Quote:
Originally Posted by J-Mech
They may be hard to machine, but on a valve grinder, it will eat them up. They suck to grind. I don't like stellite valves.
Maybe it's that they are so hard it makes them brittle. On a valve grinder, they act like they are soft. I always thought they were softer..... I stand corrected. I'm a mechanic, not a machinist.  They used to use them on a lot of motors. Not so much anymore. Now about all valves are stainless. |
Yes, hard to the point of being brittle. Until about 5 years ago, you could forget machining stellite easily with carbide tooling. Now there are specialized inserts that will cut them using specific parameters ( surface footage , depth of cut )
It's not easy but somewhat possible now.
Now the it seems the hot ticket on valves is sodium filled stems