You are right , root gap is not a essential verialble for PQR under ASME Sec. IX , but as far as root fusion is concern , you have to take care that you will get proper fusion with this much gap.
Thanks
Hitesh Patel
On Tue, Nov 15, 2011 at 7:46 AM, lukman hakim <lukman_hakim1981@yahoo.com> wrote:
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Dear All, I have problem in joint preparation. According to design drawing & WPS the root gap for welding 48mm carbon steel plate by SMAW process is 3 mm, but actual we have gap more than 10 mm. This welding is for pressure vessel (ASME VIII Div.2).Can we weld this joint with gap more than 10 mm? as per ASME IX for SMAW process root gap is not essential variable. ThanksBest regard,Lukman
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