The 80-20 Alloy Plrd (Plrd-20)
Designation
| Name |
The value |
| Designation GOST Cyrillic |
ПлРд 80-20 |
| Designation GOST Latin |
PlPd 80-20 |
| Transliteration |
PlRd 80-20 |
| The chemical elements |
PtHgд 80-20 |
| Name |
The value |
| Designation GOST Cyrillic |
ПлРд-20 |
| Designation GOST Latin |
PlPd-20 |
| Transliteration |
PlRd-20 |
| The chemical elements |
PtHgд-20 |
Description
Plrd 80−20 alloy used: for the manufacture of semi-finished products (sheets, tapes, strips, foils, wire, pipes, profiles, forgings) by hot or cold deformation used in instrument and apparatus building; thermocouples; laboratory glassware; hardware; glass melting vessels.
Note
Platinum-rhodium alloy.
Standards
| Name |
Code |
Standards |
| Non-ferrous metals, including rare metals, and their alloys |
В51 |
GOST 13498-79, GOST 13498-2010 |
| Wire of non-ferrous metals and their alloys |
В74 |
GOST 18389-2014 |
| Sheets and stripes |
В53 |
GOST 24353-80 |
| Classification, nomenclature and general norms |
В50 |
GOST 6563-75 |
Chemical composition
| Standard |
Fe |
Rh |
Pt |
| GOST 13498-79 |
≤0.04 |
19.6-20.4 |
79.6-80.4 |
According to GOST 13498-79, GOST 13498-2010, the total content of palladium, iridium, and gold in the alloy should be ≤ 0.15%. The sum of all the standard impurities (palladium, iridium, and gold, as well as silicon, lead, antimony and zinc) should be ≤ 0.19%.
Mechanical characteristics
| σB, MPa |
| GOST 13498-2010 |
| 390-490 |
Description mechanical marks
| Name |
Description |
| σB |
Limit short-term strength |
Physical characteristics
| Temperature |
r, кг/м3 |
| 20 |
18740 |
A description of the physical symbols
| Name |
Description |
| l |
Coefficient of thermal conductivity |
