Platinum PL 99,9

Designation

Name The value
Designation GOST Cyrillic Пл 99,9
Designation GOST Latin Pl 99,9
Transliteration Pl 999
By chemical elements Pt 99,9

Description

Platinum PL 99,9 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; and discontinuous sliding contacts; medical accessories; parts of a glass melting apparatus; grids wire woven is smooth and the twill weave, used in chemical industry and scientific purposes.

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, GOST 24353-2014
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 Si Fe Al Sn Sb Pb Au Pt
GOST 13498-2010 ≤0.006 ≤0.01 ≤0.005 ≤0.005 ≤0.005 ≤0.006 ≤0.01 ≥99.9
GOST 13498-79 ≤0.006 ≤0.01 - - - ≤0.006 ≤0.01 ≥99.9
Pt is the basis.
According to GOST 13498-79, the total content of impurities of palladium, iridium and rhodium should be ≤ 0.070%. Total admixtures (the sum of all impurities indicated in the table, as well as impurities of palladium, iridium, rhodium, nickel, aluminum, antimony, zinc, tin and silver) should be ≤ 0.10%.
According to GOST 13498-2010 the total content of impurities of iridium, rhodium and ruthenium should be ≤ 0.080%. Total impurities (the sum of all the impurities indicated in the table, as well as the impurities of iridium, rhodium and ruthenium) should be ≤ 0.10%.

Mechanical properties

σU, MPa
GOST 13498-2010
120-200

Description mechanical marks

Name Description
σU Limit short-term strength

Physical characteristics

Temperature r, kg/m3
20 21450

A description of the physical symbols

Name Description
l Coefficient of thermal conductivity