On Fri, 02 Sep 2016 23:05:55 -0400, firstname.lastname@example.org wrote:
What do you mean by "aged dry"? I have a quite a bit of ash that I've
had for over 30 years. It cuts like butter. Well, frozen butter. ;-)
I have 10 or 12 maple 2x10s that I got at the same time but I haven't
done anything with them for a long time.
These were10 foot sheet metal palets that had been sitting in the
hot sun for 3 or 4 months before I got them. They would have been kiln
dried (baked) to jany ctitters before being made into pallets. They
cut fine with a carbide blade - but don't take kindlyto being
punctured by a nail. This is mixed hardwood. I suspect mostly birch,
ash beech, and hard maple but I don't know for sure.
Some woods simply get harder as they age. About 20 years ago I
refinished and re-glued the pieces in the top that the glue has failed
on. Running those boards through the saw to clean off the old glue and
then through the jointer resulted in dull knives almost immediately and
only in that 3/4" location on the blades. This piece was supposedly
about 60 years old at the time.
With pallet wood you sometimes run into "heat treated" wood, a process that
goes beyond "kiln dried" as a means of killing insects, mold, fungus, etc.
I tried working with some heat treated pine that could be had cheaply and it
was just awful... hard and brittle would be a good way to describe it. The
heat treated wood was rough cut on one side and thickness planed on the
other... I think it was intended for crating purposes.
White ash group (includes white, green and some other less common
species) have a tendency to form silicate deposits depending upon local
There are a number of green ash for ornamentals in the yard here that
unfortunately the emerald borers have managed to find...several have
been killed. Sawing dead from them that has been standing for years is
a real treat...sparks simply fly from a saw chain and it dulls a chain
in a heartbeat; about as bad as just digging the bar into the ground...
Maple varies tremendously in species as well; soft maple is quite easy
to work although occasionally will leave a little fuzz after shaping
while sugar maple/birds eye while gorgeous is a real workout...
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