Alloy 42NA-VI (ЭП333)

Designation

Name The value
Designation GOST Cyrillic 42НА-ВИ
Designation GOST Latin 42HA-BI
Transliteration 42NA-VI
By chemical elements 42NiAl-ВIr
Name The value
Designation GOST Cyrillic ЭП333
Designation GOST Latin EP333
Transliteration EhP333
By chemical elements -

Description

Alloy 42NA-VI is appliedin vacuum technology.

Note

Alloy with a CTE (4,5−5,5)·10-6 deg-1 in the temperature range from -70 to + 340 °C.

Standards

Name Code Standards
Classification, nomenclature and General rules В30 GOST 10994-74
Bars and shapes В32 GOST 14082-78, TU 14-1-604-73, TU 14-11-245-88
Blanks. Of the workpiece. Slabs В31 TU 14-1-3904-84

Chemical composition

Standard C S P Mn Si Ni Fe Cu
GOST 10994-74 ≤0.03 ≤0.01 ≤0.006 ≤0.05 ≤0.15 41.5-42.5 Rest ≤0.1
Fe is the basis.
According to GOST 10994-74 for the alloy grade 42HA-VI the mass fraction of vanadium, molybdenum, chromium, aluminum should not be more than 0.1% of each.