I99.8

For the production of flat-rolled products, wire technology products used in instrumentation and other industries.

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Precious metals	Iridium, iridium alloys

Chemical composition

Standard	Fe, %	Si, %	Ba, %	Pb, %	Au, %	Pt, %	Ir, %	Примеси, %
Standard	Fe, %	Si, %	Ba, %	Pb, %	Au, %	Pt, %	Ir, %	Примеси, %
GOST 13099-2006	< 0.03	< 0.02	< 0.008	< 0.01	< 0.01	< 0.15	> 99.8	< 0.2

Note: Pt: Pt + Pd + Rh All impurities: Pt + Pd + Rh + Au + Fe + Pb + Si + Ba + Ni + Cu + Al

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Physical characteristics

Temperature, °C	$\rho$ , $\frac{kg}{m^3}$	$R\cdot 10^{-6}$ , $\Omega\cdot m$
Temperature, °C	$\rho$ , $\frac{kg}{m^3}$	$R\cdot 10^{-6}$ , $\Omega\cdot m$
20	22420	550

Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	Treatment
Wire	GOST 13099-2006				800–1200

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
Alloy	GOST 13099-2006		240–280

Casting and technological parameters

melting point, °C
melting point, °C
2454

Standards

Standard	Description
Standard	Description
GOST 13099-2006

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Примеси	%	Impurities
Si	%	Silicon
Ba	%	Barium
Pb	%	Lead
Au	%	Gold
Pt	%	Platinum
Ir	%	Iridium

Description of physical characteristics

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\rho$	$\frac{kg}{m^3}$	The density of the material
$R\cdot 10^{-6}$	$\Omega\cdot m$	Electrical resistivity

Description of mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\sigma _{U}$	$MPa$	Ultimate tensile strength

Description of the casting and technological parameters

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
melting point	°C	The temperature at which solid crystalline body makes the transition to the liquid state and Vice versa