Re: [MW:24587] Combine WPS in one CJP

Hi,

Essential variable clause for this case is..

Clause 3.11.1 says that

 " Groove preparations detailed for prequalified SMAW joints maybe used for prequalified GMAW or FCAW " 

I think that combination is acceptable.

Regards,

Arun

Sent from Yahoo Mail for iPhone

On Tuesday, March 29, 2016, 7:08 AM, Lalu Rajendran <lalucpt@gmail.com> wrote:

Hi,

Yes you can.

AWS D1.1 Section 3.6.1 Combination of WPSs - A combination of qualified and prequalified WPSs may be used without qualification of the combination, provided the limitation of essential variables applicable to each process is observed.

regards,

LALU

On Mon, Mar 28, 2016 at 2:37 AM, vu duc thuan <dthuan117@gmail.com> wrote:

Dear expert,

Contractor have been qualified 02 WPS  for SMAW process and FCAW process independent welding process. The FCAW process is using the for the CJP  of structure part with only FCAW process and then they brought the SMAW process to Weld on the FCAW process Which have been welded, is this possible to use FCAW process and then SMAW process Without qualifying to combine 02 welding process together.

Code apply: AWS D1.1.

Please advise

 

Best Regards,

 

Thuan

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