I would strongly recommend NOT USE socket welds in H2S service. The risk of crevice corrosion is to high
Sent from my BlackBerry 10 smartphone.
| From: 'Mostafa Kamel Hussein' via Materials & Welding Sent: Σάββατο, 23 Ιουλίου 2016 - 13:34 To: Materials-welding Reply To: materials-welding@googlegroups.com Subject: [MW:25139] PWHT For H2S Socket Weld |
Dear Sirs
Kindly be informed our specification mandates PWHT on H2S piping classes regardless its material type except on socket weld up to 8mm (wall thickness). my question is what is meant by wall thickness? is it base metal thickness of throat thickness? as you know it'll be differed because thickness of fitting is higher than piping thickness in same schedule.
Kindly clarify the meaning and support us with strong evidence if found.
Regards,
M.Kamel
http://www.linkedin.com/groups/MaterialsWelding-122787?home=&gid=122787&trk=anet_ug_hm
The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
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