MA19

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

Classification

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, %
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

Information on suppliers

Physical characteristics

Temperature, °C $$E\cdot 10^{9}$$, $$MPa$$ $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ $$\rho$$, $$\frac{kg}{m^3}$$ $$R\cdot 10^{-6}$$, $$\Omega\cdot m$$
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
380–400 330–360 5–8 50

Brinell hardness number

Rolling Standard Classifiers Value, HBW
0–0

Standards

Standard Description
GOST 14957-76
OST 1 90010-70

Description of chemical elements

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
$$E\cdot 10^{9}$$ $$MPa$$ 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
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\sigma_{P}$$ $$MPa$$ Proportionality limit
$$\epsilon_L$$ % Elongation at break (longitudinal)
$$KCU\cdot 10^{3}$$ $$\frac{J}{m^2}$$ Impact toughness