemical composition
| Standard |
S |
Ni |
Fe |
Cu |
As |
Al |
Zn |
Sn |
Sb |
Pb |
Bi |
| GOST 21930-76 |
≤0.02 |
≤0.02 |
≤0.02 |
≤0.05 |
≤0.02 |
≤0.002 |
≤0.002 |
39-41 |
≤0.1 |
The rest |
≤0.1 |
Pb is the basis.
According to GOST 21930-76, at the request of the consumer, the mass fraction of arsenic in the solder should not be more than 0.010%.
Mechanical characteristics
| σB, MPa |
d |
kJ/m2, кДж/м2 |
Brinell hardness number, MPa |
| Pig in the state of delivery |
| ≥37.28 |
≥52 |
≥392 |
≥12.5 |
Description mechanical marks
| Name |
Description |
| σB |
Limit short-term strength |
| d |
Elongation after rupture |
| kJ/m2 |
Toughness |
Physical characteristics
| Temperature |
r, кг/м3 |
l, Вт/(м · °С) |
R, НОм · м |
| 20 |
9300 |
4187 |
159 |
A description of the physical symbols
| Name |
Description |
| l |
Coefficient of thermal conductivity |
| С |
Specific heat |
