Mg90

for the production of alloys, magnesium-process desulphurization as a chemical reagent and other uses.

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Magnesium	Primary magnesium

Chemical composition

Standard	Fe, %	Si, %	Mg, %	Mn, %	Cu, %	Ni, %	Al, %	Cl, %
Standard	Fe, %	Si, %	Mg, %	Mn, %	Cu, %	Ni, %	Al, %	Cl, %
GOST 804-93	< 0.04	< 0.009	< 99.9	< 0.03	< 0.004	< 0.001	< 0.02	< 0.005

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Physical characteristics

Temperature, °C	$E\cdot 10^{9}$ , $MPa$	$\alpha\cdot 10^{6}$ , $K^{-1}$	$\rho$ , $\frac{kg}{m^3}$	$R\cdot 10^{-6}$ , $\Omega\cdot m$
Temperature, °C	$E\cdot 10^{9}$ , $MPa$	$\alpha\cdot 10^{6}$ , $K^{-1}$	$\rho$ , $\frac{kg}{m^3}$	$R\cdot 10^{-6}$ , $\Omega\cdot m$
20	45		1740	0.047
100		26

Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{P}$ , $MPa$	$\epsilon_L$ , %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{P}$ , $MPa$	$\epsilon_L$ , %	Treatment
Alloy				Cast	85–130	21	3–6
Alloy				deformation	250	189	8–10
Alloy				annealing	180		15–17

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
Alloy		Cast	0–0
Alloy		deformation	0–0
Alloy		annealing	0–0

Casting and technological parameters

melting point, °C
melting point, °C
651

Analogues

USA	Germany
USA	Germany
9980	EN-MB10020

Standards

Standard	Description
Standard	Description
GOST 804-93
DSTU 2187-93

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Mg	%	Magnesium
Mn	%	Manganese
Cu	%	Copper
Ni	%	Nickel
Al	%	Aluminium
Cl	%	Chlorine

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)
$\rho$	$\frac{kg}{m^3}$	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
$\sigma_{P}$	$MPa$	Proportionality limit
$\epsilon_L$	%	Elongation at break (longitudinal)

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