You may be right about these being electroplated:) so here are some others made of brass.

Im not sure I agree about brass being bendable in ones fingers though :)

These are extruded brass so should do the job purrfick

https://www.norfolkmarine.co.uk/flush-hinge-brass-2-x-3-4

£5.41 each

Flush Hinge Brass 2" x 3/4"

Extruded Brass with Brass pin.

2" x 3/4" (50.4mm x 19mm)

snap
https://www.isaaclord.co.uk/shop/cabinet...ss-flush-hinge/