Dear Mr. Suresh, You have to check the hardness of parent material. I think you have not to maintained interpass temperature within 100 to 200 degree C. Thanks & Regads, Kishore Barbudhe
--- On Thu, 23/8/12, suresh <sureshndb@gmail.com> wrote:
From: suresh <sureshndb@gmail.com>
Subject: [MW:15117] cause of crack
To: materials-welding@googlegroups.com
Date: Thursday, 23 August, 2012, 5:30 PM
Dear Members, we found some weld cracks on parent metal (adjacent to weld bead) after weeding and depth of the crack is max 20 mm from the edge of the plate. i would like to know the type of crack and causes of the crack. please see the attached pictures.
Material:- IS 2062 Gr B to Itself Thickness:- 25mm to 25mm Joint Type:- Closed Corner Grove Type:-Single side bevel Electrodes:- E 7018 Preheating:- 80 to 100 Deg Cent Electrodes Baking:- As per manufacturer recommendations. waiting for your valuable reply.
Thanks and Regards, Suresh,
-- 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/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.
|
--
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/ 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.
No comments:
Post a Comment