Re: [MW:7545] Stub-in or Stub-on

Hi, I will give you simple reason. Stub in or stub on(Set in or Set on) welding depends on the design requirement based on weld strength. Stub in welding strength is as good as butt welding.Sometimes stub welding is difficult in actual conditions.(Incomplete penetration,electrode handling problems etc.,) Stub on welding strength will also be good with the root gap of 2-3 mm with the throat thickness 8-12mm. Thanks & Regards,   (Karthik) Karthikeyan.S QA/QC Manager Getabec Energy Co.,Ltd. 379,Moo6,Soi8,Nikhomphatana, Rayong-21180, Thailand. Phone: 0066 38 897035-8 (Off) Fax: 0066 38 897034 Hand Phone: 0066 892512282 --- On Thu, 10/14/10, vasu k <vasuk2577@gmail.com> wrote: From: vasu k <vasuk2577@gmail.com> Subject: [MW:7542] Stub-in or Stub-on To: materials-welding@googlegroups.com Date: Thursday, October 14, 2010, 12:55 AM Dear All, Thank you for clarifying reg baking.... Im working in refinery,,,I would like to know whether Stub-in or Stub-on is to be used for fittings ( 3/4th inch coupling or weldolet or sockolet ) to the run pipe? Is it the same for branch piping? Does it depend on the class? Nothing is mentioned in the spec or drawing..one contractor is putting all fittings as Stub-on ,,the other contractor is doing Stub-in.. pls guide me. Regards Vasu -- To post to this group, send email to materials-welding@googlegroups.com To unsubscribe from this group, send email to materials-welding-unsubscribe@googlegroups.com For more options, visit this group's bolg at http://materials-welding.blogspot.com/ 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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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.