Hi,
All Ok and accordingly noted. How about the shelf life, if the packing is not damaged, do we follow manufacturer's instructions or is there any expiry date for it? What is the general approach here, in absence of anything else?
Regards,
Shashank Vagal
--- On Thu, 17/9/09, claes.gillenius@esab.se <claes.gillenius@esab.se> wrote:
From: claes.gillenius@esab.se <claes.gillenius@esab.se>
Subject: [MW:3240] Re: 3238] Shelf life of Low hydrogen electrodes
To: materials-welding@googlegroups.com
Date: Thursday, 17 September, 2009, 4:11 PM
If the electrodes are packed in air tight packages they can be used right away. If not, redry the electrodes in the way the manufacturer recommends, normally at a temperature around 300 - 350 °C. Air tight packages are for example vacuum packages. If such a package is damaged and the vacuum lost, redy the electrodes. Redrying returns the electrodes to it´s original state. Best regards, Claes Gillenius
Development Engineer, MMA. (Spec. stainless and non Fe-alloys)
Direct tel: +46 (0)31 509315
Mobile +46 (0)707532012
Company ESAB AB
Address Box 8004, 402 77 Gothenburg, Sweden
Lindholmsallén 9
Company reg number 556005-7738
"Bathula Raghuram (Mumbai - PIPING)" <R.Bathula@ticb.com>
Sent by: materials-welding@googlegroups.com 2009-09-17 12:17 | Please respond to
materials-welding@googlegroups.com |
| | To | <materials-welding@googlegroups.com> | | cc |
| | Subject | [MW:3239] RE: 3238] Shelf life of Low hydrogen electrodes |
| Consult the consumable manufacturer, may be shelf life revalidated with additional testing. Code does not specify the shelf life, but the manufacturer does.
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Ravindra T
Sent: Thursday, September 17, 2009 3:28 PM
To: materials-welding@googlegroups.com
Subject: [MW:3238] Shelf life of Low hydrogen electrodes Dear All Our contractor has brought low hydrogen electrodes (E 7018 & 8018) which are manufactured in 2007 for welding station piping in one of our intermediate pump station of our cross country pipeline project. I would like to know whether these electrodes can be used now?. Is there any reference in ASME code regarding the expiry/ shelf life of Electrodes? Please advise me in this regard. Thanking you all in advance Ravindra Senior Project Engineer
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