Hi,
my interpretation of the clause 3.6.1 is as follows;
A combination of, QUALIFIED and PREQUALIFIED WPS'S = I interpret this as either qualified WPS+qualified WPS, Qualified+Prequalified or Prequalified+Prequalified.
..may be used without any requalification for the combination.
So it nowhere states that existing qualified combinations can be split into 2 separate WPS's.
Above is my interpretation,
On Fri, Nov 2, 2018 at 10:41 AM Ramesh <rameshkannandevaraj@gmail.com> wrote:
--Hi Nithin,i am unable to find the word " independent PQR's may be combined " in above clausei presume, this clause does not say about PQRs, Only your final WPS ( which may have single supporting PQRs or process or combined PQRs or process)These qualified WPSs can be combined without combination and within limitations of each process ( refer last two para carefully )i understand from response that, suppose if an PQR have with combination process ( Ex.TIG+SMAW) , u are interpreting that preparing Two separate WPS ( one for TIG & one for SMAW) is not allowed as per D1.1. right ?or, Pl explain your interpretation of above 3.6.1 clause.Thanks and Regards
Rameshkannan Devaraj
"What you have learned is a mere handful; What you haven't learned is the size of the world – Avvaiyar"
On Fri, Nov 2, 2018 at 10:30 AM Nithin Joseph <nithindsilva4u@gmail.com> wrote:Dear Mr. Rameshkanna,Note that clause 3.6.1 clearly states independent PQR's may be combined and does not state WPS's can be made from the combination PQR.On Thu, Nov 1, 2018 at 7:54 AM Ramesh <rameshkannandevaraj@gmail.com> wrote:Hi
shakin thobias
1. Please refer AWS D1.1 , Part C for performance qualification requirements.
Range of qualifications - pl refer Table 4.10 & 4.11
2. Combination of WPS is allowed as per 3.6.1 This is applicable for both qualified or prequalified WPS.[ Screen shot from 2015 edition as below ]
Also refer OLD AWS interpretation as below [ 1984 edition]Thanks and Regards
Rameshkannan Devaraj
"What you have learned is a mere handful; What you haven't learned is the size of the world – Avvaiyar"
--On Wed, Oct 31, 2018 at 10:06 AM Nithin Joseph <nithindsilva4u@gmail.com> wrote:In AWS there is no provision of extracting a process. for eg, you are qualifying FCAW+SMAW, you have to use same combination on job too. Writing separate WPS for SMAW & FCAW is not acceptable as per AWSD1.1.On Wed, Oct 24, 2018 at 2:11 PM shakin thobias <shakinthobias@gmail.com> wrote:--Dear expertsI need to qualify welders in Both FCAW and SMAW. can i do both qualification in same PQR. what are the parameters and range of qualification. qualify that welders to max 30 mm thickness range.
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----Regards,
Nithin Joseph Dsilva+971 557645785
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----Regards,
Nithin Joseph Dsilva+971 557645785
https://materials-welding.blogspot.com/
https://www.linkedin.com/groups/122787
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Regards,
Nithin Joseph Dsilva
Nithin Joseph Dsilva
+971 557645785
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