Magnesium Mg80
Designation
| Name |
The value |
| Designation GOST Cyrillic |
Мг80 |
| Designation GOST Latin |
Mg80 |
| Transliteration |
Mg80 |
| The 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 metals, 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 characteristics
| Section, mm |
sT|s0,2, MPa |
σB, MPa |
d5, % |
Brinell hardness number, 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 |
| Section |
Section |
| sT|s0,2 |
Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σB |
Limit short-term strength |
| d5 |
Elongation after rupture |
Physical characteristics
| Temperature |
Е, ГПа |
r, кг/м3 |
R, НОм · м |
| 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 |
