Yes there is, please look to results as per herunder schedule:<br><br>Temperature E1 E2 E3<br>200 C 3.4 2.41 2.24<br>300 C 5.19 3.80 3.56 <br>400 C 7.12 5.34 4.88 <br>500 C 9.16 7.00 6.36<br>600 C 11.23 8.67 7.81<br><br>Where : <br>E1 : Expansion in mm\m for 18/8 Stainless steel.<br>E2 : Expansion in mm\m for Low Cr.Mo.( up to 3% Cr)Carbon steel.<br>E3 : Expansion in mm\m for Intermediate Cr.Mo.(5%-9%)Carbon steel.<br><br>You can interpolate to find a mathematical formula<br><br>I hope the above is helpful,<br><br>BYYYY<br><br> <br>