Sir you are write.
For GTAW can not weld due to essential variables deletion of fas.
Regards
Anand gupta
Iocl baroda
-- On Sun, 25 Feb 2018 at 8:38 AM, Amit Singh<kshtriya.amit@gmail.com> wrote:Removal of Gas Backing is essential variable that's why a SS GTAW qualified welder is not qualified for CS GTAW joints, however reverse can be true for GTAW procedure onlyRegards,Amit Singh--On 24-Feb-2018 18:30, "'Prashant Panchal' via Materials & Welding" <materials-welding@googlegroups.com> wrote:Please check gas backing is essential variable for welder qualification.--On Sat, Feb 24, 2018 at 6:23 PM, sankar rao<sankarkorukonda@gmail.com> wrote:If welder qualified with SS--On 24 Feb 2018 14:50, "'Prashant Panchal' via Materials & Welding" <materials-welding@ googlegroups.com> wrote:Since he may have used backing gas for SS gtaw he will not be qualified for carbon steel as we do not use backing gas for cs material.Alternatively u will have to use backing gas for cs as well--
On Sat, Feb 24, 2018 at 3:33 PM, PK M<pkmqaqc@gmail.com> wrote:Dear Sir,--If a welder is qualified with SS (Stainless Steel) GTAW, He can weld CS Carbon steel GTAW? Need code Referance...Thanks.PKM
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