Re: [MW:11745] Required procedure of Tackers qualification ....

Hi, AWS requires Tack welder's qualification.Please find below the extraction from AWS.Also please refer Table-4.12 for Essential variables for Tack welder's qualification.   4.1.3.2 Tack Welders. A tack welder who passes the test described in Part C or those tests required for welder qualification shall be considered eligible to perform tack welding indefinitely in the positions and with the process for which the tack welder is qualified unless there is some specific reason to question the tack welder's ability (see 4.32.2). 4.18.1.2 Tack Welders. A tack welder shall be qualified by one test plate in each position in which the tack welding is to be performed. 4.19.2 Tack Welders. The tack welder shall make a 1/4 in. [6 mm] maximum size tack weld approximately 2 in. [50 mm] long on the fillet-weld-break specimen as shown in Figure 4.39. 4.19.2.1 Extent of Qualification. A tack welder who passes the fillet weld break test shall be qualified to tack weld all types of joints (except CJP groove welds, welded from one side without backing; e.g., butt joints and T-, Y-, and K-connections) for the process and in the position in which the tack welder is qualified. Tack welds in the foregoing exception shall be performed by welders fully qualified for the process and in the position in which the welding is to be done. 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 Sat, 7/16/11, Suresh <bobsuresh24@gmail.com> wrote: From: Suresh <bobsuresh24@gmail.com> Subject: [MW:11744] Required procedure of Tackers qualification .... To: materials-welding@googlegroups.com Cc: raghurambathula@gmail.com Date: Saturday, July 16, 2011, 12:46 PM Hii Experts ...   Kindly provide the details of procedure of Tackers qualification ....how to qualify ? what is the procedure of it ....?   Thank you for your time -- Thanks  & Best 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/ 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.