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Alloy Nmc2,5

Designation

Name The value
Designation GOST Cyrillic НМц2,5
Designation GOST Latin HMts2,5
Transliteration NMts25
The chemical elements NiMn2,5

Description

Alloy Nmc2,5 is used: for the production of candles automotive, aviation and tractor engines; of wire used in electrical, instrumentation, vacuum and other industries.

Note

Nickel manganese.

Standards

Name Code Standards
Wire of non-ferrous metals and their alloys В74 GOST 1049-74
Non-ferrous metals, including rare metals, and their alloys В51 GOST 28873-90, GOST 492-2006

Chemical composition

Standard C S P Mn Si Ni Fe Cu As Sb Pb Bi Mg Ni+Co
GOST 492-2006 ≤0.1 ≤0.015 ≤0.01 2.3-3.3 ≤0.3 The rest ≤0.4 ≤0.2 ≤0.03 ≤0.002 ≤0.002 ≤0.002 ≤0.1 The rest
Ni is the basis.
According to GOST 492-2006, the total mass fraction of impurities is ≤ 1.50%. The mass fraction of cobalt is allowed due to the content of nickel in the amount of ≤ 0.50%.

Mechanical characteristics

Section, mm σB, MPa d5, % d
Rolled steel in the delivery state
450-500 - -
900-1000 ≥3 -
Cold-drawn wire (0,05-0,60 mm). In the delivery condition
0.4-5 ≤640 - ≥20
0.4-5 ≤690 - -

Description mechanical marks

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

Physical characteristics

Temperature Е, ГПа r, кг/м3 R, НОм · м
20 210 8900 140

A description of the physical symbols

Name Description
Е The normal elasticity modulus
l Coefficient of thermal conductivity
R UD. the resistivity
С Specific heat

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