Alloy Plrd 95-5 (Plrd-5; Plrd 950-50)

Designation

Name The value
Designation GOST Cyrillic ПлРд 95-5
Designation GOST Latin PlPd 95-5
Transliteration PlRd 95-5
By chemical elements PtHgд 95-5
Name The value
Designation GOST Cyrillic ПлРд-5
Designation GOST Latin PlPd-5
Transliteration PlRd-5
By chemical elements PtHgд-5
Name The value
Designation GOST Cyrillic ПлРд 950-50
Designation GOST Latin PlPd 950-50
Transliteration PlRd 950-50
By chemical elements PtHgд 950-50

Description

Plrd 95−5 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 vessels; jewellery for personal adornment (necklaces, narrow and wide bracelets, original hair accessories, filigree earrings, brooches, pendants, wedding rings, rings, chains).

Note

Platinum-rhodium alloy.

Standards

Name Code Standards
Non-ferrous metals, including rare, and their alloys В51 GOST 13498-79, GOST 30649-99, GOST Р 51152-98, GOST 13498-2010
Wire from nonferrous metals and their alloys В74 GOST 18389-2014
Sheets and strips В53 GOST 24353-80
Classification, nomenclature and General rules В50 GOST 6563-75

Chemical composition

Standard Si Fe Pb Au Rh Pt
GOST 30649-99 ≤0.009 ≤0.04 ≤0.015 ≤0.05 Rest 95-95.5
GOST 13498-79 - ≤0.04 - - 4.7-5.3 94.7-95.3
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%.
According to GOST 30649-99, the chemical composition is given for the jewelry alloy UplRd-5 (YuplRd 950-50). The sum of the normalized impurities is ≤ 0.110%.

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 20700

A description of the physical symbols

Name Description
l Coefficient of thermal conductivity

Technological properties

Name The value
Pressure treatment The alloy is suitable for all types of cold treatment.
Casting Ogranichenno alloy suitable for casting.