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Iridium And 99.8

Designation

Name The value
Designation GOST Cyrillic И 99,8
Designation GOST Latin I 99,8
Transliteration I 998
The chemical elements Ir 99,8

Description

Iridium And 99.8 is used: for the manufacture of technical products for industry and research organizations in the form of wire, sheet, crucibles, discs and other products.

Note

Iridium is not soluble in acid and boiling Aqua Regia.

Standards

Name Code Standards
Non-ferrous metals, including rare metals, and their alloys В51 GOST 13099-2006
Sheets and stripes В53 GOST 24718-81

Chemical composition

Standard Si Fe Pb Ba Au Ir
GOST 13099-2006 ≤0.02 ≤0.03 ≤0.01 ≤0.008 ≤0.01 ≥99.8
Ir is the basis.
According to GOST 13099-2006, the total content of platinum, palladium, rhodium and ruthenium should be ≤ 0.150%. The total amount of detectable impurities, including those listed in the table and impurities of platinum, palladium, rhodium, ruthenium, nickel, copper and aluminum ≤ 0.20%.

Mechanical characteristics

Section, mm σB, MPa Brinell hardness number, MPa
Iridium GOST 13099-2006 on delivery
785-1177 240-280

Description mechanical marks

Name Description
Section Section
σB Limit short-term strength

Physical characteristics

Temperature r, кг/м3
20 22420

A description of the physical symbols

Name Description
Е The normal elasticity modulus
l Coefficient of thermal conductivity

Technological properties

Name The value
Pressure treatment the processing pressure is maintained at 1200-1400 °C.

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