Magnesium Mg80

Designation

Name The value
Designation GOST Cyrillic Мг80
Designation GOST Latin Mg80
Transliteration Mg80
By chemical elements Mg80

Description

Mg80 magnesium is used: for the production of pigs intended for the production of alloys of magnesium thermal processes, desulphurization, as a chemical reagent and for other purposes.

Standards

Name Code Standards
Non-ferrous metals, including rare, and their alloys В51 GOST 804-93

Chemical composition

Standard Mn Si Ni Fe Cu Al Mg Cl
GOST 804-93 ≤0.05 ≤0.05 ≤0.002 ≤0.05 ≤0.02 ≤0.05 ≥99.8 ≤0.005
Mg is the basis.
According to GOST 804-93 the mass fraction of any unspecified impurity should be ≤ 0.050%, the sum of the mass fractions of all impurities should be ≤ 0.20%.

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, % HB, MPa
Magnesium in the state of delivery
≥190 ≥250 8-10 ≥50
- ≥180 15-17 ≥40
- 85-130 3-6 ≥30

Description mechanical marks

Name Description
sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σU Limit short-term strength
d5 Elongation after rupture
HB Brinell hardness number

Physical characteristics

Temperature Е, HPa r, kg/m3 R, Mr. · m
20 45 1740 47

A description of the physical symbols

Name Description
Е The normal elasticity modulus
r Density
l Coefficient of thermal conductivity
R UD. the resistivity