Originally Posted by martinw 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...
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