Dear Mr.Hrushikesh Sangamnerkar,
high heat input also one of the reason for pinhole. control heat input can eliminate this issue.
Regards,
Srinivasan.M
Srinivasan.M
From: Hrushikesh Sangamnerkar <hrushi612@gmail.com>
To: materials-welding@googlegroups.com
Sent: Monday, 25 August 2014 4:03 PM
Subject: Re: [MW:21694] Pinholes in saw welding of Duplex stainless steel
The same is used for weld configuration.
On Aug 25, 2014 2:11 PM, "Shyamal Das" <das.shyamal@gmail.com> wrote:
-- Hi,--it seems included angle needs to be little wider to escape the gas.
Regards,ShyamOn 24 August 2014 10:42, Hrushikesh Sangamnerkar <hrushi612@gmail.com> wrote:
Dear all,--
I have been working with DSS off late and have found during welder qualifications that there is problem of pinholes while carrying out SAW process.
Filler dia - 2.4mm
Material - ER2209
Have also checked with the baking cycle of flux. It is as per our procedure and sufficient baking and holding is done.
Kindly give your concurrence in this matter. Anyone experienced the same problem please help.
Thank you in advance.
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