Alloy МЛ18 (ВМЛ6)
Designation
Name |
The value |
Designation GOST Cyrillic |
МЛ18 |
Designation GOST Latin |
ML18 |
Transliteration |
ML18 |
The chemical elements |
CuЛ18 |
Name |
The value |
Designation GOST Cyrillic |
ВМЛ6 |
Designation GOST Latin |
BML6 |
Transliteration |
VML6 |
The chemical elements |
ВCuЛ6 |
Description
Alloy МЛ18 used: for the manufacture of various shaped precision castings parts, aerospace casting techniques, sand casting, gravity die casting, investment casting and plaster mold.
Note
Industrial heat resistant magnesium alloy system MD-REE-Zr.
Standards
Name |
Code |
Standards |
Non-ferrous metals, including rare metals, and their alloys |
В51 |
OST 1 90168-75 |
Chemical composition
Standard |
Si |
Ni |
Fe |
Cu |
Al |
Zn |
Zr |
Mg |
Be |
Ag |
Cd |
OST 1 90168-75 |
≤0.03 |
≤0.005 |
≤0.01 |
≤0.03 |
≤0.02 |
7-8 |
0.7-1.1 |
The rest |
≤0.001 |
1-1.6 |
0.4-1 |
Mg is the basis.
According to OST 1 90168-75 the chemical composition is given for the alloy grade ML18 (VML6). Other (not indicated) impurities - not more than 0.12%. The sum of all detectable impurities in the alloy is not more than 0.20%.
Mechanical characteristics
Section, mm |
sT|s0,2, MPa |
σB, MPa |
d |
Separately cast samples according to OST 1 90168-75 |
|
≥240 |
≥330 |
≥5 |
|
≥250 |
≥340 |
≥6 |
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 |
d |
Elongation after rupture |