Alloy МЛ18 (ВМЛ6)

Designation

Name	The value
Designation GOST Cyrillic	МЛ18
Designation GOST Latin	ML18
Transliteration	ML18
By chemical elements	CuЛ18

Name	The value
Designation GOST Cyrillic	ВМЛ6
Designation GOST Latin	BML6
Transliteration	VML6
By 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, 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	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 properties

Section, mm	s_T\|s_0,2, MPa	σ_U, MPa	d
Separately cast samples according to OST 1 90168-75
	≥240	≥330	≥5
	≥250	≥340	≥6

Description mechanical marks

Name	Description
s_T\|s_0,2	Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σ_U	Limit short-term strength
d	Elongation after rupture