Re: [MW:10444] P91

 

Preheat

for thickness  less than 13mm-- Min 200 c

for above 13mm   ---min 250c

PWHT

Optimum temp--750-760c

On Sat, Mar 19, 2011 at 2:58 AM, Eng/ Mostafa Kamel Hussein <mkh_200@yahoo.com> wrote:

can any body give me details about preheat and PWHT about P91? SaSa

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