"Jaques d'Altrades" wrote in message =
...
The message
from (Robert E A Harvey) contains these =
words:
=20
Hi Rajinder
No, if you can't sharpen them then they won't wear very quickly.=20
You've been the victim of low-cost manufacture. The best solution =
is
to use an angle grinder, with care not to overheat and draw the =
temper
of the tines. An engineering shop might help
=20
Wrong way round, rRobert - you temper steel by making it softer.
=20
--=20
Rusty Hinge
horrid=B7squeak&zetnet=B7co=B7uk
http://www.users.zetnet.co.uk/hi-fi/tqt.htm

Tempering reduces hardness but increases ductility and toughness.

Rajinder