Alloy Plrd 87-13 (Plrd-13; PR-13)
Designation
| Name |
The value |
| Designation GOST Cyrillic |
ПлРд 87-13 |
| Designation GOST Latin |
PlPd 87-13 |
| Transliteration |
PlRd 87-13 |
| The chemical elements |
PtHgд 87-13 |
| Name |
The value |
| Designation GOST Cyrillic |
ПлРд-13 |
| Designation GOST Latin |
PlPd-13 |
| Transliteration |
PlRd-13 |
| The chemical elements |
PtHgд-13 |
| Name |
The value |
| Designation GOST Cyrillic |
ПР-13 |
| Designation GOST Latin |
PP-13 |
| Transliteration |
PR-13 |
| The chemical elements |
ПHg-13 |
Description
Alloy Plrd 87−13 used: for the manufacture of thermoelectrodes of thermoelectrical transducers.
Note
Platinum-rhodium alloy.
Standards
| Name |
Code |
Standards |
| Wire of non-ferrous metals and their alloys |
В74 |
GOST 10821-2007 |
Chemical composition
| Standard |
Rh |
Pt |
| GOST 10821-2007 |
13 |
87 |
Pt is the basis.
According to GOST 10821-2007 the chemical composition is given for the alloy grade PR-13. The chemical composition indicates the nominal mass fraction of the components. As starting materials, platinum and rhodium are used with a mass fraction of the main component of at least 99.95% in accordance with GOST 31290 and GOST 12342.
Mechanical characteristics
| σB, MPa |
d |
| Wire in the delivery state according to GOST 10821-2007 |
| ≥314 |
- |
| ≥122 |
≥15 |
| ≥44 |
≥12 |
Description mechanical marks
| Name |
Description |
| σB |
Limit short-term strength |
| d |
Elongation after rupture |
Physical characteristics
| Temperature |
r, кг/м3 |
R, НОм · м |
| 20 |
19610 |
200 |
A description of the physical symbols
| Name |
Description |
| l |
Coefficient of thermal conductivity |
| С |
Specific heat |
Technological properties
| Name |
The value |
| Operating temperature |
Composed of a thermoelectric transducer together with the platinum brand PLT operating temperature range is 0 to 1300 °C. maximum temperature for short-term use in 1600 °C. |
