47ND-VI (Aeralloy 500)
Alloy with an average value of thermal expansion coefficient.
Alloy with TCLE (9.0−11.0) * 10−6 degrees-1 in the temperature range from -70 to +440 ° C with high permeability and saturation induction of 1.4 T.
It is used for soldering with soft glass grades C93−4. C93−2. C95−2. C94−1. C90−1. C90−2. etc. for connection with ceramics and mica for springs of hermetic contacts.