Agreed, P1 qualified can go through all materials as mentioned by QW-423.1 , hence below scenario becomes acceptable as P1,G1 TO P1,G1 and P8,G1 TO P8,G1 qualified welder to P1,G1 TO P8,G1 disimilar, both welders can weld as this scenario will not have omit in backing gas , with same F nos on job and as per QW-423 table.
But still any members can enlight their vision for acceptabnce / non acceptance with references.
Thanks.
Regards,
Mohamed Muneeb Mahaboob
CSWIP 3.2-89247/2
ASNT-NDT-L2-RTFI-RT-UT-MT-PT.
SAP#:70021650 APs:JAPID, QCS & QCI.
(6:59) He has the keys to the realm that lies beyond the reach of human perception; none knows them but He. And He knows what is on the land and in the sea; there is not a leaf which falls that He does not know about and there is not a grain in the darkness of the earth or anything green or dry which has not been recorded in a Clear Book.
Date: 2018-11-24 03:12Subject: Re: Re: [MW:28674] Welder qualificationThis topic seems quite interesting and I see divided opinions, I allow myself to give my opinion and if it is incorrect I hope that someone with more experience will give us more light and knowledge on this important topic.Attached image of a part of a Welder Qualification, this was used for an ASME Audit, in other words it was reviewed by the ASME Authorized Inspector; two points:1.- ASME IX works very differently than D1.1 does.2.- In the column with red box: Range Qualified cross with Metal Base, there is a list of Numbers P (1 THROUGH 15F; 34 AND 41 THROUGH 49), I understand that the welder in this case was qualified for P1 with P1 but that has the ability and qualification to weld all P1 THROUGH P15F steels; P34 AND P41 THROUGH P49 and the combinations between these materials. It should be mentioned that this is suggested to the F-number, qualified position, thicknesses and diameters. in fact in an API course I heard that under ASME IX only three coupons are needed to qualify a welder in all materials, this if you do not take into account: F number, position, thicknesses and diameters. I will thank you infinitely for your contributions.--Greetings George,It would be intresting if we know why it is not possible for this below case? with references, so that we can learn / adopt, your point of view, if it is acceptable.Thanks.
Regards,Mohamed Muneeb MahaboobCSWIP 3.2-89247/2ASNT-NDT-L2-RTFI-RT-UT-MT-PT.SAP#:70021650 APs:JAPID, QCS & QCI.(6:59) He has the keys to the realm that lies beyond the reach of human perception; none knows them but He. And He knows what is on the land and in the sea; there is not a leaf which falls that He does not know about and there is not a grain in the darkness of the earth or anything green or dry which has not been recorded in a Clear Book.
You cannot--Στις Κυρ, 11 Νοε 2018, 04:19 ο χρήστης Surendra <skchordia.bhl@gmail.com> έγραψε:Hello,--I have individual qualified welders per BPVC Section-IX-2015, as per following detail:1. P1,G1 TO P1,G12. P8,G1 TO P8,G1Can I use the same welder for welding of following?1. P1,G1 TO P8,G1Thanking You,SurendraBhilwara, Rajastha(Ind)
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