Quote Originally Posted by martinw View Post
The linear coefficient of thermal expansion for mild steel is 12.6 x 10-6/degree C

For anocast it is 16.9 x 10-6/degreeC


Incidentally granite is 8.5 x 10-6/degreeC.
Martin,

Here's the big selling point: E/G is brilliantly simple to use- can be done in your garage, requires no tools, can be used by virtually anyone.

Try that with mild steel, anocast or granite...