Alloy Plrd 93-7 (Plrd-7)
Designation
| Name |
The value |
| Designation GOST Cyrillic |
ПлРд 93-7 |
| Designation GOST Latin |
PlPd 93-7 |
| Transliteration |
PlRd 93-7 |
| The chemical elements |
PtHgд 93-7 |
| Name |
The value |
| Designation GOST Cyrillic |
ПлРд-7 |
| Designation GOST Latin |
PlPd-7 |
| Transliteration |
PlRd-7 |
| The chemical elements |
PtHgд-7 |
Description
Alloy Plrd 93−7 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 vessels; mesh woven wire and smooth twill weave, used in chemical industry and scientific purposes.
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, TU 117-1-400-93 |
| Sheets and stripes |
В53 |
GOST 24353-80, GOST 24718-81 |
| Classification, nomenclature and general norms |
В50 |
GOST 6563-75 |
| Metal nets |
В76 |
TU 48-1-112-85 |
Chemical composition
| Standard |
Fe |
Rh |
Pt |
| GOST 13498-79 |
≤0.04 |
6.7-7.3 |
92.7-93.3 |
Pt is the basis.
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 |
| 290-390 |
Description mechanical marks
| Name |
Description |
| σB |
Limit short-term strength |
Physical characteristics
| Temperature |
r, кг/м3 |
| 20 |
20420 |
A description of the physical symbols
| Name |
Description |
| l |
Coefficient of thermal conductivity |