MA19

welded structures for parts requiring high tensile strength; max operating temperature: 150 ° C -Duration 200 ° C -kratkovremennaya

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Magnesium	Wrought Magnesium Alloys

Chemical composition

Standard	Fe, %	Si, %	Be, %	Mg, %	Mn, %	Cu, %	Zn, %	Ni, %	Zr, %	Al, %	Cd, %	Nd, %
Standard	Fe, %	Si, %	Be, %	Mg, %	Mn, %	Cu, %	Zn, %	Ni, %	Zr, %	Al, %	Cd, %	Nd, %
GOST 14957-76	< 0.05	< 0.05	< 0.002	91.79–94	< 0.1	< 0.05	5.5–7	< 0.005	0.5–0.9	< 0.05	0.2–1	1.4–2

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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	42		1880	0.061
100		26.2

Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{P}$ , $MPa$	$\epsilon_L$ , %	$KCU\cdot 10^{3}$ , $\frac{J}{m^2}$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{P}$ , $MPa$	$\epsilon_L$ , %	$KCU\cdot 10^{3}$ , $\frac{J}{m^2}$	Treatment
					380–400	330–360	5–8	50

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
			0–0

Standards

Standard	Description
Standard	Description
GOST 14957-76
OST 1 90010-70

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Be	%	Beryllium
Mg	%	Magnesium
Mn	%	Manganese
Cu	%	Copper
Zn	%	Zinc
Ni	%	Nickel
Zr	%	Zirconium
Al	%	Aluminium
Cd	%	Cadmium
Nd	%	Neodymium

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)
$KCU\cdot 10^{3}$	$\frac{J}{m^2}$	Impact toughness