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NHM9 alloy (Chromel KM)

Designation

Name The value
Designation GOST Cyrillic НХМ9
Designation GOST Latin HXM9
Transliteration NHM9
The chemical elements NiCrCu9
Name The value
Designation GOST Cyrillic Хромель КМ
Designation GOST Latin Xpomel KM
Transliteration Hromel KM
The chemical elements Crомель CoCu

Description

Alloy NHM9 applies: for production of wire used in 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 Mg Ni+Co
GOST 492-2006 ≤0.2 ≤0.01 ≤0.003 ≤0.3 8.5-10 0.1-0.6 88.129-91.4 ≤0.3 ≤0.25 ≤0.002 ≤0.15 ≤0.002 ≤0.002 ≤0.002 ≤0.05 The rest
Ni is the basis.
According to GOST 492-2006, the total mass fraction of impurities is ≤ 1.40%.

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