They state is was C106 half hard so wonder what was supplied the first time. They say they have high turnover but this is their stock sheet.
Is it the hardness that's the issue? I'll try to get full hard in that case
Hi,
Ive been making bike bells from 1.5mm thick 60mm copper discs and normally they ring very loud and for quite a period of time however I just got a new batch of discs and they dont ring and basically make a thud! I ordered the discs from the same laser cutting firm and both times its been...
