This standard specifies the requirements relating to:
Nickel base alloy NI-B41203 (NiCr7Si5B3)
Filler metal for brazing
Amorphous foil
for aerospace applications.
BS EN 3921:2001 history
2001BS EN 3921:2001 Aerospace series - Nickel base alloy NI-B41203 (NiCr7Si5B3) - Filler metal for brazing - Amorphous foil