RE: [MW:27345] tube to tube sheet welding

Hi!

Yes Ir is always recommended to have proper uniform preheating to reduce distortion of t sht .hlgher hardness .and cracks

Regards

Hegde p b

 B

Sent from Yahoo Mail on Android

On Mon, 19 Feb 2018 at 12:04, Manoj Prabakaran.M

<manojmuthuraj955@gmail.com> wrote:

Dear sir,

I have one more doubt, we are fabricating CS heat exachanger ref construction code as asme sec viii div i.

Tubesheet thk as 150mm

Tube O.D as 30 X 2.5mm thk.

Wether preheating is required for this joint or Not before t/ts welding?

Kindly give me the solution,

MPK

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