Dear Jai Kumar Seedani,
The Codes we have for design of tubesheet in CodeCalc are ASME VIII-1 Part UHX, TEMA and the British Code PD:5500 2003. There are no provisions for Article 4-9 "Stresses in Perforated Plates" from ASME VIII-2 in any of our software.
_________________________
Scott MayeuxCADWorx & Analysis Solutions
Intergraph Process, Power, & Marine