"Terry Keeley" tkee(no wrote in message
...
Have some 0.030" 6Al-4V sheet I'd like to harden for my model boats, came
across this, does it sound right?:

If the material is plate or strip, then the solutionize temperature is
lowered to approximatly 1650F to 1675F. This is than followed by a water
quench. The aging procedure is by artificial means by precipitation
treatment at a temperature in the range of 900F to 1100F and a soak time
at temperature of between 4 to 8 hours (depending on cross sectional
thickness) It is critically important that the furnace hearth and walls be
clean and free from foreign matter such as scale from steel treatment. In
fact, do not use the furnace for process both steel and Ti alloys.

The times and temperatures sound about right, but I know nothing about the
cleanliness issue. If someone doesn't have an answer for you, ask again, and
I'll look it up. I have the ASM book that covers the subject.

--
Ed Huntress