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Alloy NMG

Designation

Name The value
Designation GOST Cyrillic НМг
Designation GOST Latin HMg
Transliteration NMg
The chemical elements NiMg

Description

NMG alloy used: for the manufacture of pipes; tape thickness of 0.05−2.0 mm, used in electronics and other industries; the cathodes.

Standards

Name Code Standards
Pipes from non-ferrous metals and alloys В64 GOST 13548-77
Non-ferrous metals, including rare metals, and their alloys В51 GOST 19241-80, GOST 28873-90
Tapes В54 GOST 2170-73

Chemical composition

Standard C S P Mn Si Ni Fe Cu As Zn Sn Sb Bi Mg Cd
GOST 19241-80 ≤0.05 ≤0.005 ≤0.001 ≤0.03 ≤0.02 The rest ≤0.07 ≤0.05 ≤0.001 ≤0.005 ≤0.001 ≤0.001 ≤0.001 0.02-0.07 ≤0.001
Ni is the basis.
According to GOST 19241-80 the sum of the mass fractions of nickel and cobalt is ≥ 99.60%. In the alloy of vacuum smelting, the mass fraction of zinc should be ≤ 0.0040%.

Mechanical characteristics

σB, MPa d5, % d10
Tape supplied according to GOST 2170-73 (samples)
≥390 ≥35 ≥32
≥440 ≥12 ≥10
≥540 ≥3 ≥2

Description mechanical marks

Name Description
σB Limit short-term strength
d5 Elongation after rupture
d10 Elongation after rupture

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