Hi
Thanks for this wonderful insight,even CS bullets on groove for fitup can cause cracking.
Any suggestions on how-to carry out fit up in such scenario.
Thanks in Advance
On Thu, 13 Mar, 2025, 12:54 HUY HOÀNG, <taotengiang000@gmail.com> wrote:
dear sirs,Cant use 7018 right after ernicrmo-3 finish. You must have butter in between, otherwise it will cause cracking. Thats for sure. We havent even mentioned the heating issue yet.--Vào lúc 13:18:21 UTC+7 ngày Thứ Tư, 8 tháng 6, 2016, Jithesh Premachandran đã viết:Hi Nikdin,After buttering (around 1.5mm thick alloy 625 overlay), machine it and match both ID. Then weld the root and hot pass with GTAW (ERNiCrMo-3) then fill up passes with SMAW process.Dont deposit any carbon steel deposits on the groove. Even you use Carbon steel bullets for fit up will leads to crack of groove weld deposits.
On Tuesday, May 24, 2016 at 1:40:39 PM UTC+4, Himan Nikdin wrote:Dear ExpertsI need a practical guide or sample WPS for welding of cladded (alloy 625) carbon steel pipes with one side access. the size of pipes are minimum 4".Regards,H.Nikdin
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