Relay: Omron G6K series

[diyralf]

Does anyone know about signal relay? The data sheet of Omron G6K says the following line:

Contact mechanism: Bifurcated crossbar Ag (Au-alloy contact).

Can it be that the core material is still made of nickel or similar materials?

https://omronfs.omron.com/en_US/ecb/products/pdf/en-g6k.pdf