RE: [MW:22929] FCAW Process Filler wire E71T-1C does this come under low hydrogen electrode category?

3 ml/100g is clearly low hydrogen but your client's designer has assumed that you are stick welding. You need to issue a clarification request stating that your welding process is flux-cored arc welding and that you will be using welding consumables which are low hydrogen and requesting confirmation of acceptability. Presumably you tendered the job on FCAW and to change to stick electrodes would have a significant cost impact.

-----Original Message-----
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of S.Mohammed
Sent: 03 March 2015 13:45
To: materials-welding@googlegroups.com
Subject: Re: [MW:22928] FCAW Process Filler wire E71T-1C does this come under low hydrogen electrode category?

Question no -01
In the engineering drawing for welding the anchor chair of atmospheric storage tank in the field, it is specified to "Weld with low hydrogen electrode".
Can we weld with FCAW process using E71T-1C filler wire, ASME Sec IIC-SFA 5.20 for above mentioned application? The EN10204 3.1 certificate for the filler wire shows hydrogen test results performed on the deposited weld metal, a maximum of 3.0 ml/100g.

YES YOU CAN USE.
IF.CLIENT SPEC.HAS.NO RESTRICTION.AS PER API650 NO ISSUES.

Question no -02
Is there any difference between "low hydrogen weld deposit" and "low hydrogen electrode" in the light of ASME Code?

NO DIFFERENCE.
LOW.HYDROGEN.DIPOSITE IS.ACHIEVED BY LOW.HHYDROGEN ELECTRODES.

Note:-

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