Alloy 58N (ЭИ792)
Designation
Name |
The value |
Designation GOST Cyrillic |
58Н |
Designation GOST Latin |
58H |
Transliteration |
58N |
The chemical elements |
58Ni |
Name |
The value |
Designation GOST Cyrillic |
ЭИ792 |
Designation GOST Latin |
EI792 |
Transliteration |
EhI792 |
The 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 norms |
В30 |
GOST 10994-74 |
Sectional and shaped rolling |
В32 |
GOST 14082-78, TU 14-11-245-88 |
Sheets and stripes |
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 |
The 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/°С |
20 |
112 |
100 |
118 |
A description of the physical symbols
Name |
Description |
a |
The coefficient of linear expansion |