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What weld defect often occurs weeks after welding the joint?

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Question added by Ralph Bateman , Sr Welding Engineer , AF Global Corporation
Date Posted: 2013/10/25
muhammad rizwan ullah
by muhammad rizwan ullah , SHALL GTL , DOOSAN BLACKAT

DUE TO PRO CITY OR  LACK OF FUSION  

Ralph Bateman
by Ralph Bateman , Sr Welding Engineer , AF Global Corporation

The defect I was looking for is referenced as HIC (Hydrogen Induced Cracking)... a sneaky lil defect primarily caused by poor heat management, particularly when not managing the cooling rate properly. Results can be catastrophic!

ardel garcia
by ardel garcia , fitter/welder , amadeus marine LTD.

low amperage or no grinding

first rooted in the joint then weld joint

Anton Bester
by Anton Bester , Mentor Mechanic , Bancroft Global

When you not treed the welding spot with head treetment after it wash weld it will start to cold crac on that spot ofter weeks

Omar Uzcategui
by Omar Uzcategui , Welding and Inspection Team Leader , Petrochemical of Venezuela

Defect often occurs after welding is crack in Carbon Steels Cr-Mo (P3-P4 and P5 Numbers for Asme Code)

ROHITKUMAR RAKHOLIYA ROHIT
by ROHITKUMAR RAKHOLIYA ROHIT , MANAGER , PRODUCTION & PLANING

THE WELD DEFECT OFTENLY OCCURS IS COLD CRACK.

Mohamed Abdel Raheem Abdel Kader
by Mohamed Abdel Raheem Abdel Kader , QC Engineer , Petojet

hydrogen cracks

this problem can solved by using low Hydrogen electrods

Shaheen K M
by Shaheen K M , QHSE Engineer , Shine Star Eng. Steel & Welding LLC

Cold cracks..

IMRAN SHAIKH
by IMRAN SHAIKH , QA/QC Engineer , Fourm Engineering

crack

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