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Alloy NH9,5 (Chromel T)

Designation

Name The value
Designation GOST Cyrillic НХ9,5
Designation GOST Latin HX9,5
Transliteration NH95
The chemical elements NiCr9,5
Name The value
Designation GOST Cyrillic Хромель Т
Designation GOST Latin Xpomel T
Transliteration Hromel T
The chemical elements Crомель Te

Description

Alloy NH9,5 is used: for the production of semi-finished products (rods and wire), intended for the manufacture of thermocouples.

Standards

Name Code Standards
Non-ferrous metals, including rare metals, and their alloys В51 GOST 28873-90, GOST 492-2006
Steel alloy wire В73 TU 14-4-1300-84
Wire of non-ferrous metals and their alloys В74 TU 48-21-172-72, TU 48-21-686-80, TU 48-21-733-83, TU 48-21-746-83, TU 48-21-877-89
Bars В55 TU 48-21-63-72

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 9-10 ≤0.4 87.129-90.4 ≤0.3 ≤0.25 ≤0.002 ≤0.15 ≤0.002 ≤0.002 ≤0.002 0.6-1.2 ≤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 d5, % Brinell hardness number, MPa
Bars in the state of delivery
600-700 - 150-200
1000-1100 ≥3.5 ≥300

Description mechanical marks

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

Physical characteristics

Temperature r, кг/м3 R, НОм · м a, 10-6 1/°С
20 8710 650 128

A description of the physical symbols

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

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