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I didnot find that in google. Please share me data if possible

Dear All I want to know about detailed technical data about self opening prssure of stack damper that used in boiler .

I agree with you.

That means we cannot use old plate that have small pitting, that thickness of plate with pitting is in the range of telorance??

Purchase

Yes, that means all of imperfection must be removed, same mirror؟؟؟ If we have some pitting on the surface that is not sharb and depth of them is so much down, what we do??

In Sa20 we cannot find detail data about this subject. I found En 10163-2 which shows detail about that. But We dont know its possible to use EN standard or not? Becuse our contractor dont accepet EN standard. So kindly me to know your Idea about this issue Thanks

Dear All I am looking forward to codes or standard specifications which guide me about acceptanse allowense of pressure vessle plates surface condition such as sa516 gr 70. ( for example pitting with diffrente depth on the surface). So kindly let me to know about your knowledge and experience.

Do API 6a permited to make LWN flange with bar??

Yes all dimention are also based on asme b16.5.

Hi Dear I am Hadi and have a quation as follow We need some LWN flange Astm A 105. We making this flang from forged round bar. And machenical test were down and result in passed astm a 105 machenical requierment, composition test, too. So pls let me to know is have any way to marking them with...