ML12

loaded with details; max operating temperature: 200 ° C -Duration 250 ° C -kratkovremennaya

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Magnesium	Foundry magnesium alloys

Chemical composition

Standard	Fe, %	Si, %	Be, %	Mg, %	Cu, %	Zn, %	Ni, %	Zr, %	Al, %
Standard	Fe, %	Si, %	Be, %	Mg, %	Cu, %	Zn, %	Ni, %	Zr, %	Al, %
GOST 2856-79	< 0.01	< 0.03	< 0.001	93.58–95.4	< 0.03	4–5	< 0.005	0.6–1.1	< 0.02

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Physical characteristics

Temperature, °C	$E\cdot 10^{9}$ , $MPa$	$\alpha\cdot 10^{6}$ , $K^{-1}$	$\varkappa$ , $\frac{W}{m\cdot K}$	$\rho$ , $\frac{kg}{m^3}$	$c\cdot 10^{-3}$ , $\frac{J}{kg\cdot K}$
Temperature, °C	$E\cdot 10^{9}$ , $MPa$	$\alpha\cdot 10^{6}$ , $K^{-1}$	$\varkappa$ , $\frac{W}{m\cdot K}$	$\rho$ , $\frac{kg}{m^3}$	$c\cdot 10^{-3}$ , $\frac{J}{kg\cdot K}$
20	43		133.9	1810	0.9629
100		27.3

Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{P}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	$KCU\cdot 10^{3}$ , $\frac{J}{m^2}$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{P}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	$KCU\cdot 10^{3}$ , $\frac{J}{m^2}$	Treatment
					220–250	150–180	6–7	7–8	40
Casting	GOST 2856-79			in sandy form	200	90	6

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
			600–700

Casting and technological parameters

linear shrinkage, %	the temperature of the casting, °C	the crystallization temperature, °C
linear shrinkage, %	the temperature of the casting, °C	the crystallization temperature, °C
1.3–1.4	730–800	640–550

Analogues

USA
USA
ZK51A

Standards

Standard	Description
Standard	Description
GOST 2856-79

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Be	%	Beryllium
Mg	%	Magnesium
Cu	%	Copper
Zn	%	Zinc
Ni	%	Nickel
Zr	%	Zirconium
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
$c\cdot 10^{-3}$	$\frac{J}{kg\cdot K}$	The specific heat of the material (range 20°C–T)

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)
$\psi$	%	Reduction in cross section on fracture
$KCU\cdot 10^{3}$	$\frac{J}{m^2}$	Impact toughness

Description of the casting and technological parameters

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
linear shrinkage	%	The difference between model dimensions and the model casting
the temperature of the casting	°C	The temperature of the molten polymer is extruded from the heating cylinder into the mold
the crystallization temperature	°C	The temperature at which the free energies of liquid and solid States of the metal is equal to