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Alloy 52N (ЭИ676; 52N-VI)

Designation

Name The value
Designation GOST Cyrillic 52Н
Designation GOST Latin 52H
Transliteration 52N
The chemical elements 52Ni
Name The value
Designation GOST Cyrillic ЭИ676
Designation GOST Latin EI676
Transliteration EhI676
The chemical elements -
Name The value
Designation GOST Cyrillic 52Н-ВИ
Designation GOST Latin 52H-BI
Transliteration 52N-VI
The chemical elements 52Ni-ВIr

Description

Alloy 52N is used: for the manufacture of preforms, wire and cold-drawn shaped profiles; connections with soft glass grades C90−1, C90−2, С93−2, С94- 1, С95−2 and С93−4.

Note

Alloy with an average value of CTE.
Alloy with a CTE (11,0−11,5)·10-6 deg-1 in the temperature range from -70 to + 550 °C with high permeability and saturation induction of 1.5 T.

Standards

Name Code Standards
Classification, nomenclature and general norms В30 GOST 10994-74
Tapes В34 GOST 14080-78, TU 14-1-2251-77
Steel alloy wire В73 GOST 14081-78, TU 14-1-2005-77, TU 14-1-4602-89
Sectional and shaped rolling В32 GOST 14082-78, TU 14-11-245-88
Bulls. Blanks. Slabs В31 TU 14-1-3904-84, TU 14-1-4624-89

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu Al Ti Co
TU 14-1-4624-89 ≤0.015 ≤0.005 ≤0.006 ≤0.4 ≤0.1 ≤0.05 51.5-52.5 The rest ≤0.02 ≤0.02 ≤0.01 ≤0.05
GOST 10994-74 ≤0.05 ≤0.015 ≤0.015 ≤0.4 ≤0.2 ≤0.2 51.5-52.5 The rest ≤0.2 - - -
Ni is the basis.
According to TU 14-1-4624-89, the chemical composition is given for the 52N-VP alloy. Requirements for the content of cobalt, silicon, aluminum and titanium are optional. The oxygen content in the alloy should not be more than 0.0080% and is controlled in every tenth melting.
According to GOST 10994-74 the chemical composition is given for the alloy grade 52H.

Physical characteristics

Temperature r, кг/м3 a, 10-6 1/°С
20 8200 -
-100 - 107
-80 - 107
-60 - 105
-40 - 105
-20 - 105
100 - 104
200 - 105
300 - 106
400 - 107
500 - 105

A description of the physical symbols

Name Description
r Density
a The coefficient of linear expansion

Technological properties

Name The value
Inflection Point Temperature ≥470 °C

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