Alloy 58N (ЭИ792)

Designation

Name The value
Designation GOST Cyrillic 58Н
Designation GOST Latin 58H
Transliteration 58N
By chemical elements 58Ni
Name The value
Designation GOST Cyrillic ЭИ792
Designation GOST Latin EI792
Transliteration EhI792
By chemical elements -

Description

Alloy 58N used: for the manufacture of a line measures of length, embedded in coordinate measuring machines high accuracy.

Note

Alloy with a CTE (11,2−11,8)·10-6 deg-1 in the temperature range from plus 20 to plus 100 °C and high dimensional stability.

Standards

Name Code Standards
Classification, nomenclature and General rules В30 GOST 10994-74
Bars and shapes В32 GOST 14082-78, TU 14-11-245-88
Sheets and strips В33 TU 14-1-949-74

Chemical composition

Standard C S P Mn Si Ni Fe Cu
GOST 10994-74 ≤0.03 ≤0.015 ≤0.015 ≤0.5 ≤0.3 57.5-59.5 Rest ≤0.3
Ni is the basis.
According to GOST 10994-74 the chemical composition is given for the alloy 58H-VI (EI792-VI).

Physical characteristics

Temperature a, 10-6 1/°C
20 112
100 118

A description of the physical symbols

Name Description
a The coefficient of linear expansion