[MW:2060] Re: preheat calculation

Hi

Please use following formula to calculate Preheat temp.

Preheat  temperature in Degree celcius = 350 * Square root of (C.E – 0.25 )

Where C.E = CC + CT
CT  = CC * 0.005 * T
T = thickness of plate in mm
CC  = C + Mn/6 + Ni+Cu/15 + Cr+Mo+V/5

Regards

Prem S Nautiyal
Godrej,Plant 9/19,Mumbai

On Mon, 27 Apr 2009 sandy kumar wrote :
>Can anyone please provide me formula to calculate preheat required for any
>material?
>
>Thanks
>Sandy
>
>>

PREM S NAUTIYAL
CELL : 9820313278


--~--~---------~--~----~------------~-------~--~----~
To post to this group, send email to materials-welding@googlegroups.com
To unsubscribe from this group, send email to materials-welding-unsubscribe@googlegroups.com
For more options, visit this group's bolg at http://materials-welding.blogspot.com/
The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
-~----------~----~----~----~------~----~------~--~---