Sunday, February 23, 2014

Re: [MW:20165] Tube Expansion formula

Tube Thinning calculation
                                        Actual % Tube wall Thinning  = [(WTb-WTa)/WTb]  X 100                                          
WTb-Tube Wall Thickness before expanding = (Do-db)/2, Wta=Tube Wall Thickness after expanding=(Dh-da)/2
da=Tube ID after Expansion,db=Tube ID before Expansion,Dh=Diameter of tube Hole,Do=  OD of Tube.
Sl No Tube OD (DO) mm Tube ID (db) mm Tube ID after Expansion(da) mm Hole Size (Dh) mm % WallThinning  Remarks
1 42.54 33.07 33.84 42.71 6.34  
2 42.55 33.08 33.90 42.70 7.07  


On Sat, Feb 22, 2014 at 3:31 PM, Rahul Chaudhari <navyrahul@gmail.com> wrote:
Hi, 

Can somebody tell how to calculate tube expande,,,,,,
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Thanks &  Warm Regards,

Rahul Chaudhari
 

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