Kr2

For the production of silicon alloys, silicone products, silicon semiconductor, and for spetstseley.

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Metals and alloys	Silicon

Chemical composition

Standard	Fe, %	Si, %	Ca, %	Al, %	Примеси, %
Standard	Fe, %	Si, %	Ca, %	Al, %	Примеси, %
GOST 2169-69	< 1	> 97	< 0.8	< 1.2	< 3

Note: In silicon for the chemical industry, Ti < 0.2 with a corresponding decrease in Si

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Physical characteristics

Temperature, °C	$E\cdot 10^{9}$ , $MPa$	$\alpha\cdot 10^{6}$ , $K^{-1}$	$\varkappa$ , $\frac{W}{m\cdot K}$	$\rho$ , $\frac{kg}{m^3}$
Temperature, °C	$E\cdot 10^{9}$ , $MPa$	$\alpha\cdot 10^{6}$ , $K^{-1}$	$\varkappa$ , $\frac{W}{m\cdot K}$	$\rho$ , $\frac{kg}{m^3}$
20	109	2.33	6	2330

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
	GOST 2169-69		2.4

Casting and technological parameters

melting point, °C	Boiling temperature, °C
melting point, °C	Boiling temperature, °C
1414.85	2680

Standards

Standard	Description
Standard	Description
GOST 2169-69

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Примеси	%	Impurities
Si	%	Silicon
Ca	%	Calcium
Al	%	Aluminium

Description of physical characteristics

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$E\cdot 10^{9}$	$MPa$	Elastic modulus
$\alpha\cdot 10^{6}$	$K^{-1}$	Coefficient of thermal (linear) expansion (range 20°C–T)
$\varkappa$	$\frac{W}{m\cdot K}$	Coefficient of thermal conductivity (the heat capacity of the material)
$\rho$	$\frac{kg}{m^3}$	The density of the material

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
Boiling temperature	°C	The boiling point, boiling point is the temperature at which the liquid under constant pressure boils.