Re: [MW:22477] Disbonding of clad plate during spinning process

In general UT for clad plates is done based SA 578.

SA 578 allows disbanding as per Level A,B & C, etc...

On Thu, Dec 4, 2014 at 6:20 AM, MATERIAL <khare1963@gmail.com> wrote:

Hi,

Our company spec.(BP) permits acceptance of disbonding upto 1000 mm sq.

Yes the clad is corrosion resistance and service is high pressure hydrocarbon.
On Wednesday, 3 December 2014 13:21:37 UTC+8, sina wrote:

Dear friend

May I ask which code permits dis-bonding in clad? As I guess your clad is corrosion resistance.

On Tue, Dec 2, 2014 at 9:38 AM, MATERIAL <khar...@gmail.com> wrote:

Dear Friends,

 

Noting that every clad mother plate will have some acceptable disbonding,however,spinning/forming of various dish ends can increase it to unacceptable limits.

I would like to ask our gurus about what are the causes of disbonding happening during dish spinning process and how to avoid the same.

 

 

Regards.

 

Ashwani Kumar Khare

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