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Alloy Plru 90-10 (Plru-10)

Designation

Name The value
Designation GOST Cyrillic ПлРу 90-10
Designation GOST Latin PlPu 90-10
Transliteration PlRu 90-10
The chemical elements PtHgу 90-10
Name The value
Designation GOST Cyrillic ПлРу-10
Designation GOST Latin PlPu-10
Transliteration PlRu-10
The chemical elements PtHgу-10

Description

The 90−10 alloy plru is 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; discontinuous and sliding contacts.

Note

Platinum-ruthenium 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, GOST 24718-81
Classification, nomenclature and general norms В50 GOST 6563-75

Chemical composition

Standard Fe Ru Pt
GOST 13498-79 ≤0.04 9.5-10.5 89.5-90.5
Pt is the basis.
According to GOST 13498-79, GOST 13498-2010, the total content of palladium, iridium, rhodium and gold in the alloy should be ≤ 0.20%. The sum of all normalized impurities should be ≤ 0.24%.

Mechanical characteristics

σB, MPa
GOST 13498-2010
590-690

Description mechanical marks

Name Description
σB Limit short-term strength

Physical characteristics

Temperature r, кг/м3
20 19950

A description of the physical symbols

Name Description
l Coefficient of thermal conductivity

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