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
By chemical elements PtHgд 93-7
Name The value
Designation GOST Cyrillic ПлРд-7
Designation GOST Latin PlPd-7
Transliteration PlRd-7
By 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, and their alloys В51 GOST 13498-79, GOST 13498-2010
Wire from nonferrous metals and their alloys В74 GOST 18389-2014, TU 117-1-400-93
Sheets and strips В53 GOST 24353-80, GOST 24718-81
Classification, nomenclature and General rules В50 GOST 6563-75
Mesh metal 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 properties

σU, MPa
GOST 13498-2010
290-390

Description mechanical marks

Name Description
σU Limit short-term strength

Physical characteristics

Temperature r, kg/m3
20 20420

A description of the physical symbols

Name Description
l Coefficient of thermal conductivity