MA21

srednenagruzhennyh for components operating at temperatures up to 100−125 ° C and cryogenic temperatures where high stiffness and increased compressive strength

Classification

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

Chemical composition

Standard Fe, % Si, % Mg, % Mn, % Cu, % Zn, % Ni, % Al, % Na, % Li, % Cd, % Ce, %
GOST 14957-76 < 0.03 < 0.1 76.5–85.1 < 0.1 < 0.04 1–2 < 0.005 4.3–5.3 < 0.005 7.5–9 4–5 < 0.15

Information on suppliers

Physical characteristics

Temperature, °C E\cdot 10^{9}, MPa \rho, \frac{kg}{m^3}
20 46 1600

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
240 190 18.5 26 70

Brinell hardness number

Rolling Standard Classifiers Value, HBW
0–0

Standards

Standard Description
GOST 14957-76
GOST Р 56031-14

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mg % Magnesium
Mn % Manganese
Cu % Copper
Zn % Zinc
Ni % Nickel
Al % Aluminium
Na % Sodium
Li % Li
Cd % Cadmium
Ce % Cerium

Description of physical characteristics

Parameter Units of measurement Description
E\cdot 10^{9} MPa Elastic modulus
\rho \frac{kg}{m^3} The density of the material

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