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NH9 alloy (Chromel)

Alloy NMC5 Alloy SK Alloy CA Alloy HCM9.5 (Chromel TM) Alloy NXM9 (Chromel KM) Alloy NHC Alloy HC9.5 (Chromel T) Alloy HC9 (Chromel K) Alloy NMtsAK2-2-1 (Alumel) Alloy NMC2.5 Alloy NMC2 Alloy HMC1 Alloy NMMZ 38-2V NKM alloy Alloy NK0.2 Alloy HZ

Designation

Name The value
Designation GOST Cyrillic НХ9
Designation GOST Latin HX9
Transliteration NH9
The chemical elements NiCr9
Name The value
Designation GOST Cyrillic Хромель К
Designation GOST Latin Xpomel K
Transliteration Hromel K
The chemical elements Crомель

Description

Alloy NH9 applies: for production of wire intended for the manufacture of countervailing wires.

Standards

Name Code Standards
Non-ferrous metals, including rare metals, and their alloys В51 GOST 28873-90, GOST 492-2006

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu As Al Sb Pb Bi Co Mg Ni+Co
GOST 492-2006 ≤0.2 ≤0.01 ≤0.003 ≤0.3 8.5-10 ≤0.4 87.129-91.1 ≤0.3 ≤0.25 ≤0.002 ≤0.15 ≤0.002 ≤0.002 ≤0.002 0.4-1.2 ≤0.05 The rest
Ni is the basis.
According to GOST 492-2006, the total mass fraction of impurities is ≤ 1.40%.

Mechanical characteristics

Section, mm σB, MPa d Brinell hardness number, MPa
Wire in the delivery state
600-700 34-45 150-200
1100 ≥3 ≥300

Description mechanical marks

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

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